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Pterocephalia
Taxonomy
Pterocephalia was named by Roemer (1849) [Sepkoski's age data: Cm Dres-u Cm Fran-l Sepkoski's reference number: 16,489].
It was reranked as Conocephalites (Pterocephalus) by Hall and Whitfield (1877); it was reranked as Ptychoparia (Pterocephalus) by Walcott (1884).
It was assigned to Conocephalites by Hall and Whitfield (1877); to Ptychoparia by Walcott (1884); to Pterocephaliinae by Palmer (1960); to Pterocephaliidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was reranked as Conocephalites (Pterocephalus) by Hall and Whitfield (1877); it was reranked as Ptychoparia (Pterocephalus) by Walcott (1884).
It was assigned to Conocephalites by Hall and Whitfield (1877); to Ptychoparia by Walcott (1884); to Pterocephaliinae by Palmer (1960); to Pterocephaliidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1849 | Pterocephalia Roemer |
| 1877 | Conocephalites (Pterocephalus) Hall and Whitfield p. 221 |
| 1884 | Ptychoparia (Pterocephalus) Walcott p. 58 |
| 1960 | Pterocephalia Palmer p. 84 |
| 2002 | Pterocephalia Jell and Adrain p. 436 |
| 2002 | Pterocephalia 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. †Pterocephalia Roemer 1849
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†Pterocephalia concava Palmer 1960
†Pterocephalia elongata Palmer 1960
†Pterocephalia punctata Palmer 1965
†Pterocephalia sanctisabae Roemer 1849
†Pterocephalia tenura Rozova 1963
†Ptychoparia (Pterocephalus) laticeps Hall and Whitfield 1877
†Ptychoparia (Pterocephalus) occidens Walcott 1884
Diagnosis
No diagnoses are available