David,

> I have a distinct memory of an illustration of a lobster with bivalves
> attached to the ventrum. I'm at work, so I don't have it handy. I think it
> was in the 1st edition of American Seashells (and in the 2nd?).
>
> Does anyone know what I'm talking about?
>
> David Kirsh

This is from the Chapter 27 by Coan and Valentich-Scott in The Mollusks: A
Guide to Their Study, Collection, and Preservation (2006):

27.4.6 Commensal species. Other specialized habitats for marine bivalves
that are often overlooked include those living commensally (e.g.,
Neaeromya, Mysella, Rochefortia) on hermit and sand crabs, segmented and
peanut worms, or attached to other invertebrates or in their burrows.
Often small bivalves are found on the abdomen and telson of burrowing
crustaceans. Some polychaetes, such as the chimney worm Diopatra cuprea
(Bosc, 1802), collect small mollusks, including small bivalves, to
construct their tubes.

Yes, I too remember an illustration in the 1st. ed of American Sheashells
showing a bivalve attached to the telson of a crustacean.
Regards,
Charie
.................................................
Research Associate - Section of Mollusks
Carnegie Museum of Natural History
Pittsburgh, PA, USA

Assistant Professor - Family Medicine

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