Cyrtoneritimorpha

Cyrtoneritimorpha; Temporal range: Early Ordovician–Late Permian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Neritimorpha
Clade:	†Cyrtoneritimorpha
Families
	Orthonychiidae; Vltaviellidae

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Cyrtoneritimorpha, also Cyrtoneritida,^[2] is a clade of fossil sea snails, marine gastropod mollusks within the clade Neritimorpha.

This order contains two extinct families: Orthonychiidae and Vltaviellidae.

References

^ Frýda, J. (1999). Higher classification of Paleozoic gastropods inferred from their early shell ontogeny. Journal of the Czech Geological Society, 44(1-2), 137–154. Retrieved from http://www.jgeosci.org/index.php?pg=detail&ID=JCGS.781
^ Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. ISSN 0076-2997. S2CID 91051256.

The Paleobiology Database

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[1] Frýda, J. (1999). Higher classification of Paleozoic gastropods inferred from their early shell ontogeny. Journal of the Czech Geological Society, 44(1-2), 137–154. Retrieved from http://www.jgeosci.org/index.php?pg=detail&ID=JCGS.781

[Bouchet_2017-2] Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. ISSN 0076-2997. S2CID 91051256.

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