MolluscaBase name details
Ectenoceras pergracilis Kobayashi, 1933 †
1865838 (urn:lsid:marinespecies.org:taxname:1865838)
unaccepted > nomen nudum
Species
marine, brackish, fresh, terrestrial
fossil only
Kobayashi T. (1933). Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids. <em>Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology.</em> 3(7): 249-328.
page(s): 320 [details]
page(s): 320 [details]
MolluscaBase eds. (2026). MolluscaBase. Ectenoceras pergracilis Kobayashi, 1933 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1865838 on 2026-08-07
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original description
Kobayashi T. (1933). Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids. <em>Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology.</em> 3(7): 249-328.
page(s): 320 [details]
page(s): 320 [details]