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Discosaurus
Taxonomy
Discosaurus was named by Leidy (1851) [Sepkoski's age data: K u]. It is not extant. Its type is Discosaurus vetustus.
It was synonymized subjectively with Cimoliasaurus by Cope (1869), Hay (1902), Williston (1903) and Williston (1906); it was synonymized subjectively with Cimoliosaurus by Lydekker (1889).
It was assigned to Brachaucheniidae by Hay (1930); to Elasmosauridae by Thurmond and Jones (1981); and to Plesiosauria by Carroll (1988) and Sepkoski (2002).
It was synonymized subjectively with Cimoliasaurus by Cope (1869), Hay (1902), Williston (1903) and Williston (1906); it was synonymized subjectively with Cimoliosaurus by Lydekker (1889).
It was assigned to Brachaucheniidae by Hay (1930); to Elasmosauridae by Thurmond and Jones (1981); and to Plesiosauria by Carroll (1988) and Sepkoski (2002).
Species
D. vetustus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1851 | Discosaurus Leidy p. 326 |
| 1930 | Discosaurus Hay p. 120 |
| 1981 | Discosaurus Thurmond and Jones p. 140 |
| 1988 | Discosaurus Carroll |
| 2002 | Discosaurus Sepkoski |
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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.
Diagnosis
No diagnoses are available