Periaulax

Periaulax
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Family:	Trochidae
Genus:	† Periaulax ; Cossmann, 1888

Last updated January 27, 2026

Periaulax is an extinct genus of gastropods in the family Trochidae.

Species

Species in the genus Periaulax include:

Periaulax rimosus^[2]
Periaulax tsheganica Amitrov, 2010 - It existed in what is now Kazakhstan during the Eocene period.^[3]

It formerly contained the species Periaulax spiratus, which is currently recognized as Margarites spiratus.^[4]

References

↑ Cossmann (1888). Ann. Soc. malac. Belgique23: 62.
↑ Kollmann H. A. & Odin G. S. (2001) "Chapter D2 Gastropods from the Upper Cretaceous geological site at Tercis les Bains (SW France)". Developments in Palaeontology and Stratigraphy 19: 437-451. doi : 10.1016/S0920-5446(01)80045-5.
↑ Amitrov O. (2010). "Gastropods of rare families from the Tshegan Formation of Kazakhstan". Paleontological Journal 44(4): 384-390. doi : 10.1134/S0031030110040039.
↑ (1984). Annales de la Société royale zoologique de Belgique , Published by the Society 114-116: 316.

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[1] Cossmann (1888). Ann. Soc. malac. Belgique23: 62.

[2] Kollmann H. A. & Odin G. S. (2001) "Chapter D2 Gastropods from the Upper Cretaceous geological site at Tercis les Bains (SW France)". Developments in Palaeontology and Stratigraphy 19: 437-451. doi : 10.1016/S0920-5446(01)80045-5.

[Amitrov_2010-3] Amitrov O. (2010). "Gastropods of rare families from the Tshegan Formation of Kazakhstan". Paleontological Journal 44(4): 384-390. doi : 10.1134/S0031030110040039.

[4] (1984). Annales de la Société royale zoologique de Belgique , Published by the Society 114-116: 316.

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