Phylum Arthropoda
Subphylum Crustacea
Class Eumalacostraca
Order Mysidacea
Family Mysidae
Heteromysoides dennisi Bowman, 1985
Taxonomic Characterization: H. dennisi can be distinguished from the other
eight species
in the genus by the presence of a spiniform process at the distolateral corner of the eyestock and
the absence of an apical fissure in the telson. Additional characters of H. dennisi are the
absence of spines on the uropodal endopod and the well-developed endite on the maxillipeds.
Ecological Classification: Stygobitic
Size: Adult length up to 2.6 mm.
Number of Species in Genus: Nine, three stygobitic
Genus Range:
- Bahamas:
- Grand Bahama: H. dennisi Bowman, 1985
- Cuba: H. spongicola Bacescu, 1968
- Canary Islands: H. cotti (Calman, 1932)
- Atlantida Tunnel (Jameos del Agua) and nearby anchialine pools reported in
Wilkens, Parzefall,
Ocaña & Medina, 1993
- Australia: H. longiseta Bacescu, 1983; H. macrops Murano,
1988; H. nana Murano, 1998; H. sahulensis Murano 1998
- Japan:
- Okinawa in submarine caves: H. simplex Hanamura and Kase, 2001
- Somalia: H. berberae Bacescu & Miller, 1985
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Species Range: Known only from Cemetery Cave, Grand Bahamas Island, Bahamas
Habitat: Ocean blue holes
Ecology: Collected specimens were free-swimming at a depth of 17 m in an
ocean blue hole.
Conservation Status: Restricted to a single ocean blue hole off the south coast of Grand
Bahama Island, Bahamas
References:
- Bowman, T. 1985. Heteromysoides dennisi, a new mysidacean crustacean from Cemetery
Cave, Grand Bahama Island. Proceedings of the Biological Society of Washington, 98(4): 945-948, 2 figures.
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Links:
Contributor: Giuseppe L. Pesce, University of L'Aquila, Italy
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