Abstract
A new species of the priscomilitarid amphipod, Priscomilitaris heike, from the Seto Inland Sea, Japan, is named and described. This new species is the third species of Priscomilitaridae and the second species of Priscomilitaris. Additionally, nucleotide sequences of nuclear 28S rRNA and histone H3 as well as mitochondrial cytochrome c oxidase subunit I from its holotype were determined. Priscomilitaris heike sp. n. is distinguished from its congener, Priscomilitaris tenuis Hirayama, 1988, by having deep antennal sinus, long flagellar article 1 of antennae 1 and 2, long mandibular palp article 2, 10 robust setae on outer ramus of maxilla 1, and rounded epimeral plates. A key to the species of Proscomilitaridae is provided.
Highlights
Priscomilitaridae Hirayama, 1988 is a small family of amphipods comprising two monotypic genera Priscomilitaris Hirayama, 1988 and Paraphotis Ren, 1997 from coastal waters in Japan and China (Hirayama 1988; Ren 1997; Myers and Lowry 2003)
Priscomilitaris was erected by Hirayama (1988) along with a new species P. tenuis
During field surveys of marine crustaceans in the Seto Inland Sea made by HT, an undescribed species of Priscomilitaris was collected
Summary
Priscomilitaridae Hirayama, 1988 is a small family of amphipods comprising two monotypic genera Priscomilitaris Hirayama, 1988 and Paraphotis Ren, 1997 from coastal waters in Japan and China (Hirayama 1988; Ren 1997; Myers and Lowry 2003). During field surveys of marine crustaceans in the Seto Inland Sea made by HT, an undescribed species of Priscomilitaris was collected.
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