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Protoryctocephalus
Taxonomy
Protoryctocephalus was named by Chow (1974) [Sepkoski's age data: Cm Tojo-l Sepkoski's reference number: 463]. It is not extant.
It was assigned to Oryctocephalidae by Zhang and Zhou (1985); and to Corynexochida by Sepkoski (2002).
It was assigned to Oryctocephalidae by Zhang and Zhou (1985); and to Corynexochida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Protoryctocephalus Chow |
| 1985 | Protoryctocephalus Zhang and Zhou |
| 2002 | Protoryctocephalus 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.
G. †Protoryctocephalus Chow 1974
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†Protoryctocephalus balangensis Zhao and Yuan 2002
†Protoryctocephalus wuxunensis Zhou 1974
Diagnosis
No diagnoses are available