>Why? since the only place I have found Littorina angulifera is high in
trees, >is this specie not a Tree shell instead of a marine shell? John Bernard
Because it is tied to the ocean for reproduction--it has planktonic
veligers. The species is currently called Littoraria angulifera (Angulate
Periwinkle).
Gary
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Gary Rosenberg, Ph.D. [log in to unmask]
Malacology & Invertebrate Paleontology gopher://erato.acnatsci.org
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