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Taxon profile

species

Calliostoma hendersoni Dall, 1927

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Trochida »  family Calliostomatidae »  genus Calliostoma

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Calliostoma hendersoni

Author: Bayer, F.M.

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Interchangeable taxa

The umbilicus of this species is rather narrow and usually open, but the specimen from G-866 has the umbilicus filled with callus, leaving only a pit-like umbilical depression. Abbott (1974) suggests that this is only a form of C. psyche. However, C. hendersoni can easily be distinguished from C. psyche by its generally open umbilicus, smooth basal cords and completely different radula (see Clench & Turner, 1960: pi. 7, figs. 1 & 4). The two species are also found in the same geographical area (the Florida Keys) and the same depth range (about 200 m). I must therefore consider C. hendersoni a distinct species.
Quinn J F 1979 - The systematics and zoogeography of the gastropod family Trochidae collected in the Straits of Florida and its approaches

Distribution

C. hendersoni is found only along the Florida Keys, from off Alligator Reef (Bayer, 1971) to SE of Key West.
Bathymetric range: This species has a possible depth range of 133 to 288 m, but seems to be found most frequently near 200 m.
Quinn J F 1979 - The systematics and zoogeography of the gastropod family Trochidae collected in the Straits of Florida and its approaches
Author: Jan Delsing

Similar species

Calliostoma psyche Dall, 1888

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