MolluscaBase name details
Pyrazus quinquecostatus var. irregularis Egoyan, 1955 †
1829718 (urn:lsid:marinespecies.org:taxname:1829718)
uncertain > unassessed
Variety
marine, fresh, terrestrial
fossil only
Egoyan [Egojan], V. L. (1955). Verkhnemelovyye otlozheniya yugo-zapadnoy chasti Armyanskoy [Upper Cretaceous deposits of south-western Armenian SSR]. Izdatel'stvo Akademii nauk SSSR, Yerevan, 271 pp. + 13 pls., available online at https://www.geokniga.org/books/30088
page(s): 228-230, pl. 11, fig. 4 [details] Available for editors
[request]
page(s): 228-230, pl. 11, fig. 4 [details] Available for editors
[request]
Type locality contained in Armenia
type locality contained in Armenia [details]
MolluscaBase eds. (2025). MolluscaBase. Pyrazus quinquecostatus var. irregularis Egoyan, 1955 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1829718 on 2025-09-11
Date
action
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The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Egoyan [Egojan], V. L. (1955). Verkhnemelovyye otlozheniya yugo-zapadnoy chasti Armyanskoy [Upper Cretaceous deposits of south-western Armenian SSR]. Izdatel'stvo Akademii nauk SSSR, Yerevan, 271 pp. + 13 pls., available online at https://www.geokniga.org/books/30088
page(s): 228-230, pl. 11, fig. 4 [details] Available for editors [request]
page(s): 228-230, pl. 11, fig. 4 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
