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==Discovery and species== === Initial finds === [[File:Lost holotype teeth of Carcharodontosaurus saharicus.png|thumb|left|250x250px|Lost original teeth of ''C. saharicus'' (Fig. 1-2), the [[lectotype]] being at the top (Fig. 1)]] In 1924, two teeth of ''Carcharodontosaurus'' were unearthed from wall cuts in different [[Qanat|foggaras]] near [[Timimoun]], [[French Algeria]]. These sediments came from the [[Cretaceous]]-aged<ref name=":14">{{Cite journal |last1=Benyoucef |first1=Madani |last2=PĂ©rez-GarcĂa |first2=AdĂĄn |last3=Bendella |first3=Mohamed |last4=Ortega |first4=Francisco |last5=Vullo |first5=Romain |last6=Bouchemla |first6=Imad |last7=FerrĂ© |first7=Bruno |date=2022 |title=The 'mid'-Cretaceous (Lower Cenomanian) Continental Vertebrates of Gara Samani, Algeria. Sedimentological Framework and Palaeodiversity |journal=Frontiers in Earth Science |volume=10 |page=927059 |doi=10.3389/feart.2022.927059 |bibcode=2022FrEaS..10.7059B |doi-access=free }}</ref> [[Continental intercalaire|Continental intercalaire Formation]].<ref name=":3">{{Cite journal |last1=DepĂ©ret |first1=Charles |last2=Savornin |first2=Justin |date=1927 |title=La faune de reptiles et de poisons albiens de Timimoun (Sahara algĂ©rien) |journal=Bulletin de la SociĂ©tĂ© GĂ©ologique de France |volume=27 |pages=257â265 |url=https://patrimoine.sorbonne-universite.fr/viewer/2708/?offset=#page=293&viewer=picture&o=&n=0&q=}}</ref> The fossils were taken to the governor of Timimoun, Captain BurtĂ©, who gave them to French geologist [[Charles DepĂ©ret]] later that year. In 1925, DepĂ©ret and his colleague [[Justin Savornin]] [[Species description|described]] the teeth as coming of a new species of [[Theropoda|theropod]] dinosaur, ''[[Megalosaurus]] saharicus''. These were the first fossils of theropods to be described from the region. The [[specific name]] ''saharicus'' refers to the [[Sahara|Sahara Desert]] where the teeth had been found.<ref>{{Cite journal |last1=DepĂ©ret |first1=Charles |last2=Savornin |first2=Justin |date=1925 |title=Sur la dĂ©couverte d'une faune de vertĂ©brĂ©s albiens Ă Timimoun (Sahara occidental) |url=https://gallica.bnf.fr/ark:/12148/bpt6k3134w/f1108.item.r=saharicus |journal=Comptes Rendus de l'AcadĂ©mie des Sciences |volume=181 |pages=1108â1111}}</ref> The genus ''Megalosaurus'' was a [[wastebasket taxon]], with many new species referred to it without justification, including ''M. saharicus''.<ref>{{Cite journal |last1=Benson |first1=Roger B. J. |last2=Barrett |first2=Paul M. |last3=Powell |first3=H. Philip |last4=Norman |first4=David B. |date=2008 |title=The taxonomic status of ''Megalosaurus bucklandii'' (Dinosauria, Theropoda) from the Middle Jurassic of Oxfordshire, UK |journal=Palaeontology |volume=51 |issue=2 |pages=419â424 |doi=10.1111/j.1475-4983.2008.00751.x |bibcode=2008Palgy..51..419B |s2cid=83324840 |doi-access=free }}</ref> It was later considered to be a species of ''[[Dryptosaurus]]'' in 1927,<ref name=":3" /> though this is unjustified.<ref name=":4">{{Cite book|last=von Huene|first=Friedrich|year=1956|title=Palaeontologie und Phylogenie der Niederen Tetrapoden|publisher=VEB Gustav Fischer Verlang|volume=1|place=[[Jena]]|pages=716|oclc=489883421}}</ref><ref name=":5">{{Cite journal |last1=Sereno |first1=Paul C. |last2=Dutheil |first2=Didier B. |last3=Iarochene |first3=M. |last4=Larsson |first4=Hans C. E. |last5=Lyon |first5=Gabrielle H. |last6=Magwene |first6=Paul M. |last7=Sidor |first7=Christian A. |last8=Varricchio |first8=David J. |last9=Wilson |first9=Jeffrey A. |year=1996 |title=Predatory Dinosaurs from the Sahara and Late Cretaceous Faunal Differentiation |journal=Science |volume=272 |issue=5264 |pages=986â991 |doi=10.1126/science.272.5264.986 |pmid=8662584 |bibcode=1996Sci...272..986S |s2cid=39658297 |url=http://doc.rero.ch/record/13893/files/PAL_E831.pdf |archive-date=December 4, 2024 |access-date=March 20, 2024 |archive-url=https://web.archive.org/web/20241204204501/https://doc.rero.ch/record/13893/files/PAL_E831.pdf |url-status=live }}</ref> By accident, another species of ''Megalosaurus, M. africanus'', was named by [[Germany|German]] paleontologist [[Friedrich von Huene]] based on the teeth.