>Dear Allen,
>
>waitei is a form of mandarinus.
>
>See http://www.seashellsofnsw.org.au/Buccininae/Pages/Penion_mandarinus.htm
>
>Des Beechey, Sydney, Australia

I don't believe that for a moment. Who published this? P. sulcatus
(synonym: mandarinus) is sexually dimorphic (females are larger and
develop peripheral nodes; males tens to lack nodes) but not very
variable. If there are intergrades with P. waitei, I would suggest
hybridization.

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