Posted: Aug 26 2011

 Busycotypus spiratus spiratus (Lamarck, 1816)  Pear Whelk

Although many lump the following in one species or another, I've followed Abbott (American Seashells 1974) and presented them as named forms. 

Busycotypus spiratus spiratus (Lamarck, 1816)
Busycotypus spiratus pyruloides (Say, 1822)
Busycotypus spiratus plagosus (Conrad, 1862)

bss1
bss1
bss2
bss2
bss3
bss3
bss4
bss4
bss5
bss5
bss6
bss6
zzz
zzz