<ref name=":4" /> It is therefore considered a [[Synonym (taxonomy)|junior synonym]] of ''M. saharicus''.<ref name="Mortimer 2023 Carnosauria"/> Both syntypic teeth of ''M. saharicus'' have since been lost, possibly being kept in a collection in Algeria, [[Paris]], or [[Lyon]], and lack distinguishing characteristics from other [[Carcharodontosauridae|carcharodontosaurids]].<ref name=":6">{{Cite journal |last1=Brusatte |first1=Stephen L. |last2=Sereno |first2=Paul C. |date=December 12, 2007 |title=A new species of ''Carcharodontosaurus'' (Dinosauria: Theropoda) from the Cenomanian of Niger and a revision of the genus |journal=Journal of Vertebrate Paleontology |volume=27 |issue=4 |pages=902â916 |doi=10.1671/0272-4634(2007)27[902:ANSOCD]2.0.CO;2 |s2cid=86202969 }}</ref> In 1960, French paleontologist [[Albert-FĂ©lix de Lapparent]] reported the discovery of more teeth and several caudal vertebrae from sites in Algeria belonging to ''Carcharodontosaurus'',<ref name=":2">{{Cite journal |last=de Lapparent |first=Albert |date=1960 |title=Les dinosauriens du "Continental intercalaire" du Sahara central. |url=https://naturalhistory.si.edu/sites/default/files/media/translated_publications/Lapparent_60.pdf |journal=Memoirs of the Geological Society of France |volume=88A |pages=1â57}}</ref> though some of these fossils might belong to other genera.<ref name="Mortimer 2023 Carnosauria"/> Later authors mentioned finds of teeth and isolated fossils from other provinces of Algeria.<ref>{{Cite journal|author1=Gabani, A. |author2=Mammeri, C. |author3=Adaci, M. |author4=Bensalah, M. |author5=Mahboubi, M. |date=2016 |title=Le CrĂ©tacĂ© continental Ă vertĂ©brĂ©s de la bordure sud du Plateau de Tinhert: considĂ©rations stratigraphiques et bilan palĂ©ontologique |journal=MĂ©moire du Service GĂ©ologique de l'AlgĂ©rie |volume=19 |pages=39â61}}</ref><ref name=":14" /> [[File:Tameryraptor_(holotype,_SNSB-BSPG_1922_X_46).png|thumb|238x238px|Prior April 1944 photo of the partial skeleton described by [[Ernst Stromer]] in 1931, now the holotype of ''[[Tameryraptor]]'']] However, a partial skeleton later referred to ''C. saharicus'' was first found in marls near [[Bahariya Oasis|Ain Gedid]], Egypt, in early April 1914 by [[Austria-Hungary|Austro-Hungarian]] paleontologist [[Richard Markgraf]]. Marls from this region derive from the [[Cenomanian]]-aged [[Bahariya Formation]], one of many Cretaceous-aged sites of [[North Africa]].<ref name=":8">{{Cite journal |last1=Stromer |first1=Ernst |date=1931 |title=Ergebnisse der Forschungsreisen Prof. E. Stromers in den WĂŒsten Ăgyptens. II. Wirbeltier-Reste der BaharĂźjestufe (unterstes Cenoman). 10. Ein Skelett-Rest von ''Carcharodontosaurus'' nov. gen. |trans-title=Results of Prof. E. Stromer's research trips in the deserts of Egypt. II. Vertebrate remains from the BaharĂźje stage (lower Cenomanian). 10. A skeletal remains of ''Carcharodontosaurus'' nov. gen. |journal=Abhandlungen der Bayerischen Akademie der Wissenschaften Mathematisch-naturwissenschaftliche Abteilung |series=Neue Folge |language=de |volume=9 |pages=1â31|url=https://www.dinochecker.com/papers/Stromers-Egypt-expedition_Carcharodontosaurus_Stromer_1931.pdf|translator-last1=Carrano|translator-first1=Matthew}}</ref><ref name=":5" />{{sfn|Ibrahim|Sereno|Varricchio|Martill|2020|p=162}} In this formation, Markgraf did extensive collecting of dinosaur skeletons for his employer, German paleontologist [[Ernst Stromer]] of the [[PalĂ€ontologisches Museum MĂŒnchen]] (Bavarian State Collection of Paleontology).