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Colostracon

Gastropoda - Acteoninidae

Taxonomy
Colostracon was named by Hamlin (1884) [Sepkoski's age data: K Apti K u Sepkoski's reference number: 157]. It is not extant.

It was assigned to Acteonidae by Ronchetti (1970); to Acteonininae by Kase (1984); and to Cephalaspida by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1884Colostracon Hamlin
1970Colostracon Ronchetti p. 71
1984Colostracon Kase p. 169
2002Colostracon Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassProsobranchiaMilne-Edwards 1848
superorderCaenogastropodaCox 1959
superfamilyActeoninoideaCossmann 1895
familyActeoninidae(Pchelincev and Korobkov 1960)
subfamilyActeonininae
genusColostraconHamlin 1884

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