Coreospiridae is an extinct

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Paleozoic The Paleozoic ( , , ; or Palaeozoic) Era is the first of three Era (geology), geological eras of the Phanerozoic Eon. Beginning 538.8 million years ago (Ma), it succeeds the Neoproterozoic (the last era of the Proterozoic Eon) and ends 251.9 Ma a ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

s of uncertain position

taxonomic 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation ...

ally. They might be

snail A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial molluscs, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gas ...

s (

Gastropoda Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

Helcionelloida Helcionelloida is an extinct group of ancient molluscs (phylum Mollusca). These are the oldest known conchiferan molluscs, that is, they had a mineralised shell. Some members of this class were mistaken for Monoplacophorans. The class was ere ...

, or they might be

Monoplacophora Shell of Monoplacophora Monoplacophora , meaning "bearing one plate", is a polyphyletic class of molluscs with a cap-like shell, inhabiting deep sea environments. Extant representatives were not recognized as such until 1952; previously they wer ...

2005 taxonomy

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdes A. & 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 Coreospiridae in the superfamily

Scenelloidea Scenelloidea is an extinct superfamily of paleozoic molluscs of uncertain position (Gastropoda, Helcionelloida, or Monoplacophora). Families Based on the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) families in the Scenelloidea inclu ...

within the Paleozoic molluscs of uncertain systematic position.

2006–2007 taxonomy

According to P. Yu. Parkhaev, the family Coreospiridae is in the family

Helcionelloidea Helcionellid or Helcionelliformes is an order of small fossil shells that are universally interpreted as molluscs, though no sources spell out why this taxonomic interpretation is preferred. These animals are first found about in the late Nemak ...

( Wenz, 1938) in the order

Helcionelliformes Helcionellid or Helcionelliformes is an order of small fossil shells that are universally interpreted as molluscs, though no sources spell out why this taxonomic interpretation is preferred. These animals are first found about in the late Nemak ...

(Golikov &

Starobogatov Yaroslav Igorevich Starobogatov (; 13 July 1932 – 3 December 2004) was a Russian zoologist, professor and chief scientist at the Zoological Institute of the Russian Academy of Sciences. His research was on invertebrate zoology, particularly on ...

, 1975) within the subclass Archaeobranchia (Parkhaev, 2001) in the class

(Peel, 1991).

Genera

Genera in the family Coreospiridae include: * '' Coreospira'' Saito, 1936 -

type genus In biological taxonomy, the type genus (''genus typica'') is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International Code of Zoological Nomenclature, "The name-bearin ...

of the family Coreospiridae * ''

Latouchella ''Latouchella'' is an extinct genus of marine invertebrate animal, that is considered to be a mollusk and which may be a sea snail, a gastropod. It is a helcionellid from the Tommotian epoch of what is now Siberia. Its tightly coiled, spiral ...

'' * '' Owenella'' Ulrich & Scofield, 1897 ** '' Owenella antiquata'' (Whitfield, 1878) - synonym: ''Bellerophon antiquata'' Whitfield, 1878 Whitfield R. P. 1878. ''Preliminary descriptions of new species of fossils from the lower geological formations of Wisconsin''. Annual Report of the Wisconsin Geological Survey for 1877:50-89.

References

* Knight, J. B. (1947). ''Some new Cambrian bellerophont gastropods.'' Smithsonian Miscellaneous Collections. 106(17): 1−11, pls. 1−2 {{Taxonbar, from=Q5170291