[Taxacom] Question about a malacological rhetorical question

David Campbell pleuronaia at gmail.com
Fri Jan 23 06:26:20 CST 2015

There have been some studies on hybridization in oysters.  It's difficult
to be absolutely certain there's no contamination, though, when dealing
with marine external fertilization.

On Thu, Jan 22, 2015 at 5:30 PM, Adam.N.Jenkins13 at gmail.com <
adam.n.jenkins13 at gmail.com> wrote:

> Hello all,
> One for all the marine malacologists out there.
> In /Taxonomic Problems of the Genus Olivia/ by Bernard Tursch the author
> asks a rhetorical question regarding delimination of species in marine
> molluscs "has any species of marine mollusc ever been defined by direct
> proof of reproductive barriers?" In the context of the paper the author  is
> emphasisng the use of morphospecies as an indirect approach to the
> biological species concept. It got me wondering in the 7 years since the
> publication of this paper has there been any species of marine mollusc
> deliminated solely by evidence of reproductive barriers? Any further
> reading would be greatly appreciated.
> Thank you,
> Adam Jenkins
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Dr. David Campbell
Assistant Professor, Geology
Department of Natural Sciences
Box 7270
Gardner-Webb University
Boiling Springs NC 28017

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