MolluscaBase name details
Didacna obliquetrigona var. triquerta Pravoslavlev, 1939 †
1580415 (urn:lsid:marinespecies.org:taxname:1580415)
uncertain > taxon inquirendum
Variety
fossil only
Pravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274.
page(s): 241-242, pl. 6, figs 22-25 [details] Available for editors
[request]
page(s): 241-242, pl. 6, figs 22-25 [details] Available for editors
[request]
Type locality contained in South European Russia
type locality contained in South European Russia [details]
Status Yanina (2005) considered the variety and the parent species obliquetrigona as synonyms of Didacna catillus grimmi...
Status Yanina (2005) considered the variety and the parent species obliquetrigona as synonyms of Didacna catillus grimmi Pravoslavlev, 1939. That taxon was, in turn, considered a synonym of Didacna subrudis Pravoslavlev, 1939 by Nevesskaja (2007) [which was also listed in synonymy of Didacna catillus grimmi by Yanina 2005]. However, Nevesskaja (2007) considered D. obliquetrigona as a distinct species. Thus, the status of the variety remains uncertain. [details]
MolluscaBase eds. (2025). MolluscaBase. Didacna obliquetrigona var. triquerta Pravoslavlev, 1939 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1580415 on 2025-09-11
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original description
Pravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274.
page(s): 241-242, pl. 6, figs 22-25 [details] Available for editors [request]
source of synonymy Yanina, T.A. (2005). Didakny Ponto-Kaspiya [Didacnas of the Ponto-Caspian Region]. Majenta, Moscow-Smolensk, 300 pp.
page(s): 223 [details] Available for editors [request]
page(s): 241-242, pl. 6, figs 22-25 [details] Available for editors
[request]source of synonymy Yanina, T.A. (2005). Didakny Ponto-Kaspiya [Didacnas of the Ponto-Caspian Region]. Majenta, Moscow-Smolensk, 300 pp.
page(s): 223 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Status Yanina (2005) considered the variety and the parent species obliquetrigona as synonyms of Didacna catillus grimmi Pravoslavlev, 1939. That taxon was, in turn, considered a synonym of Didacna subrudis Pravoslavlev, 1939 by Nevesskaja (2007) [which was also listed in synonymy of Didacna catillus grimmi by Yanina 2005]. However, Nevesskaja (2007) considered D. obliquetrigona as a distinct species. Thus, the status of the variety remains uncertain. [details]
