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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

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

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
Sorbeoconcha(Ponder and Lindberg 1997)
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.

G. †Colostracon Hamlin 1884
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Subg. †Colostracon (Ovactaeonina) Cossmann 1895
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Ovactaeonina abdominiformis Schröder 1995
Ovactaeonina gracilis Assmann 1924
Ovactaeonina kalchreuthensis Gründel and Nützel 1998
Ovactaeonina malzi Schröder 1995
Ovactaeonina pommerana Grundel 1999
Ovactaeonina scalaria Münster 1841
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Invalid names: Actaeonina subscalaris Laube 1868 [synonym], Oliva alpina Klipstein 1843 [synonym], Tornatella abbreviata Klipstein 1843 [synonym]
Diagnosis
No diagnoses are available