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Euichthyosauria (disused)
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).
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
| Year | Name and author |
|---|---|
| 1999 | Euichthyosauria Motani p. 480 |
| 2003 | Euichthyosauria McGowan and Motani |
| 2016 | Euichthyosauria Ji et al. p. 11 |
| 2017 | Euichthyosauria Moon |
| 2019 | Euichthyosauria Moon p. 146 |
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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
| Reference | Diagnosis | |
|---|---|---|
| R. Motani 1999 | Humeral facets for radius and ulna equal in length; bony fixation of teeth lost. | |
| C. Ji et al. 2016 | Humerus 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
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available