The Lampropidae (Crustacea: Cumacea) of the World Author Gerken, Sarah text Zootaxa 2018 2018-06-01 4428 1 1 192 journal article 22652 10.11646/zootaxa.4428.1.1 e10e53f2-0e1b-46f6-8b0f-af19d5529711 1175-5326 3769771 2419A7F0-5AED-47EC-86BB-06AADB2A4BD9 Alamprops tenuis (Tsareva & Vassilenko, 2006) n. comb. Lamprops tenuis Tsareva & Vassilenko, 2006: 42 , figs 1–2. Type material . Holotype : ZIN-1/88378, preparatory female. Paratypes : ZIN-2/88379, 2 females , 1 juvenile ; ZIN- 3/88411, juvenile; ZIN-4/88412, 2 juveniles ; ZIN-5/88413, juvenile; ZIN-6/883414, juvenile; ZIN-7/88415, female. Peter the Great Bay , Sea of Japan . Not seen . Diagnosis . Carapace with 1 lateral ridge; eyelobe without lenses, not extending to anterior border of pseudorostrum. Telson with 4 lateral setae, 5 terminal setae, central seta stout, outer pair longest. Uropod peduncle without medial setae; uropod exopod article 1 0.6 length of article 2. Male unknown. Depth . 3–17 m . Distribution Peter the Great Bay, Sea of Japan . Remarks . Alamprops tenuis has a unique combination of characters in the genus of a single ridge on the carapace and four pairs of lateral setae on the telson; A. lomakinae also has a single ridge on the carapace, but has no lateral setae on the telson. The only similar species in Lamprops is L. beringi , which has a similar carapace with strong lateral ridge. However, in L. beringi there are only three setae terminally on the telson, wherease in A. tenuis there are five terminal setae on the telson.