# Apachesaurus

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Extinct genus of temnospondyls

Apachesaurus Temporal range: Late Triassic Life restoration Koskinonodon perfectus and Apachesaurus gregorii compared to a human Scientific classification Kingdom: Animalia Phylum: Chordata Clade: Tetrapoda Order: †Temnospondyli Suborder: †Stereospondyli Family: †Metoposauridae Genus: †Apachesaurus Species †A. gregorii

***Apachesaurus*** is an extinct genus of [metoposaurid](/source/Metoposaurid) [temnospondyls](/source/Temnospondyl) from western North America.

## Description and taxonomy

*Apachesaurus* was described from the Upper Triassic (late [Norian](/source/Norian)-[Rhaetian](/source/Rhaetian)) [Redonda Formation](/source/Redonda_Formation) of eastern New Mexico as a small, diminutive genus of metoposaurid. The small elongate centra were used by Hunt (1993) to consider *Apachesaurus* a small species of metoposaurid.[1] However, Gee *et al.* (2017) and Gee and Parker (2018) demonstrated that centra referred to *Apachesaurus* are juveniles rather than small adults, concluding that *Apachesaurus* specimens are juveniles, though they cautioned they could not determine whether these are *Anaschisma* or a distinct taxon in its own right.[2][3]

## References

1. **[^](#cite_ref-1)** Hunt, A.P., 1993, Revision of the Metoposauridae (Amphibia: Temnospondyli) and description of a new genus from western North America: Museum of Northern Arizona Bulletin, v. 59, p. 67–97.

1. **[^](#cite_ref-2)** Gee, B.M., Parker, W.G., and Marsh, A.D. 2017. Microanatomy and paleohistology of the intercentra of North American metoposaurids from the Upper Triassic of Petrified Forest National Park (Arizona, USA) with implications for the taxonomy and ontogeny of the group. PeerJ 5: e3183. DOI: 10.7717/peerj.3183

1. **[^](#cite_ref-3)** Gee, B.M., and Parker, W.G. 2018. Morphological and histological description of small metoposaurids from Petrified Forest National Park, AZ, USA and the taxonomy of Apachesaurus. Journal of Historical Biology 00: 00-00. DOI: 10.1080/08912963.2018.1480616

- Branson, E.B., and M.G. Mehl, 1929. Triassic amphibians from the Rocky Mountain region. University of Missouri Studies 4:155-239.

- Gregory, J. T., 1980. The otic notch of metoposaurid labyrinthodonts, pp. 125–136 in: Jacobs L. L. (ed.) Aspects of Vertebrate History: Essays in Honor of Edwin H. Colbert. Museum of Northern Arizona.

- Davidow-Henry, B., 1987. New Metoposaurs from the southwestern United States and their phylogenetic relationships. Unpublished MS thesis, Texas Tech University, Lubbock, 75 p.

- Long, R.A., and P.A. Murry, 1995. Late Triassic (Carnian and Norian) tetrapods from the southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4.

v t e Stereospondyli Kingdom: Animalia Phylum: Chordata Clade: Tetrapodomorpha Order: Temnospondyli Tetrapodomorpha see Tetrapodomorpha Temnospondyli see Temnospondyli Stereospondyli see below↓ Stereospondyli Stereospondyli Arachana Capulomala Peltobatrachus Lapillopsidae Lapillopsis Manubrantlia Rhigerpeton Rotaurisaurus Rhinesuchidae Australerpeton? Broomistega Laccosaurus Parapytanga? Rastosuchus Rhineceps Rhinesuchoides Rhinesuchus Uranocentrodon Lydekkerinidae Chomatobatrachus Cryobatrachus Deltacephalus Eolydekkerina Indobenthosuchus Luzocephalus? Lydekkerina Capitosauria Antarctosuchus Bukobaja Calmasuchus Capitosaurus Cherninia Cyclotosaurus Edingerella Eocyclotosaurus Eryosuchus Heptasaurus Huangfuchuansuchus Jammerbergia Kestrosaurus Kupferzellia Mastodonsaurus Meyerosuchus Odenwaldia Paracyclotosaurus Parotosuchus Quasicyclotosaurus Procyclotosaurus Promastodonsaurus Rhadalognathus Samarabatrachus Sassenisaurus Sclerothorax Selenocara Stanocephalosaurus Stenotosaurus Subcyclotosaurus Tatrasuchus Vladlenosaurus Volgasaurus Volgasuchus Warrenisuchus Watsonisuchus Wellesaurus Wetlugasaurus Xenotosuchus Yuanansuchus Trematosauria see below↓ Trematosauria Trematosauria Almasaurus Bothriceps Callistomordax Chinlestegophis Keratobrachyops Laidleria Latiscopus Qantas Rileymillerus Syrtosuchus Uruyiella Benthosuchidae Benthosuchus Kwatisuchus Trematosauridae Angusaurus Aphaneramma Cosgriffius Erythrobatrachus Gonioglyptus Hyperokynodon Icanosaurus Indolyrocephalus Inflectosaurus Lyrocephaliscus Microposaurus Panchetosaurus Platystega Prothoosuchus Stoschiosaurus Tertrema Tertremoides Thoosuchus Tirraturhinus Trematolestes Trematosuchoides Trematosaurus Trematosuchus Trematotegmen Wantzosaurus Metoposauridae Anaschisma Apachesaurus Arganasaurus Buettnererpeton Dutuitosaurus Metoposaurus Panthasaurus Rhytidosteidae Boreopelta Mahavisaurus Nanolania Peltostega Pneumatostega Rhytidosteus Sangaia Trucheosaurus Derwentiinae Arcadia Acerastia Deltasaurus Derwentia Indobrachyops Rewana Chigutisauridae Arenaerpeton Chigutisaurus Compsocerops Koolasuchus Pelorocephalus Siderops Brachyopidae Banksiops Bathignathus Batrachosaurus Batrachosuchoides Batrachosuchus Blinasaurus Brachyops Gobiops Hadrokkosaurus Notobrachyops Platycepsion Sinobrachyops Vanastega Vigilius Xenobrachyops Plagiosauridae Gerrothorax Megalophthalma Plagiobatrachus Plagiorophus Plagiosaurus Plagioscutum Plagiosternum Plagiosuchus See also: Trematosauroidea Metoposauroidea Rhytidosteoidea Brachyopomorpha Brachyopoidea Plagiosauroidea Category

Taxon identifiers Apachesaurus Wikidata: Q4778967 GBIF: 4975561 Paleobiology Database: 69035

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Adapted from the Wikipedia article [Apachesaurus](https://en.wikipedia.org/wiki/Apachesaurus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Apachesaurus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.