<ref name=":8"/> Due to [[World War I|political tensions]] between the [[German Empire]] and then [[History of Egypt under the British|British-owned Egypt]], this skeleton, since numbered as SNSB-BSPG 1922 X 46, took years to get to Germany. It was not until 1922 that they were transported overseas to [[Munich]] where they were described by Stromer in 1931.{{sfn|Nothdurft|Smith|2002|p=107â108}} Stromer recognized that the skeleton's teeth would match the characteristic dentition of those described by DepĂ©ret and Savornin, which led to Stromer conserving the species name ''saharicus.'' However, he found it necessary to erect a new genus for this species, ''Carcharodontosaurus'', for their similarities, in sharpness and serrations, to the teeth of the [[great white shark]] (''Carcharodon carcharias'').<ref name=":8" /> In his 1931 and 1934 descriptions, Stromer designates the smaller of the two teeth originally described by DepĂ©ret and Savornin as the [[type specimen]] (name-bearing specimen) of the [[taxon]].<ref name=":8" />{{sfn|Stromer|1934|p=62}} Thus, this tooth, although lost, must be considered as the [[lectotype]] of ''C. saharicus''.<ref name=Tameryraptor/> [[World War II]] would break out in 1939, leading SNSB-BSPG 1922 X 46 and other material from Bahariya to be destroyed during a [[Bombing of Munich in World War II|British bombing raid on Munich]] during the night of April 24/25, 1944.<ref>{{Cite journal |last1=Smith |first1=Joshua B. |last2=Lamanna |first2=Matthew C. |last3=Mayr |first3=Helmut |last4=Lacovara |first4=Kenneth J. |date=2006 |title=New information regarding the holotype of Spinosaurus aegyptiacus Stromer, 1915 |journal=Journal of Paleontology |volume=80 |issue=2 |pages=400â406 |doi=10.1666/0022-3360(2006)080[0400:NIRTHO]2.0.CO;2 |s2cid=130989487 }}</ref>{{sfn|Nothdurft|Smith|2002|p=117}} An [[endocast]] was made and survived the war, being the only remaining relic of the specimen.{{sfn|Ibrahim|Sereno|Varricchio|Martill|2020|p=162, 164}} However in 2025, this specimen was redescribed as the holotype of a distinct carcharodontosaurid genus, ''[[Tameryraptor]]''.<ref name=Tameryraptor/> === Resurgent discoveries, ''C. iguidensis'', and confusion with spinosaurids === Few discoveries of ''Carcharodontosaurus'' attributed material were made until 1995 when [[United States|American]] paleontologist [[Paul Sereno]] found an incomplete skull during an expedition embarked on by the [[University of Chicago]]. This skull (SGM-Din 1) was found in the Cenomanian-aged rocks of the [[Kem Kem Group|Lower Douira Formation, Kem Kem Beds]], in [[Errachidia Province|Errachidia]], southeastern Morocco. The specimen was taken to the University of Chicago and was first described in 1996 by Sereno and colleagues in ''[[Science (journal)|Science]]''.<ref name=":5"/> In 2007, SGM-Din 1 was officially designated as the [[neotype]] of ''C. saharicus'' due to the loss of other specimens and the similar age and geographic location to previously noted material.