Orientomysis leptura ( Liu and Wang, 1980 ) Fukuoka & Murano, 2005

Fukuoka, Kouki & Murano, Masaaki, 2005, A revision of East Asian Acanthomysis (Crustacea: Mysida: Mysidae) and redefinition of Orientomysis, with description of a new species, Journal of Natural History 39 (9), pp. 657-708 : 677-678

Orientomysis leptura ( Liu and Wang, 1980) comb. nov.

Acanthomysis leptura Liu and Wang 1980: 324 , 325, Figure 3 ; 1986: 195; Müller 1993: 194 (list); Wang and Liu 1997: 216; Liu and Wang 2000: 247, 248, Figure 92.

Type locality

20 ° 309N, 111 ° 009E, off Guangdong, southern China .

Material examined

One male (6.1 mm) and one immature female (5.2 mm), 20 ° 159N, 111 ° 009E, off Guangdong, southern China, 30 m, fine sand bottom, 26 April 1959, on loan from Liu and Wang .

Remarks

Orientomysis leptura is similar to O. pseudomitsukurii and O. tenella in the abdominal somites without spines and the shape of the telson. Morphological differences among the three species are summarized in Table V.

Distribution

This species is known only from China: the South China Sea off Guangdong ( Liu and Wang 1980) and the East China Sea off Zhejiang ( Wang and Liu 1997).

This species was collected from depths of 6–32 m in the South China Sea ( Liu and Wang 1980) and from depths of 11–63 m in the East China Sea ( Wang and Liu 1997).

Figures

Figure 3. Orientomysis japonica Marukawa, 1928. (A) First to sixth abdominal somites, lateral; (B–E) telson, dorsal. (A) Male (11.0 mm), Tateyama Bay, Pacific, NSMT-Cr 15562; (B) male (11.0 mm), Tateyama Bay, NSMT-Cr 15562; (C) male (14.2 mm), Uchiura Bay, Pacific, NSMT-Cr 15560; (D) female (17.0 mm), Kashima, Pacific, NSMT-Cr 15570; (E) male (10.6 mm), Japan Sea side of Aomori, NSMT-Cr 15571.