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Ectocycloceras

Cephalopoda - Ellesmerocerida - Rudolfoceratidae

Taxonomy
Ectocycloceras was named by Ulrich and Foerste (1936) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 524]. Its type is Orthoceras cataline.

It was assigned to Protocycloceratidae by Teichert et al. (1964); to Ellesmerocerida by Sepkoski (2002); and to Rudolfoceratidae by Ulrich et al. (1944) and Evans (2011).

Synonymy list
YearName and author
1936Ectocycloceras Ulrich and Foerste p. 275
1944Ectocycloceras Ulrich et al.
1964Ectocycloceras Teichert et al. p. 152
2002Ectocycloceras Sepkoski, Jr.
2011Ectocycloceras Evans

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderEllesmerocerida()
familyRudolfoceratidae
genusEctocyclocerasUlrich and Foerste 1936

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