<ref name=":6"/> The taxonomy of ''Carcharodontosaurus'' was discussed by Chiarenza and Cau (2016),<ref name="ChiarenzaandCau2016">{{Cite journal |last1=Chiarenza |first1=Alfio Alessandro |last2=Cau |first2=Andrea |date=February 29, 2016 |title=A large abelisaurid (Dinosauria, Theropoda) from Morocco and comments on the Cenomanian theropods from North Africa |journal=PeerJ |volume=4 |pages=e1754 |doi=10.7717/peerj.1754 |pmc=4782726 |pmid=26966675 |doi-access=free }}</ref> who suggested that the neotype of ''C. saharicus'' was similar but distinct from the skeleton described by Stromer in the morphology of the maxillary interdental plates. However, paleontologist [[Mickey Mortimer]] put forward that the suggested difference between the two specimens was actually due to damage to the neotype.<ref name="Mortimer 2023 Carnosauria">{{Cite web |last=Mortimer |first=Mickey |date=2023 |title=Carnosauria |url=https://theropoddatabase.com/Carnosauria.htm#Carcharodontosaurussaharicus |url-status=live |archive-url=https://web.archive.org/web/20230528042437/https://theropoddatabase.com/Carnosauria.htm |archive-date=May 28, 2023 |access-date=June 6, 2023 |website=The Theropod Database}}</ref> Because the neotype designation was in accordance with the [[ICZN]] article 75.3 and 75.4, the describers of ''Tameryraptor'' agreed that SGM-Din 1 is a valid neotype.<ref name=Tameryraptor>{{cite journal |last1=Kellermann |first1=Maximilian |last2=Cuesta |first2=Elena |last3=Rauhut |first3=Oliver W. M. |title=Re-evaluation of the Bahariya Formation carcharodontosaurid (Dinosauria: Theropoda) and its implications for allosauroid phylogeny |journal=PLOS ONE |date=January 14, 2025 |volume=20 |issue=1 |pages=e0311096 |doi=10.1371/journal.pone.0311096|doi-access=free |pmid=39808629 |pmc=11731741 |bibcode=2025PLoSO..2011096K }}</ref> Several other fossils of ''C. saharicus'' have been unearthed from the Kem Kem Beds, such as [[Mandible|dentary]] fragments, a [[Cervical vertebrae|cervical vertebra]], and many teeth.<ref name=":0">{{Cite journal |last=Russell |first=Dale |date=1996 |title=Isolated Dinosaur bones from the Middle Cretaceous of the Tafilalt, Morocco |url=https://sciencepress.mnhn.fr/fr/periodiques/bulletin-du-museum-national-d-histoire-naturelle-4eme-serie-section-c-sciences-de-la-terre-paleontologie-geologie-mineralogie/18/2-3/os-isoles-de-dinosaures-du-cretace-moyen-du-tafilalt-maroc |journal=Bulletin du MusĂ©um national d'Histoire naturelle, 4Ăšme sĂ©rie â section C â Sciences de la Terre, PalĂ©ontologie, GĂ©ologie, MinĂ©ralogie |language=fr |volume=18 |issue=2â3}}</ref><ref>{{cite book |last1=Gheerbrant |first1=Emmanuel |last2=Cappetta |first2=Henri |last3=Broin |first3=F. de Lapparent de |last4=Rage |first4=Jean Claude |last5=Tabuce |first5=Rodolphe |title=MĂ©moires de la sociĂ©tĂ© gĂ©ologique de France |date=2017 |publisher=SociĂ©tĂ© GĂ©ologique de France |isbn=978-2-85363-099-3 |pages=485â525 |chapter-url=https://mnhn.hal.science/mnhn-02264868/ |language=fr |chapter=Les faunes de vertĂ©brĂ©s marins et terrestres du PalĂ©ogĂšne du Bassin d'Ouarzazate, Maroc }}</ref>{{sfn|Ibrahim|Sereno|Varricchio|Martill|2020|p=167}} Sereno et al. also referred a multitude of [[cervical vertebrae]] described as the [[Spinosauridae|spinosaurids]] ''[[Sigilmassasaurus]]'' and "''Spinosaurus'' B" to ''C. saharicus'' reasoning that stout cervicals would be needed to carry the skulls of carcharodontosaurids.<ref name=":6" /><ref name=":5" /> Later research proved otherwise, with the vertebrae being placed in ''[[Spinosaurus aegyptiacus]]'' by Ibrahim et al. (2020).{{sfn|Ibrahim|Sereno|Varricchio|Martill|2020|p=169}} French paleontologist [[RenĂ© Lavocat]] was the first to note the possible presence of ''Carcharodontosaurus'' in Morocco as early as 1954.