Thalamita sima H. Milne Edwards, 1834
publication ID |
https://doi.org/ 10.50826/bnmnszool.48.2_35 |
persistent identifier |
https://treatment.plazi.org/id/4B248785-4224-A52D-3AB2-A77C2975FBE1 |
treatment provided by |
Felipe |
scientific name |
Thalamita sima H. Milne Edwards, 1834 |
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Thalamita sima H. Milne Edwards, 1834 View in CoL
( Fig. 14D–F)
Material examined. RV Hakuhō Maru KH-72-1 cruise, sta. 30, 1 Ə( CB 20.2 mm including lateral teeth×CL 14.0 mm), NSMT-Cr 30738.
Remarks. Thalamita sima is best characterized by the two-lobed front (this report: fig. 14E; Shen, 1934: fig. 17; Sakai, 1939: pl. 51 fig. 3; Barnard, 1950: fig. 33b; Stephenson and Hudson, 1957: pl. 5 fig. 2; Sakai, 1965: pl. 64 fig. 1; Sakai, 1976: pl. 130 fig. 3; Wee and Ng, 1995: fig. 59A), the pilose carapace surface (this report: fig. 14D, F) and the squamiform sculpture of the palm lower surface (this report: fig. 14E; Mont- gomery, 1931: pl. 29 fig. 2; Shen, 1934: fig. 18a). Of the five anterolateral teeth of the carapace, the fourth is slightly smaller than the others as seen in Fig. 14D of this report. The basal antennal article is armed with a low, smooth, curved crest finely granulated along the margin. Stephensen (1945: fig. 27E), Stephenson and Hudson (1957: fig. 3C), Crosnier (1962: fig. 181), Dai and Yang (1981: fig. 138-1), Wee and Ng (1995: fig. 59D– F) and Apel and Spiridonov (1998: fig. 94) gave fine figures of the G1 with the flared tip, which is close to those of such species as Th. sexlobata Miers, 1886 and Th. picta Stimpson, 1858 , in having the four-lobed front.
Distribution. Widely distributed in the Indo-West Pacific, from Hawaii and Japan to south- wards to New Caledonia and Australia, and westwards to South Africa and the Red Sea. In Japan, this species is not uncommon on rocky shores down to 15 m depth, but otherwise there are some records from deeper waters down to 50 m. The bathymetric range is extended down to 115 m in this report.
RV |
Collection of Leptospira Strains |
CB |
The CB Rhizobium Collection |
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