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Proapatokephaloides
Taxonomy
Proapatokephaloides was named by Ergaliev (1980) [Sepkoski's age data: Cm Trep Sepkoski's reference number: 459]. It is not extant. Its type is Proapatokephaloides longiformis.
It was assigned to Ptychopariida by Sepkoski (2002); and to Pterocephaliidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Pterocephaliidae by Jell and Adrain (2002).
Species
P. longiformis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Proapatokephaloides Ergaliev |
| 2002 | Proapatokephaloides Jell and Adrain |
| 2002 | Proapatokephaloides 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. †Proapatokephaloides Ergaliev 1980
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†Proapatokephaloides longiformis Ergaliev 1980
Diagnosis
No diagnoses are available