†Holopeidae 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
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 ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
s.
[MolluscaBase eds. (2022). MolluscaBase. Holopeidae Cossmann, 1908 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=833729 on 2022-11-12] These molluscs were stationary epifaunal suspension feeders.
This family is unassigned to superfamily. This family has no subfamilies.
Genera
Genera in the family Holopeidae include:
* ''
Cyclora''
* ''
Eopagodea''
* ''
Holopea'' J. Hall, 1847
* ''
Pachystrophia'' Perner, 1903
* ''
Ptychonema'' Perner, 1903
* ''
Raphistomina'' Ulrich & Scofield, 1897
[Popov, L. E., Ebbestad, J. O. R., Mambetov, A., & Apayarov, F. K. (2007). A low diversity shallow water lingulid brachiopod-gastropod association from the Upper Ordovician of Kyrgyz Range. Acta Palaeontologica Polonica, 52(1).]
* ''
Sinutropis'' Perner, 1903
but in family
Euomphalidae
Euomphalidae is an extinct family of Paleozoic to early Mesozoic marine molluscs which may be gastropods with anisostrophically coiled shells (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
The shells show a selenizone ...
accessed 15 November 2017
* '' Umbospira'' Perner, 1903
References
External links
Paleozoic
{{paleo-gastropod-stub