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Holocephalina
Taxonomy
Holocephalina was named by Salter (1864) [Sepkoski's age data: Cm uMid-l Cm uMid-m Sepkoski's reference number: 80,378]. It is not extant. It is the type genus of Holocephalinidae.
It was assigned to Conocoryphidae by Resser (1936) and Yang et al. (1993); to Holocephalinidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Conocoryphidae by Resser (1936) and Yang et al. (1993); to Holocephalinidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Holocephalina Salter |
| 1872 | Carausia Hicks |
| 1936 | Holocephalina Resser p. 21 |
| 1993 | Holocephalina Yang et al. |
| 2002 | Holocephalina Jell and Adrain p. 384 |
| 2002 | Holocephalina 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. †Holocephalina Salter 1864
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†Holocephalina chinensis Yang et al. 1993
†Holocephalina linnarssoni Grönwall 1902
†Holocephalina trapezia Yang et al. 1993
Invalid names: Carausia Hicks 1872 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. E. Resser 1936 | A rather small trilobite with convex cephalon. Gla- bella distinctly marked by shallow dorsal furrow. Marginal furrow alsoshallow; thoraxandpygidiumtypicalofthefamily. |