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Idiosaura virginiensis

Osteichthyes - Kuehneosauridae

Taxonomy
Idiosaura virginiensis was named by Kligman et al. (2024). It is not extant. Its type specimen is USNM PAL 770102, a mandible (tooth-bearing left dentary missing its anterior end and parts of its posteroventral wall). Its type locality is Tomahawk locality, USNM 39981, which is in a Carnian lacustrine - small mudstone in the Vinita Formation of Virginia. It is the type species of Idiosaura.

Synonymy list
YearName and author
2024Idiosaura virginiensis Kligman et al. p. 3 fig. 2,3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Eosuchia()
—Neodiapsida
—SauriaGauthier 1984
—Lepidosauromorpha(Benton 1983)
—LepidosauriformesGauthier et al. 1988
familyKuehneosauridae
genusIdiosaura
speciesvirginiensis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Idiosaura virginiensis Kligman et al. 2024
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Diagnosis
ReferenceDiagnosis
B. T. Kligman et al. 2024Small-bodied reptile differing from all other known Triassic reptiles in presenting the following unique combination of features (autapomorphies denoted with an asterisk):
anteriorly tapering dentary bearing dorsoventrally deep sub-Meckelian lip that would have been covered by deep splenial*. Angular facet forming flat, posterolaterally facing surface interrupting ventral border of dentary ventral to the distal teeth*. Intramandibular septum roofing Meckelian groove dorsally, housing large inferior alveolar canal and with posteriorly projecting intramandibular lamina*. Series of at least four anteroposter-
iorly extending neurovascular canals stacked ventral to the inferior alveolar canal within bone of dentary*. Tall cylindrical teeth with lingually recurved apices. Tooth bases ringed by spongy mineralized attachment tissue. Tooth replacement pits associated with at least distalmost teeth
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Created: 2017-04-17 15:16:03
Modified: 2017-04-17 15:16:03
Source: subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Kiessling 2004

Age range: Carnian or 237.00000 to 227.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 227.3USA (Virginia) Idiosaura virginiensis (type locality: 39159)