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Free Content Biological Results of the University of Miami Deep-Sea Expeditions. 55.

The Larval Stages of Homola Barbata (Fabricius) (Crustacea, Decapoda, Homolidae) Reared in the Laboratory

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Larvae yielded by a female collected off Yucatan were reared to the seventh, and final, zoeal stage at 20°C and 36.2‰ salinity. The larvae, the first complete series available of any species of the family, are described and illustrated. Comparison of the reared larvae with others attributed to the same species but captured in Mediterranean and South African waters confirmed the morphological differences which previously had led to suggestions of specific or subspecific separation of the parent populations. Examination of adult material failed to reveal positive evidence of specific status of the separated populations. The setation of the uropodal endopods in Homola appears in the third zoeal stage, earlier than for any other decapod known. Recent studies of larval forms tend to confirm the view that the Homolidae are related to the Raninidae and are close to the line of descent of the true crabs, and that the family is well separated from both the typical Anomura and the much more primitive Dromiidea.

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Document Type: Research Article

Publication date: 1970-06-01

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