> More recently, workers such as Bill Lyons have indicated there is
> sufficient difference between Murex trapezium Linnaeus, 1758 (an Indo-West
> Pacific species) and the Horse Conch to warrant separate genera for the two,
> and, for what it is worth, I agree.

Myra Keen (1971) expressed similar thoughts regarding the difference
between the eastern Pacific horse conch (princeps) and trapezium,
though without noticing the availability of Triplofusus.  papillosa is
cited with a question mark as a synonym of gigantea.


--
Dr. David Campbell
425 Scientific Collections
University of Alabama
"I think of my happy condition, surrounded by acres of clams"

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