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
Superfamilia Incertae sedis: † Euomphaloidea
Familia: † Helicotomidae
Genera (00):
Name
† Helicotomidae Wenz, 1938
References
Links
Helicotomidae in the World Register of Marine Species
Helicotomidae is an extinct family of Paleozoic molluscs (gastropods?) with anisostrophically coiled shells of uncertain position (Gastropoda?) (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[2] categorizes Helicotomidae in the superfamilia Euomphaloidea within the Paleozoic molluscs with anisostrophically coiled shells of uncertain position (Gastropoda?). This family has no subfamilies.
Genera
Genera in the family Helicotomidae include:[3]
Amphelissa
Boucotspira
Boucotspira
Burdikinia - synonym: Polyamma.
Colpomphalus
Helicotoma Satler, 1859 - type genus of the family Helicotomidae
Lophonema - synonym: Polhemia.
Ophiletina
Palaeomphalus
Paraviviana
Walcottoma
Yochelsoniella
References
(in German) Wenz W. A. (March) 1938. Handbuch der Paläozoologie, 6(1). Page 117.
Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. 2005. Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. ISBN 3-925919-72-4. ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278
Helicotomidae. The Paleobiology Database, accessed 13 August 2009.
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License