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Oryctocephalites
Taxonomy
Oryctocephalites was named by Resser (1939) [Sepkoski's age data: Cm Tojo-u Cm mMid Sepkoski's reference number: 80]. Its type is Oryctocephalites typicalis.
It was assigned to Oryctocephalinae by Sundberg and McCollum (1997); to Corynexochida by Sepkoski (2002); and to Oryctocephalidae by Palmer and Halley (1979) and Jell and Adrain (2002).
It was assigned to Oryctocephalinae by Sundberg and McCollum (1997); to Corynexochida by Sepkoski (2002); and to Oryctocephalidae by Palmer and Halley (1979) and Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Oryctocephalites Resser |
| 1979 | Oryctocephalites Palmer and Halley p. 83 |
| 1997 | Oryctocephalites Sundberg and McCollum p. 1079 |
| 2002 | Oryctocephalites Jell and Adrain p. 415 |
| 2002 | Oryctocephalites 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. †Oryctocephalites Resser 1939
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Subg. †Oryctocephalites (Parachangaspis) Liu 1982
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†Parachangaspis haopingensis Yang et al. 1993
†Oryctocephalites alexandriensis Shergold 1969
†Oryctocephalites burgessensis Resser 1938
†Oryctocephalites gelasinus Shergold 1969
†Oryctocephalites incertus Tchernysheva 1962
†Oryctocephalites kueizhouensis Lu and Chien 1974
†Oryctocephalites limbatus Tchernysheva 1962
†Oryctocephalites opiki Shergold 1969
†Oryctocephalites palmeri Sundberg and McCollum 1997
†Oryctocephalites rasettii Sundberg and McCollum 1997
†Oryctocephalites resseri Rasetti 1951
†Oryctocephalites reynoldsi Reed 1899
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Invalid names: Oryctocephalites walcotti Resser 1938 [synonym]
†Oryctocephalites runcinatus Shergold 1969
†Oryctocephalites salteri Reed 1910
†Oryctocephalites sulcatus Shergold 1969
†Oryctocephalites typicalis Resser 1939
†Oryctocephalites vicinus Tchernysheva 1962
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg and L. B. McCollum 1997 | Oryctocephalinae with cranidium with medially to anteriorly expanded glabella; lateral glabellar fur rows with pits at SI-S3, not extending to axial furrows, typically SI pits connected with transglabellar furrow, S4 pits small and faint; occipital ring typically without longitudinal furrows pro jecting from So depression to the posterior margin; anterior mar gin of rostral-hypostoma plate slightly wider than maximum gla bellar width. Pygidium with typically 5 or 6 pairs of cylindrical spines and moderately developed interpleural furrows. |