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Euichthyosauria (disused)

Reptilia

Taxonomy
Euichthyosauria was named by Motani (1999). It is not extant.

It was reranked as the infraorder Euichthyosauria by McGowan and Motani (2003).

It was assigned to Merriamosauria by Motani (1999), McGowan and Motani (2003), Ji et al. (2016), Moon (2017) and Moon (2019).

Synonymy list
YearName and author
1999Euichthyosauria Motani p. 480
2003Euichthyosauria McGowan and Motani
2016Euichthyosauria Ji et al. p. 11
2017Euichthyosauria Moon
2019Euichthyosauria Moon p. 146

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
RankNameAuthor
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Ichthyosauromorpha
Ichthyosauriformes
Ichthyopterygia(Owen 1840)
Eoichthyosauria
Ichthyosauria(de Blainville 1835)
Hueneosauria
Merriamosauria
Euichthyosauria
Euichthyosauria

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.

Unr. †Euichthyosauria Motani 1999
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Diagnosis
ReferenceDiagnosis
R. Motani 1999Humeral facets for radius and ulna equal in length; bony fixation of teeth lost.
C. Ji et al. 2016Humerus with two distal articular facets, nearly equal in length; anterior notch of radiale present; pubis obturator foramen wide; sudden decrease in height of the mid-caudal ver- tebrae; tail stem vertebral size about 1/2 of the largest dorsal ver- tebrae or less; anterior caudal count about 2/3 of the prepelvic count or more; radiale anterior notch present.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:07:40
Modified: 2010-02-23 00:20:57
Source: o = order
Reference: Kiessling 2004
Collections
No collection or age range data are available