Knobbed Whelk, Busycon carica, form eliceans Montfort , 1810.
Knobbed Whelk, Busycon carica, form eliceans Montfort , 1810.
juvenile Knobbed Whelk, Busycon carica, Gmelin, 1791.
| A; the animal | B; the shell |
|---|---|
| a - yolk | h - protoconch |
| b - gill | |
| c - proboscus | |
| d - antannea | |
| e - siphon | |
| f - foot | |
| g - efferent branchial artery |
Lightning Whelk, Busycon sinistrum, (Hollister, 1958).
| Top viewof the shell. | Posterior view of the shell |
| Notice how the shell coils counter-clockwise. | |
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