<ref>{{Cite journal |last=Lavocat |first=Rene |date=1954 |title=Sur les dinosauriens du Continental Intercalaire des Kem-Kem de la Daoura |journal=Comptes Rendus 19th International Geological Congress |volume=1952 |pages=65â68}}</ref> In 2007, a novel species of ''Carcharodontosaurus, C. iguidensis,'' was dubbed by paleontologists [[Stephen L. Brusatte|Steve Brusatte]] and Paul Sereno. Fossils of ''C. iguidensis'' had been uncovered during an expedition to the [[Echkar Formation]] of Iguidi, Niger, a partial [[maxilla]] (MNN IGU2) being designated the holotype. The species name ''iguidensis'' is after Iguidi, where the fossils were unearthed. Several other remains such as a braincase, a lacrimal, a dentary, a cervical vertebra, and a collection of teeth were referred to ''C. iguidensis'' based on size and supposed similarities to other ''Carcharodontosaurus'' bones.<ref name=":6"/> Chiarenza and Cau (2016) identified the referred material of ''C. iguidensis'' as belonging to ''Sigilmassasaurus'' (later referred to ''Spinosaurus'' sp.)<ref>{{Cite journal |last1=Sereno |first1=Paul C. |last2=Myhrvold |first2=Nathan |last3=Henderson |first3=Donald M. |last4=Fish |first4=Frank E. |last5=Vidal |first5=Daniel |last6=Baumgart |first6=Stephanie L. |last7=Keillor |first7=Tyler M. |last8=Formoso |first8=Kiersten K. |last9=Conroy |first9=Lauren L. |date=November 30, 2022 |editor-last=Zhu |editor-first=Min |editor2-last=Rutz |editor2-first=Christian |editor3-last=Zhu |editor3-first=Min |editor4-last=Holtz |editor4-first=Thomas R. |editor5-last=Hone |editor5-first=David |title=''Spinosaurus'' is not an aquatic dinosaur |journal=eLife |volume=11 |pages=e80092 |doi=10.7554/eLife.80092 |pmc=9711522 |pmid=36448670 |doi-access=free }}</ref> and a non-[[Carcharodontosaurinae|carcharodontosaurine]], and therefore chose to limit ''C. iguidensis'' to the holotype pending future research.<ref name="ChiarenzaandCau2016" /> Another carcharodontosaurid from the Kem Kem Beds, ''[[Sauroniops|Sauroniops pachytholus]]'', was dubbed in 2012 based on a single [[Frontal lobe|frontal]],<ref name=":10">{{Cite journal |last1=Cau |first1=Andrea |last2=Dalla Vecchia |first2=Fabio M. |last3=Fabbri |first3=Matteo |date=March 1, 2013 |title=A thick-skulled theropod (Dinosauria, Saurischia) from the Upper Cretaceous of Morocco with implications for carcharodontosaurid cranial evolution |journal=Cretaceous Research |volume=40 |pages=251â260 |doi=10.1016/j.cretres.2012.09.002 |bibcode=2013CrRes..40..251C }}</ref> and has been proposed to be synonymous with ''C. saharicus''.{{sfn|Ibrahim|Sereno|Varricchio|Martill|2020|p=171}} This proposed synonymy has been disputed by others.<ref>{{Cite journal |last1=Candeiro |first1=Carlos Roberto dos Anjos |last2=Brusatte |first2=Stephen Louis |last3=Vidal |first3=Luciano |last4=Pereira |first4=Paulo Victor Luiz Gomes da Costa |date=July 26, 2018 |title=Paleobiogeographic evolution and distribution of Carcharodontosauridae (Dinosauria, Theropoda) during the middle Cretaceous of North Africa |journal=PapĂ©is Avulsos de Zoologia |volume=58 |pages=e20185829 |doi=10.11606/1807-0205/2018.58.29 |s2cid=53353652 |hdl=20.500.11820/c4ca0a5c-4f8e-4136-8355-8bd32d6ea544 |hdl-access=free }}</ref><ref name="ChiarenzaandCau2016" /><ref name=":1">{{Cite journal |last1=Paterna |first1=Alessandro |last2=Cau |first2=Andrea |date=October 11, 2022 |title=New giant theropod material from the Kem Kem Compound Assemblage (Morocco) with implications on the diversity of the mid-Cretaceous carcharodontosaurids from North Africa |journal=Historical Biology |volume=35 |issue=11 |pages=2036â2044 |doi=10.1080/08912963.2022.2131406 |s2cid=252856791 }}</ref><ref name="Cau&Paterna25" /> The South American genus ''[[Giganotosaurus]]'' was synonymized with ''Carcharodontosaurus'' by Figueiredo (1998)<ref>{{Cite news |last=Figueiredo |date=1998 |title=Os dinossĂĄurios carnĂvoros: A sua descrição e modo de vida |pages=1â4 |work=Centro Portugues de Geo-historia e Prehistoria}}</ref> and [[Gregory S. Paul|Paul]] (2010),<ref name="G.S.Paul2016">{{Cite book |last=Paul |first=Gregory S. |url=http://worldcat.org/oclc/985402380 |title=The Princeton Field Guide to Dinosaurs |publisher=Princeton University Press |year=2016 |isbn=978-1-78684-190-2 |pages=103â104 |oclc=985402380 |author-link=Gregory S. Paul}}</ref> but no authors have since followed this assessment.