Eupilumnus globosus (Dana, 1852)

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Eupilumnus globosus (Dana, 1852)

Globopilumnus globosus — Balss 1933: 7, pl. 1(1, 2).

Taxonomy: Balss (1933: as Globopilumnus ), Guinot-Dumortier (1959: as Globopilumnus ), Ng et al. (2001).

Type locality: Tahiti.

Type: Presumably lost.

Distribution: Eastern Indian Ocean to Central Pacific: from India, South China, Taiwan Strait, Japan, to Central Pacific, reaching Tahiti and Hawaii ( Guinot-Dumortier 1959; Castro 2011).

Habitat: Subtidal; shallow in crevices in rock or coral reef ( Sakai 1976).

Remarks: An earlier taxonomic treatment of this species had been provided by Balss (1933), in which Globopilumnus was established, and a juvenile male specimen from Hong Kong housed in the museum in Copenhagen (now NHMD) was reported. In Balss’s paper (1933), however, Actumnus elegans De Man, 1888 was also cited as a junior synonym of Pilumnus globosus Dana, 1852 , an action considered erroneous by Chopra and Das (1937) and Takeda and Miyake (1969c). Both of these species have been reported from Hong Kong, and are here treated as distinct taxa (for A. elegans , see below under Pilumnidae ). The identity of Balss’ (1933) specimen from Hong Kong should be checked.