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Cryptoclidia (disused)
Taxonomy
Cryptoclidia was named by Ketchum and Benson (2010).
It was assigned to Plesiosauria by O'Keefe et al. (2011); and to Plesiosauroidea by Ketchum and Benson (2010), Ketchum and Benson (2011), Benson and Druckenmiller (2014).
It was assigned to Plesiosauria by O'Keefe et al. (2011); and to Plesiosauroidea by Ketchum and Benson (2010), Ketchum and Benson (2011), Benson and Druckenmiller (2014).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Cryptocleidoidea Williston |
| 2001 | Cryptocleidoidea O'Keefe p. 19 fig. 20 |
| 2010 | Cryptoclidia Ketchum and Benson pp. 15, 21 & table 4 |
| 2011 | Cryptoclidia Ketchum and Benson p. 126 |
| 2011 | Cryptoclidia O'Keefe et al. |
| 2012 | Cryptocleidoidea Otero et al. |
| 2014 | Cryptoclidia Benson and Druckenmiller figs. 2-3 |
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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. †Cryptoclidia Ketchum and Benson 2010
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Invalid names: Cryptocleidoidea Williston 1925 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. R. O'Keefe 2001 (Cryptocleidoidea) | "Fin aspect ratio low; anterior interpterygoid vacuity wide with rounded ends; anterior parasphenoid short and blunt; coronoid exposed on lateral mandible surface; groove formed by prearticular/socket in angular; atlas centrum exposed on lateral surface between intercentrum and neural arch; anterior neural flange on cervical neural spines." |