Marine cave mysids of the genus Palaumysis (Crustacea: Mysidacea), with a description of a new species from the Philippines
Hanamura, Y.; Kase, T. (2002). Marine cave mysids of the genus Palaumysis (Crustacea: Mysidacea), with a description of a new species from the Philippines. J. Nat. Hist. 36(3): 253-263. https://dx.doi.org/10.1080/00222930010004241
In: Journal of Natural History. Taylor & Francis: London. ISSN 0022-2933; e-ISSN 1464-5262
The genus Palaumysis (Crustacea: Mysidacea) was established by Bacescu and Iliffe (1986b) to accommodate the marine cave mysid P. simonae and currently contains only the sole type species. Re-examination of the paratypes of P. simonae and further specimens from the Palau Islands has shown that this species possesses a rudimentary antennal scale, as opposed to having no scale according to the original description, resulting in a substantial revision of the genus, and also provides new information for this poorly known mysid. Furthermore, a second species, P. philippinensis sp. nov., is reported from a submarine cave on the Philippines. The new species differs from P. simonae in having the carapace with a small unfused lobe posteroventrally, the inner flagellum of the antennule consisting of five segments and the antennal scale with a long terminal seta. Larval forms of the new species in the marsupium are also illustrated.
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