What used to be the Turridae is notoriuos for species-pairs, and
there was a paper written on this.
Bouchet P 1990, "Turrid genera and mode of development: The use and
abuse of protoconch morphology", Malacologia 32(1): 69-77
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Andrew Grebneff
Dunedin, New Zealand
64 (3) 473-8863
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Fossil preparator
Seashell, Macintosh & VW/Toyota van nut
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I want your sinistral gastropods!
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Q: Because it reverses the logical flow of conversation.
A: Why is top posting frowned upon?