Dear Harry,

indeed my identification of N.vibex is based on Rios (1994).
Thanks for the correction! Now i need to update my labels...

regards
Fabio W.

--- "Harry G. Lee" <[log in to unmask]> escreveu:

> Dear Fabio,
>
> I see that you agree with Rios (1994) and
> Cernohorsky (1975) on the Brasilian Nassarius
> (Phrontis) species being N. vibex (Say, 1822).
> Rios considered N. polygonatus (Lamarck) to be a mere form if
> the former taxon.
>
> I respectfully disagree based on review of 30
> lots of Nassarius polygonatus  (Lamarck, 1822)
> and 35 of Nassarius vibex  (Say, 1822) in my
> collection. This is my read on the taxonomic situation:
>
> Nassarius polygonatus (Lamarck, 1822):N.
> antillarum (Philippi, 1848) [non (d’Orbigny,
> 1842)] and N. cinisculus (Reeve, 1853) are
> synonyms. Brasilian shells (HL) identical to
> specimens collected at Big Talbot Is., Duval Co.,
> Florida. Differs from Nassarius vibex (Say, 1822)
> (next species) in having the left and anterior
> margins of the parietal shield broad and rounded
> rather than narrow and truncated respectively. In
> N. vibex the strong denticle on the posterior
> parietal callus is parallel to the axis of shell;
> in N. p. it is aligned obliquely, pointing toward
> the mid-labrum. N. p. is usually darker, more
> elongate, and has shorter axial ribs. Opercula
> and protoconchs (conical; 2.2 whorls) identical
> in form. For range see under next species. Also
> several east Florida counties and Pinellas Co.
> (Marlo Krisberg!). Not treated by Abbott (1974)
> nor known to us as a Florida fossil. Egg capsules
> and embryos (misidentified as N. vibex)
> illustrated by Winner (1985). In a  sample
> (n=200) taken on Big Talbot Is. on 9/8/02 over
> 50% of animals were immature; 22 of 23 N. vibex
> taken with them were adult. With N. vibex belongs
> in the New World generic unit Phrontis H. and A.
> Adams, 1853: 117-118; type: Buccinum tiarula
> Kiener, 1841 from the Panamic Province.
>
> Nassarius vibex (Say, 1822): A Carolinian species
> not synonymous with either N. polygonatus
> (Lamarck, 1822), the preceding species, or N.
> cinisculus (Reeve, 1853) despite Cernohorsky’s
> (1975) analysis. Furthermore, his illustrated
> syntype of N. antillarum (d’Orbigny, 1842)
> (apparently a specimen of N. polygonatus) is so
> unlike d’Orbigny’s original figure as to cast
> strong doubt on the suggestion of synonymy of
> that taxon with N. vibex, which likely does not
> occur in Cuba (type locality of N. antillarum)
> or, for that matter, N. polygonatus. The latter
> is syntopic with N. vibex in Biscayne Bay (Ollie
> McCausland, in litt., 7/13/91), Brevard Co.
> [HL!(HL)], St. Augustine [PP!(HL)], and Big
> Talbot Is. [HL!(HL)]. N. vibex is absent from
> Bermuda, Honduras to Brasil, and the West Indies;
> N. polygonatus occurs in all these locations [HL;
> Colin Redfern (Bahamas), in. litt., 4/15/96;
> Sarasúa (1984b), who misidentified Cuban N.
> polygonatus as N. vibex]. Common as a
> Plio-Pleistocene fossil in Florida. Roopnarine
> and Vermeij (2000) issued a caveat against
> applying the name N. vibex to material of true Caribbean
> origin.
>
> Harry
>
>
> At 10:40 AM 8/21/2006, you wrote:
> >Dear Kay,
> >
> >...............Florianopolis has more than 34
> >beaches, varying form high energy
> >to very calm, muddy beaches, with mangrooves. Common shells
> are
> >Donax hanleyanus, Macoma cleryana, Nassarius vibex,
> >Olivancillaria vesica, Hastula hastata,
> etc.....................
>
> Harry G. Lee, M. D.
> 4132 Ortega Forest Dr.
> Jacksonville, FL 32210 USA
> voice (904) 389 4049
> email: [log in to unmask]
> look at www.jaxshells.org
>









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