Montgomery, 1931
Front 6-lobed, lobes widely separated, lateral lobes separated from submedians by a deeper notch than for Thalamita prymna; first antero-lateral tooth entire; fourth antero-lateral tooth small or absent; basal antennal joint with short, sharply raised area bearing 3-5 spines. Palm of cheliped with inner to lower surface strongly granular. Ventrodistal border of merus of each leg without a spine. Male first gonopod with distal tip not sharply bent, basal lobe with slightly convex lateral border. (Davie 1999)
Type locality: Abrolhos Islands, Western Australia.
Range: Japan - Tokyo Bay (Ortmann, 1893), Okinawa (Parisi, 1916), north of Tanegashima (Yokoya, 1933), Shimoda (Sakai, 1935), Tateyama Bay, Misaki, Shimoda, Ise Bay, Kii Peninsula and Nagasaki (Sakai, 1939), Hachijo-jima (Sakai, 1954), Sagami Bay (Sakai, 1965b), Tanegashima (Minei, 1971), Misaki (Stephenson, 1972a), from Boso Peninsula to Okinawa (Sakai, 1976a), Ishigaki-jima (Miyake, 1983); Korea - Cheju-do (Kim, 1970, 1973); Taiwan - (Lin, 1949), T'ai-pei Province, Wanlitung, Chi-lung, and Lan-Yü (Huang & Yu, 1997); China - Paracel Island (Chen, 1975), Guangxi, Paracel Islands, and Hainan Island (Dai & Yang, 1991); Singapore (Shen, 1937); South China Sea - Horsburgh Lighthouse (Shen, 1937); Australia - Abrolhos Islands (Montgomery, 1931), Moa I., Murray I., Woody I., Low Isles, Orpheus I., Holbourne I., Hope I., Hayman I., Bate Reef, Port Curtis, Heron I., Shellharbour, Lord Howe Island, S. Shell I. and Port Darwin (Stephenson & Hudson, 1957); New Caledonia - Nouméa and Ile des Pins (Takeda & Nunomura, 1976); Samoa (Parisi, 1916).