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Protactinocerida

Cephalopoda - Protactinocerida

Taxonomy
Protactinocerida is an order. It is not extant.

It was assigned to Actinoceridea by Crick (1981); and to Cephalopoda by Sepkoski (2002).

Synonymy list
YearName and author
1981Protactinocerida Crick p. 226
2002Protactinocerida Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassActinoceratoidea
orderProtactinocerida
orderProtactinocerida

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.

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Fm. †Protactinoceratidae Chen 1979
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G. †Sinoeremoceras Kobayashi 1933
G. †Wanwanoceras Kobayashi 1933
Diagnosis
No diagnoses are available