<ref name=":17" /><ref name=":6" /> ==== Other referred specimens ==== {{location map+|Africa|relief=yes|width=300|float=|caption=Fossil localities of ''Carcharodontosaurus'' Legend: [[File:Steel pog.svg|8px]] ''C. saharicus'' [[File:Red pog.svg|8px]] ''C. iguidensis'' [[File:Orange_pog.svg|8px]] Possible specimens|places={{location map~ | Africa| label =Continental Interclaire Formation | position = none | lat=27.0333| long=1.0833| mark= Steel pog.svg}} {{location map~ | Africa| label =Kem Kem Beds | position = none | lat=31.5317| long=-4.6656| mark= Steel pog.svg}} {{location map~ | Africa| label =Douiret Formation | position = none | lat=32.691| long= 10.261| mark= Steel pog.svg}} {{location map~ | Africa| label =Continental Interclaire Formation (type locality) | position = none | lat=29.25| long= 0.25| mark= Steel pog.svg}} {{location map~ | Africa| label =Continental Interclaire Formation | position = none | lat=28.369| long= 9.381| mark= Steel pog.svg}} {{location map~ | Africa| label =Gara Samani Formation | position = none | lat=32.7022| long= -0.0067| mark= Steel pog.svg}} {{location map~ | Africa| label = Elrhaz Formation | position = none | lat=16.1292| long=10.222| mark= Orange_pog.svg}} {{location map~ | Africa| label = Echkar Formation| position = none | lat=17.9333| long= 5.6167| mark= Red pog.svg}}|alt=Map of sites preserving Carcharodontosaurus.}} * Lapparent (1951, 1960) described several ''Carcharodontosaurus'' teeth from the Continental intercalaire Formation of [[Tataouine Governorate|Guermessa, Tunisia]].<ref name=":2" /><ref name=":16">{{cite journal|last1=Buffetaut|first1=Ăric|last2=Ouaja|first2=Mohamed|title=A new specimen of ''Spinosaurus'' (Dinosauria, Theropoda) from the Lower Cretaceous of Tunisia, with remarks on the evolutionary history of the Spinosauridae|journal=Bulletin de la SociĂ©tĂ© gĂ©ologique de France|year=2002|volume=173|issue=5|pages=415â421|doi=10.2113/173.5.415|s2cid=53519187|url=https://doc.rero.ch/record/14728/files/PAL_E1854.pdf}}</ref> * A [[postorbital bone]] and several postcranial remains assigned to ''Carcharodontosaurus'' were found in the [[Elrhaz Formation]] of northern Niger. Taquet (1976) noted that the postorbital was similar to that of ''Acrocanthosaurus,'' a relative of ''Carcharodontosaurus'',{{sfn|Taquet|1976|p=53}} while the postcranial fossils could belong to other theropods.<ref name="Mortimer 2023 Carnosauria"/><ref name="Tameryraptor" /> * Two braincase fragments, 137 teeth, two caudal vertebrae, and a manual phalanx from the Echkar Formation were referred to as ''Carcharodontosaurus'' by Lapparent (1960).<ref name=":2" /> A pedal phalanx had also been described as ''Carcharodontosaurus'' but it likely is from a spinosaurid instead.<ref>{{Cite journal |last1=Ibrahim |first1=Nizar |last2=Sereno |first2=Paul C. |last3=Dal Sasso |first3=Cristiano |last4=Maganuco |first4=Simone |last5=Fabbri |first5=Matteo |last6=Martill |first6=David M. |last7=Zouhri |first7=Samir |last8=Myhrvold |first8=Nathan |last9=Iurino |first9=Dawid A. |date=September 26, 2014 |title=Semiaquatic adaptations in a giant predatory dinosaur |journal=Science |volume=345 |issue=6204 |pages=1613â1616 |doi=10.1126/science.1258750 |pmid=25213375 |bibcode=2014Sci...345.1613I |s2cid=34421257 |doi-access=free }}</ref> * Many vertebrae, including two associated dorsals, were found in the [[Early Cretaceous]] strata of the [[Irhazer Shale|Irhazer Group]] of [[Agadez Region|Agadez]], Niger. Lapparent mentioned these fossils as ''C. saharicus'' in 1960,<ref name=":2" /> though they may belong to other theropod genera.