Whelk egg cases
Each species egg case has a unique shape
a - Pear Whelk,
Busycotypus spiratum pyruloides
(Say, 1822)
b - Knobbed Whelk,
Busycon carica
Gmelin, 1791
c - Lightning Whelk,
Busycon sinistrum
Hollister, 1958
d - Channeled Whelk,
Busycotypus canaliculatus
(Linné, 1758)
Last updated February 3, 1997
Return to the
Whelk page