Dear Dan.
"Polinices orbicularis Numland" actually should read Euspira orbicularis
(Nomland, 1916) and was described by Jorgen O. Nomland as "Natica (Neverita)
orbicularis" in the Bulletin of the Department of Geology, University of
California Publications vol. 9, No. 14, pp. 199-214, pls. 9-11. The
description is on p. 207 and the species is figured on pl. 10, figs. 4a-4b.
The type is described as being 38 mm high, 44 mm in diameter, and the
species is said to be "...found at numerous localities in the Jacalitos and
Etchegoin".
According to the monograph on Northeastern Pacific Naticidae by Louis
Marincovich (Bull. Amer. Paleont. vol. 70, No.294, 1977, pp. 169-494, pls.
17-42) this taxon is a junior synonym of Euspira galianoi (Dall, 1909). In
the original description, Euspira orbicularis (Nomland, 1916) was not
compared to Euspira galianoi (Dall, 1909); it was only compared to and
differentiated from Neverita recluziana (Deshayes, 1839).
Hope this info helps,
Best regards,
Michael
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Michael Hollmann
Stockumer Heide 44
D-58454 Witten
Germany
Tel.: (49)-(0)2302-944-255
FAX: (49)-(0)234-320-4225
e-mail: [log in to unmask]
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> To the Naticidae experts in the group,
> Today I received from an old collection a shell labeles Polinices
> orbicularis Numland ND from off Humboldt Bay, California. I have searched
> the internet, and many other references but, as of yet, have had no luck
> finding anything close to a connection. Does anyone know when this species
> was named or whether it might be a synonym for another species?
> Thank you in advance for any help given.
> Dan Yoshimoto
>
> Dan, Hiromi & Kuma Yoshimoto
> 1164 Vista Dr.
> Eureka, California
> 95503-6018
> U.S.A.
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