<ref name="Mortimer 2023 Carnosauria"/> * Caudal vertebrae from the Tefidet and teeth from Akarazeras sites of the Continental intercalaire Formation of Agadez, Niger were recorded by Lapparent (1960)<ref name=":2" /> and Taquet (1976) respectively.{{sfn|Taquet|1976|p=53}} The vertebrae could be from other theropods.<ref name="Mortimer 2023 Carnosauria"/> * From an unknown locale in the Continental intercalaire of the Sahara Desert, Lapparent (1960) documented eight vertebrae, a humerus, and a manual phalanx as coming from ''C. saharicus.''<ref name=":2" /> These elements could be from other theropods.<ref name="Mortimer 2023 Carnosauria"/> * Teeth and a caudal vertebra from the [[Chenini Member|Chenini Formation]] of southern [[Tunisia]] have been referred to ''Carcharodontosaurus''.<ref name="SchlĂŒter Schwarzhans 1978">{{cite journal |last1=SchlĂŒter |first1=T |last2=Schwarzhans |first2=W |date=1978 |title=Eine Bonebed-LagerstĂ€tte aus dem Wealden SĂŒd Tunesiens (Umgebung Ksar Krerachfa) |journal=Berliner Geowiss. Abhandlungen A |volume=8 |pages=53â65 }}</ref> However, the caudal vertebra is now labeled Carcharodontosauridae indet.<ref name="Fanti Cau Martinelli Contessi 2014">{{cite journal |last1=Fanti |first1=Federico |last2=Cau |first2=Andrea |last3=Martinelli |first3=Agnese |last4=Contessi |first4=Michela |title=Integrating palaeoecology and morphology in theropod diversity estimation: A case from the Aptian-Albian of Tunisia |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=September 2014 |volume=410 |pages=39â57 |doi=10.1016/j.palaeo.2014.05.033 |bibcode=2014PPP...410...39F }}</ref> * In 2015, a large [[neural arch]] of a [[Thoracic vertebrae|dorsal vertebra]] from the Kem Kem Beds was informally described as belonging to a new genus and species of [[megaraptora]]n dubbed "Osteoporosia gigantea". This specimen is owned by the head of a Polish theme park chain who described it as belonging to a {{Convert|15|m|ft}} long carnosaur similar to ''[[Mapusaurus]]'' and ''Carcharodontosaurus.''<ref>{{Cite web |last=Singer |date=2015 |title=JuraPark na tropie nowych dinozaurow z Maroka. |url=https://jurapark.pl/jurapark-na-tropie-nowych-dinozaurow-z-maroka/ |url-status=live |archive-url=https://web.archive.org/web/20151206224352/https://jurapark.pl/jurapark-na-tropie-nowych-dinozaurow-z-maroka/ |archive-date=December 6, 2015 |access-date=June 27, 2023 |website=Jurapark}}</ref> However, it was much smaller than proposed and may belong to ''C. saharicus'' or ''Sauroniops'' based on its carcharodontosaurid traits and origin.<ref>{{Cite book |last1=Molina-PĂ©rez |first1=RubĂ©n |title=Dinosaur Facts and Figures: The Theropods and Other Dinosauriformes |last2=Larramendi |first2=Asier |last3=Connolly |first3=David |last4=Cruz |first4=Gonzalo Ăngel RamĂrez |date=2019 |publisher=Princeton University Press |isbn=978-0-691-19059-4 }}{{pn|date=October 2024}}</ref> ==== Previously assigned specimens ==== * A maxillary tooth recovered from the [[Villar del Arzobispo Formation]] of [[Spain]] was referred to ''Carcharodontosaurus'' in 1966.<ref>{{cite journal|language=es|first1=M.|last1=Crusafont-PairĂł|first2=R.|last2=Adrover|year=1966|title=El primer representante de la clase mamĂferos hallado en el Mesozoico de España|journal=Teruel|volume=35|pages=139â143}}</ref> However, it lacks the traits of carcharodontosaurid teeth and instead is more similar to that of other [[Allosauroidea|allosauroids]].