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Rioceras

Cephalopoda - Ellesmerocerida - Rioceratidae

Taxonomy
Rioceras was named by Flower (1964) [Sepkoski's age data: O Aren-u Sepkoski's reference number: 298,524]. It is not extant. Its type is Rioceras nondescriptum.

It was assigned to Baltoceratidae by Hook and Flower (1977); and to Rioceratidae by Kröger and Evans (2011) and Kröger and Lefebvre (2012).

Synonymy list
YearName and author
1964Rioceras Flower p. 102
1977Rioceras Hook and Flower
2011Rioceras Kröger and Evans p. 20
2012Rioceras Kröger and Lefebvre

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderEllesmerocerida()
familyRioceratidae
genusRioceras

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.

Diagnosis
No diagnoses are available