Omphalocirridae is an extinct
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of
Paleozoic
The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon.
The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838
by combining the Greek words ''palaiós'' (, "old") and ' ...
molluscs (
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
s?)
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[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. . ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278] categorizes Omphalocirridae in the superfamilia
Euomphaloidea
Euomphaloidea, originally Euomphalacea, is an extinct superfamily of marine molluscs that lived from the Early Ordovician to the Late Cretaceous, included in the Gastropoda Moore R. C., Lalicker & Fischer (1952). ''Invertebrate Fossils''. McGraw ...
within the
Paleozoic molluscs with anisostrophically coiled shells of uncertain position (Gastropoda?). This family has no subfamilies.
Genera
Genera in the family Omphalocirridae include:
* ''
Omphalocirrus'' Ryckholt, 1860 -
type genus of the family Omphalocirridae - synonyms: ''Hypomphalocirrus'' and ''Arctomphalus''.
* ''
Liomphalus''
References
Prehistoric gastropods
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