<ref>{{Cite journal |last1=Kuhne |first1=W. G. |last2=Crusafont-Pairo |first2=M. |date=1968 |title=MamĂferos del Wealdiense de Uña, cerca de Cuenca |url=https://www.raco.cat/index.php/ActaGeologica/article/download/74602/97493 |journal=Acta GeolĂłgica HispĂĄnica |volume=3 |issue=5 |pages=133â134}}</ref><ref>{{Cite journal |last1=GascĂł |first1=Francisco |last2=Cobos |first2=Alberto |last3=Royo-Torres |first3=Rafael |last4=Mampel |first4=Luis |last5=AlcalĂĄ |first5=Luis |date=June 1, 2012 |title=Theropod teeth diversity from the Villar del Arzobispo Formation (TithonianâBerriasian) at Riodeva (Teruel, Spain) |journal=Palaeobiodiversity and Palaeoenvironments |volume=92 |issue=2 |pages=273â285 |doi=10.1007/s12549-012-0079-3 |bibcode=2012PdPe...92..273G |s2cid=129930988 }}</ref> * Bond and Bromley (1970) described teeth deriving from the [[Gokwe Formation]] of [[Zimbabwe]] as being similar to ''Carcharodontosaurus'', with Mickey Mortimer assigning them to the genus tentatively.<ref>{{Cite journal |last1=Bond |first1=Geoffrey |last2=Bromley |first2=K. |date=December 1970 |title=Sediments with the remains of dinosaurs near Gokwe, Rhodesia |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |volume=8 |issue=4 |pages=313â327 |bibcode=1970PPP.....8..313B |doi=10.1016/0031-0182(70)90104-5 |s2cid=128716797 }}</ref> However, later studies have found them to be indeterminate.<ref>{{Cite journal|author1=Munyikwa, D.|author2=Sampson, S. D.|author3=Rogers, R. R.|author4=Forster, C. A. |author5=Curry, K. A. |author6=Curtice, B. D. |date=1998 |title=Vertebrate palaeontology and geology of the Gokwe Formation, Zimbabwe |journal=Journal of African Earth Sciences |volume=27 |issue=1 |pages=142}}</ref> * Teeth from the [[AlcĂąntara Formation|Alcantara Formation]] of [[Brazil]] were placed in ''Carcharodontosaurus'' in 2002,<ref>{{Cite journal |last1=Medeiros |first1=Manuel |last2=Schultz |first2=Cesar |date=2002 |title=A fauna dinossauriana da 'Laje do Coringa', Cretaceo medio de Nordeste do Brasil |id={{BHL page|57292482}} |journal=Arquivos do Museo Nacional, Rio de Janeiro |volume=60 |issue=3 |pages=155â162 }}</ref> but this has been disputed based on its geographic origin.<ref name="Mortimer 2023 Carnosauria"/> * Partial specimens from [[Wadi Milk Formation]] were originally assigned to ''Carcharodontosaurus'', but were now considered to be indeterminate carcharodontosaurids, some of which are similar to the genus.<ref name="Mortimer 2023 Carnosauria"/> * Fossils from the [[Campanian]] [[Quseir Formation]] of western Egypt have been tentatively assigned to ''Spinosaurus'' and ''Carcharodontosaurus'',<ref name=Churcher1999>{{cite book |last1=Churcher |first1=C. S. |chapter=A note on the Late Cretaceous vertebrate fauna of the Dakhleh Oasis |pages=55â68 |editor1-last=Churcher |editor1-first=C. S. |editor2-last=Mills |editor2-first=Anthony J. |title=Reports from the Survey of the Dakhleh Oasis, Western Desert of Egypt, 1977-1987 |date=1999 |publisher=Oxbow Books |isbn=978-1-900188-49-4 }}</ref> but these specimens were never described in detail and thus classified as [[Theropoda]] indet.<ref>{{cite book|last1=Augustin|first1=F.J.|last2=Hartung|first2=J.|last3=Kampouridis|first3=P.|editor1=Hamimi, Z.|editor2=Khozyem, H.|editor3=Adatte, T.|editor4=Nader, Fadi H.|editor5=Oboh-Ikuenobe, F.|editor6=Zobba, Mohamed K.|editor7=Atfy, Haytham El|year=2023|chapter=Dinosaur Faunas of EgyptâThe Terrestrial Late Cretaceous Vertebrate Record|title=The Phanerozoic Geology and Natural Resources of Egypt|pages=253â284|series=Advances in Science, Technology & Innovation|publisher=Springer, Cham|doi=10.1007/978-3-030-95637-0_9|isbn=978-3-030-95636-3}}</ref>
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