| 词条 | Helicotomidae |
| 释义 |
| fossil_range = | image = | image_caption = | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_familia = | superfamilia = Euomphaloidea | familia = Helicotomidae | familia_authority = Wenz, 1938[1] | subdivision_ranks = Genera | subdivision = See text | synonyms = }} 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). TaxonomyThe 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. GeneraGenera in the family Helicotomidae include:[3]
References1. ^{{de icon}} Wenz W. A.. (March) 1938. Handbuch der Paläozoologie, 6(1). Page 117. {{Taxonbar|from=Q5705247}}{{paleo-gastropod-stub}}2. ^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 3. ^Helicotomidae. The Paleobiology Database, accessed 13 August 2009. 2 : Prehistoric mollusc families|Paleozoic molluscs |
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