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Cymbospondylidae
Taxonomy
Cymbospondylidae was named by von Huene (1948). It is not extant.
It was assigned to Ichthyosauria by Kuhn (1971) and McGowan and Motani (2003); to Longipinnati by von Huene (1951), Maisch and Matzke (2000), Maisch and Matzke (2006) and Maisch (2010); and to Ichthyosauria by Ji et al. (2016).
It was assigned to Ichthyosauria by Kuhn (1971) and McGowan and Motani (2003); to Longipinnati by von Huene (1951), Maisch and Matzke (2000), Maisch and Matzke (2006) and Maisch (2010); and to Ichthyosauria by Ji et al. (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1948 | Cymbospondylidae von Huene |
| 1951 | Cymbospondylidae von Huene p. 90 |
| 1971 | Cymbospondylidae Kuhn p. 22 |
| 2000 | Cymbospondylidae Maisch and Matzke p. 96 |
| 2003 | Cymbospondylidae McGowan and Motani |
| 2006 | Cymbospondylidae Maisch and Matzke p. 598 |
| 2010 | Cymbospondylidae Maisch |
| 2016 | Cymbospondylidae Ji et al. p. 7 |
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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.
Fm. †Cymbospondylidae von Huene 1948
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G. †Cymbospondylus Leidy 1868
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†Cymbospondylus buchseri Sander 1989
†Cymbospondylus duelferi Klein et al. 2020
†Cymbospondylus natans Merriam 1908
†Cymbospondylus nevadanus Merriam 1908
†Cymbospondylus nichollsi Fröbisch et al. 2006
†Cymbospondylus petrinus Leidy 1868
†Cymbospondylus piscosus Leidy 1868
Invalid names: Chonespondylus Leidy 1868 [synonym], Cymbospondylus germanicus von Huene 1916 [nomen dubium], Cymbospondylus parvus von Huene 1916 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Ji et al. 2016 | Sagittal eminence present but small, involving only the parietal; anterior processes of parietals narrowly sepa- rated anteriorly, forming parietal fork, and frontal dorsally visi- ble along the pineal foramen; ulna peripheral shaft notched or absent; iliac blade plate-like; posterior dorsal centra discoidal; sacral ribs absent.
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