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Life-forms

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Caenogastropoda
Superfamilia Incertae sedis: Campaniloidea

Familia: Trypanaxidae
Genera (4†): †Alocaxis – †Casimiria – †Trypanaxis – †Trypatrochus
Name

† Trypanaxidae Gougerot & Le Renard, 1987
References
Links

Trypanaxidae in the World Register of Marine Species

Trypanaxidae is an extinct family of fossil sea snails, marine gastropod molluscs in the superfamily Campaniloidea.[2]

According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005), the family Trypanaxidae has no subfamilies.
Genera

Genera within the family Trypanaxidae include:

† Trypanaxis Cossmann, 1889 - the type genus
† Alocaxis Cossmann, 1889[3]

References

Gougerot & Le Renard (1987). Cahires des Naturalistes new series, 42(3): 65.
Bouchet, P. & Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia. 47 (1–2).

Alocaxis. The Paleobiology Database, accessed 16 May 2010.

The Paleobiology Database: Trypanaxidae

Mollusca Images

Biology Encyclopedia

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