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Marine Invertebrates
Sea Shells, Sea Slugs, Octopuses & allies (Mollusca)
Sea Snails, Limpets (Gastropoda, excluding Euthyneura)
Semicassis (Semicassis) pyrum
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Semicassis (Semicassis) pyrum
(White Helmet)
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Semicassis pyrum - Tasmania (D. Dedenczuk)
836,357
sightings of
23,677
species from
15,540
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