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Isospiridae is an extinct family of fossil sea snails, Paleozoic gastropod mollusks.

This family is unassigned to superfamily. This family has no subfamilies according to the taxonomy by Bouchet & Rocroi (2005). It is classified as "Basal taxa that are certainly Gastropoda" by Bouchet & Rocroi (2005).

Genera

• Isospira Koken, 1897 - type genus of the family Isospiridae. Species include:
  • Isospira bucanioides Koken, 1897
  • Isospira huttoni Cowper Reed, 1921
  • Isospira lepida Perner, 1903
  • Isospira nautilina Koken & Perner, 1925
  • Isospira reinwaldti Öpik, 1930
  • Isospira reticulatus Wängberg-Eriksson, 1964 - synonym: Isospira reticulata

Taxonomy

Peter J. Wagner consider Isospiridae as synonym of Cyrtonellidae within Tergomya, The Paleobiology Database has become adatapted to this unpublished opinion by Wagner. This alternate taxonomy is as: Tergomya, Cyrtonellida, Cyrtonellidae.

References

1. Wangberg-Eriksson K. (1964). "Isospira reticulata n. sp. from the Upper Ordovician Boda Limestone, Sweden". Geologiska Föreningen i Stockholm Förhandlingar 86(3): 229-237.
2. ^ Bouchet, P.; Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia. 47 (1–2).
3. "Isospira". The Paleobiology Database, accessed 26 February 2010.
4. Wagner P. J. (2008). "Paleozoic Gastropod, Monoplacophoran and Rostroconch Database".
5. ^ "Cyrtonellidae" The Paleobiology Database. Accessed 26 February 2010.

• Isospiridae