Editing Repenomamus (section)

{{Short description|Extinct genus of mammals}}
{{automatic Taxobox
| fossil_range = [[Early Cretaceous]], {{fossilrange|125|123.2}}
| image = Repenomamus-Paleozoological Museum of China.jpg
| image_caption = Type of ''R''. ''giganticus'', [[Paleozoological Museum of China]]
| taxon = Repenomamus
| authority = Li ''et al.'', 2001
| type_species = {{extinct}}'''''Repenomamus robustus'''''
| type_species_authority = Li ''et al.'', 2001<ref name="Li et al 2001">{{cite journal|title=A new family of primitive mammal from the Mesozoic of western Liaoning, China|journal=Chinese Science Bulletin|date=2001|volume=46|issue=9|pages=782–785|author=Li|doi=10.1007/bf03187223|bibcode=2001ChSBu..46..782L|s2cid=129025369|display-authors=etal}}</ref>
| subdivision_ranks = [[Species]]
| subdivision = {{extinct}}'''''Repenomamus robustus''''' <small>Li ''et al.'', 2000</small><br />
{{extinct}}'''''Repenomamus giganticus''''' <small>Hu ''et al.'', 2005</small>
}}

'''''Repenomamus''''' (Latin: "reptile" (reptilis), "mammal" (mammalis)<ref>{{cite web|url=https://research.amnh.org/paleontology/perissodactyl/concepts/glossary|archive-url=https://web.archive.org/web/20211120123130/https://research.amnh.org/paleontology/perissodactyl/concepts/glossary|archive-date=20 November 2021|title=Glossary. American Museum of Natural History}}</ref>) is a genus of opossum- to badger-sized [[Gobiconodontidae|gobiconodontid]]<ref name="Montellano2008">{{Cite journal|author=Marisol Montellano |author2=James A. Hopson |author3=James M. Clark |year=2008|title=Late Early Jurassic Mammaliaforms from Huizachal Canyon, Tamaulipas, México|journal=Journal of Vertebrate Paleontology|volume=28|issue=4|pages=1130–1143 |doi=10.1671/0272-4634-28.4.1130|bibcode=2008JVPal..28.1130M |s2cid=128782275}}</ref> [[mammal]] containing two species, '''''Repenomamus robustus''''' and '''''Repenomamus giganticus'''''. Both species are known from fossils found in [[China]] that date to the early [[Cretaceous]] period, about 125-123.2 million years ago.  ''R. robustus'' is one of several Mesozoic mammals{{refn|Other [[eutriconodont]]s and [[Deltatheroida|deltatheroidean]] [[metatheria]]ns have adaptations towards specialised carnivory<ref>{{cite journal |vauthors=Wilson Gregory P, Riedel Jeremy A | year = 2010 | title = New Specimen Reveals Delta Theroidan Affinities of the North American Late Cretaceous Mammal Nanocuris | journal = Journal of Vertebrate Paleontology | volume = 30 | issue = 3| pages = 872–884 | doi = 10.1080/02724631003762948 | bibcode = 2010JVPal..30..872W | s2cid = 53524747 }}</ref><ref>{{cite journal | author = Christian DE MUIZON, Brigitte LANGE-BADRÉ | year = 2007| title = Carnivorous dental adaptations in tribosphenic mammals and phylogenetic reconstruction | journal = Lethaia| volume =  30| issue = 4| pages = 353–366| doi = 10.1111/j.1502-3931.1997.tb00481.x }}</ref><ref name=Ch12Metatherians>{{Cite book| author = [[Zofia Kielan-Jaworowska]], Richard L. Cifelli, Zhe-Xi Luo | url = https://books.google.com/books?id=qJGcX3X0EaMC | title = Mammals from the Age of Dinosaurs: origins, evolution, and structure | publisher = Columbia University Press | location = New York | year = 2004 | pages = 241–243 | chapter = Chapter 12: Metatherians | isbn = 978-0-231-11918-4 }}</ref>}} for which there is good evidence that it fed on vertebrates, including [[dinosaur]]s.  Though it is not entirely clear whether these animals primarily hunted live dinosaurs or scavenged dead ones, evidence for the former is present in fossilized remains showcasing the results of what was most likely a predation attempt by ''R. robustus'' directed at a specimen of the dinosaur ''[[Psittacosaurus|Psittacosaurus lujiatunensis]]''.<ref name=":0">{{Cite journal |last1=Han |first1=Gang |last2=Mallon |first2=Jordan C. |last3=Lussier |first3=Aaron J. |last4=Wu |first4=Xiao-Chun |last5=Mitchell |first5=Robert |last6=Li |first6=Ling-Ji |date=2023-07-18 |title=An extraordinary fossil captures the struggle for existence during the Mesozoic |journal=Scientific Reports |language=en |volume=13 |issue=1 |page=11221 |doi=10.1038/s41598-023-37545-8 |pmid=37464026 |issn=2045-2322|pmc=10354204 }}</ref>  ''R. giganticus'' is among the largest mammals known from the Mesozoic era, only surpassed by ''[[Patagomaia]]''.