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Australian funnel-web spider
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==Taxonomy== The first atracid spider to be described was ''[[Hadronyche cerberea]]'', by [[Carl Ludwig Koch]] in 1873. [[Octavius Pickard-Cambridge]] described another atracid species, ''A. robustus'', four years later. For a considerable time, confusion existed as to the limits of the genera ''Hadronyche'' and ''Atrax'', not helped by the destruction of the type specimens of ''Hadronyche cerberea'' during World War II. In 1980, [[Robert J. Raven]] merged the two genera under ''Atrax''. In 1988, [[Michael R. Gray]] separated them again, and in 2010, added a third genus, ''[[Illawarra wisharti|Illawarra]]''.<ref name=ausmus/> The family placement of the group has varied. In 1892, [[Eugène Simon]] placed ''Atrax'' and ''Hadronyche'' in the family [[Dipluridae]]. In 1901, [[Henry Roughton Hogg|Henry R. Hogg]] considered them to be sufficiently distinctive to form a separate group, which he called "Atraceae"<ref name=Hogg01>{{cite journal |last1=Hogg |first1=H.R. |date=1901 |title=On Australian and New Zealand spiders of the suborder Mygalomorphae |journal=Proceedings of the Zoological Society of London |volume=1901 |pages=218–279 |doi=10.1111/j.1469-7998.1901.tb08176.x }}</ref> – the basis of the modern family name Atracidae. When in the 1980s, Raven elevated part of Simon's Dipluridae to the family [[Hexathelidae]], he included the atracine group. [[Molecular phylogenetics|Molecular phylogenetic studies]] consistently threw doubt on the [[monophyly]] of the Hexathelidae.<ref name=ausmus/><ref name=WheeCoddCrowDimi16>{{Citation |last1=Wheeler |first1=Ward C. |last2=Coddington |first2=Jonathan A. |last3=Crowley |first3=Louise M. |last4=Dimitrov |first4=Dimitar |last5=Goloboff |first5=Pablo A. |last6=Griswold |first6=Charles E. |last7=Hormiga |first7=Gustavo |last8=Prendini |first8=Lorenzo |last9=Ramírez |first9=Martín J. |last10=Sierwald |first10=Petra |last11=Almeida-Silva |first11=Lina |last12=Alvarez-Padilla |first12=Fernando |last13=Arnedo |first13=Miquel A. |last14=Benavides Silva |first14=Ligia R. |last15=Benjamin |first15=Suresh P. |last16=Bond |first16=Jason E. |last17=Grismado |first17=Cristian J. |last18=Hasan |first18=Emile |last19=Hedin |first19=Marshal |last20=Izquierdo |first20=Matías A. |last21=Labarque |first21=Facundo M. |last22=Ledford |first22=Joel |last23=Lopardo |first23=Lara |last24=Maddison |first24=Wayne P. |last25=Miller |first25=Jeremy A. |last26=Piacentini |first26=Luis N. |last27=Platnick |first27=Norman I. |last28=Polotow |first28=Daniele |last29=Silva-Dávila |first29=Diana |last30=Scharff |first30=Nikolaj |last31=Szűts |first31=Tamás |last32=Ubick |first32=Darrell |last33=Vink |first33=Cor J. |last34=Wood |first34=Hannah M. |last35=Zhang |first35=Junxia |date=2016 |title=The spider tree of life: phylogeny of Araneae based on target-gene analyses from an extensive taxon sampling |journal=Cladistics |volume=33 |issue=6 |pages=574–616 |doi=10.1111/cla.12182 |pmid=34724759 |s2cid=35535038 |name-list-style=amp|doi-access=free }}</ref> In 2018, the group was restored to a full family as Atracidae. The following [[cladogram]] shows the relationship found between Atracidae and related taxa. Its sister taxon is [[Actinopodidae]].<ref name=HediDerkRamiVink18>{{cite journal|last1=Hedin |first1=M. |last2=Derkarabetian |first2=S. |last3=Ramírez |first3=M.J. |last4=Vink |first4=C. |last5=Bond |first5=J.E. |date=2018 |title=Phylogenomic reclassification of the world's most venomous spiders (Mygalomorphae, Atracinae), with implications for venom evolution |journal=Scientific Reports |volume=8 |issue=1636 |pages=1636 |doi=10.1038/s41598-018-19946-2 |pmid=29374214 |name-list-style=amp|pmc=5785998 |bibcode=2018NatSR...8.1636H }}</ref> {{clade|style=line-height:100% |1={{clade |1=Dipluridae|state1=double |2={{clade |1=[[Hexathelidae]] |2={{clade |1=[[Porrhothelidae]] |2={{clade |1=[[Macrothelidae]] |2={{clade |1={{clade |1=''[[Calisoga]]'' (Nemesiidae) |2=''[[Hebestatis]]'' (Halonoproctidae) }} |2={{clade |1='''Atracidae''' |2=[[Actinopodidae]] }} }} }} }} }} }} }} ===Genera=== {{as of|2019|04}}, the [[World Spider Catalog]] accepts the following genera:<ref name=NMBE>{{cite web| title=Family: Atracidae Hogg, 1901| website=World Spider Catalog| access-date=2019-04-19| publisher=Natural History Museum Bern| url=http://www.wsc.nmbe.ch/family/124}}</ref> {{div col|colwidth=30em}} * ''[[Atrax]]'' <small>O. Pickard-Cambridge, 1877</small> — Australia * ''[[Hadronyche]]'' <small>L. Koch, 1873</small> — Australia * ''[[Illawarra wisharti|Illawarra]]'' <small>Gray, 2010</small> — Australia {{div col end}} {{anchor|Venom}}<!--for the following section-->
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