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Doswelliidae ✝

Description

Doswelliidae is an extinct family of carnivorous archosauriform reptiles that lived in North America and Europe during the Middle to Late Triassic period. Long represented solely by the heavily-armored reptile Doswellia, the family's composition has expanded since 2011, although two supposed South American doswelliids (Archeopelta and Tarjadia) were later redescribed as erpetosuchids. Doswelliids were not true archosaurs, but they were close relatives and some studies have considered them among the most derived non-archosaurian archosauriforms. They may have also been related to the Proterochampsidae, a South American family of crocodile-like archosauriforms.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4819189https://www.gbif.org/species/4819189
PaleoBioDB ID (PBDB)94380https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=94380
Rankfamily (GBIF)
unranked clade (PBDB)
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Doswelliidae
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Doswelliidae
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-ProterochampsiaKischlat 2000
familyDoswelliidae
Scientific NameDoswelliidae
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Doswelliidaefamilybelongs to Doswelliinastated without evidenceWeems, 1980
Doswelliidaefamilybelongs to Archosauriformesstated without evidenceLong and Murry, 1995
Doswelliidaefamilybelongs to Archosauriformesstated with evidenceDilkes and Sues, 2009
Doswelliidaeunranked cladebelongs to Archosauromorphastated without evidenceleteMe, 2009
Doswelliidaeunranked cladebelongs to Archosauriformesstated with evidenceDesojo et al., 2011
Doswelliidaeunranked cladebelongs to Proterochampsiastated with evidenceEzcurra, 2016
Status (PBDB)extinct
Taxon Size (PBDB)14
First Recorded Appearance242 - 237 Ma
Middle Triassic
Last Recorded Appearance209 - 201 Ma
Mesozoic
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)R. E. Weems. 1980. An unusual newly discovered archosaur from the Upper Triassic of Virginia, U.S.A. Transactions of the American Philosophical Society, New Series 70(7):1-53
Wikipediahttps://en.wikipedia.org/wiki/Doswelliidae

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Ankylosuchus
genus
listed (PBDB)1237 Ma
Middle Triassic
237 Ma
Middle Triassic
Archeopelta
genus
accepted (GBIF)
listed (PBDB)
1242 Ma
Middle Triassic
242 Ma
Middle Triassic
Doswellia
genus
accepted (GBIF)
listed (PBDB)
9237 Ma
Middle Triassic
228 Ma
Late/Upper Triassic
Jaxtasuchus
genus
accepted (GBIF)
listed (PBDB)
4242 Ma
Middle Triassic
242 Ma
Middle Triassic
Tarjadia
genus
accepted (GBIF)
listed (PBDB)
4242 Ma
Middle Triassic
242 Ma
Middle Triassic
Vancleavea
genus
accepted (GBIF)
listed (PBDB)
21237 Ma
Middle Triassic
209 Ma
Late/Upper Triassic

Synonymy List

YearName and Author
1980Doswelliidae Weems p. 10
1995Doswelliidae Long and Murry
2009Doswelliidae Dilkes and Sues
2009Doswelliidae leteMe p. 59
2011Doswelliidae Desojo et al. p. 841
2013Doswelliidae Sues et al.
2016Doswelliidae Ezcurra

References

Weems R. E. (1980) An unusual newly discovered archosaur from the Upper Triassic of Virginia, U.S.A., Transactions of the American Philosophical Society, New Series 70 7, 1-53
Long R. A., Murry P. A. (1995) Late Triassic (Carnian and Norian) tetrapods from the southwestern United States, New Mexico Museum of Natural History and Science Bulletin 4, 1-254
Dilkes D., Sues H.-D. (2009) Redescription and phylogenetic relationships of Doswellia kaltenbachi (Diapsida: Archosauriformes) from the Upper Triassic of Virginia, Journal of Vertebrate Paleontology 29 1, 58-79
Desojo J. B., Ezcurra M. D., et al (2011) An unusual new archosauriform from the Middle–Late Triassic of southern Brazil and the monophyly of Doswelliidae, Zoological Journal of the Linnean Society 161, 839-871
Sues H.-D., Desojo J. B., et al (2013) Doswelliidae: a clade of unusual armoured archosauriforms from the Middle and Late Triassic, Anatomy, Phylogeny and Palaeobiology of Early Archosaurs and their Kin. Geological Society, London, Special Publications 379 doi:10.1144/SP379.13
Ezcurra M. D. (2016) The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms, PeerJ 4, e1778
The Paleobiology Database (2010 version). - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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