Maine
- Type:
- shipwreck, steamer, USA
- Built:
- 1891, USA
- Specs:
- ( 310 x 44 ft ) 1505 gross tons
- Sunk:
- Wednesday February 4, 1920
pushed onto rocks by pack ice - no casualties - Depth:
- 15 ft
low debris field
These creatures are all of the order Gastropoda - having a single, often coiled, shell, as opposed to the bivalves, which have two matching shells. Most snails are hermaphroditic. Also, most snails have a right-hand twist to the shell, although there are exceptions.
Right:
X-ray image of a Channeled Whelk, showing internal structure.
Nudibranchs are a form of snail that has lost its shell, while Corollas and Sea Butterflies are snails that have abandoned not just their shells, but the snail-like existence entirely, swimming up into the water column as plankton.
More: Snails ...
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