Notostomus

Cardoso, Irene & Contents, Paulo Young Table Of, 2005, Deep-sea Oplophoridae (Crustacea Caridea) from the southwestern Brazil, Zootaxa 1031 (1), pp. 1-76 : 46

Genus Notostomus A. Milne Edwards, 1881

Notostomus A. Milne Edwards, 1881: 7; Chace, 1986: 52; Holthuis, 1993: 38, fig. 18.

Diagnosis: Rostrum with more dorsal than ventral teeth. Carapace denticulate dorsally; with lateral gastro­orbital carina extending from near orbit to near posterior margin; with two, or more longitudinal carina near ventral margin; branchiostegal groove present, delimited by vertical groove; without hepatic spine. Abdominal somites 3 to 5 with strong dorsal tooth; somite 6 shorter than 5, without dorsal carina. Telson tapering to sharply acute apex; without spinose end piece. Scaphocerite with lateral teeth. Mandible not very dissimilar, incisor process unarmed in half of opposable margin nearest palp. Pereopods with ischium and merus not broadly compressed. Pereopod 4 with epipod vestigial. Appendix masculina present on second pleopod. Eggs small and numerous (more than 80) (modified from Chace 1986).