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Colostracon
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).
It was assigned to Acteonidae by Ronchetti (1970); to Acteonininae by Kase (1984); and to Cephalaspida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
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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 franconica Kuhn 1935
†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]
†Ovactaeonina sendelbachensis Kuhn 1936
Diagnosis
No diagnoses are available