>My opinion was partially based on communication with divers who have
collected >both species and claim that the two don't occupy the same habitat.
This could just as well be evidence that they are the same species that
develops in different ways in different habitats. For example, whether Turbo
cornutus grows spines depends on how much wave action it is subjected to.
Gary
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Gary Rosenberg, Ph.D. [log in to unmask]
Malacology & Invertebrate Paleontology gopher://erato.acnatsci.org
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