Pacificabathynella Schminke and Noodt, 1988

Camacho, A. I., Newell, R. L. & Reid, B., 2009, New records of Bathynellacea (Syncarida, Bathynellidae) in North America: three new species of the genus Pacificabathynella from Montana, USA, Journal of Natural History 43 (29 - 30), pp. 1805-1834 : 1809

Pacificabathynella Schminke and Noodt, 1988

Amended diagnosis

A.I and A.II seven-segmented. Md with two teeth on incisor process (pars incisiva), processus incisivus accessorius with one tooth and one seta-like tooth, pars molaris with two structures bidentate, parallel to main axis of teeth, most distal tooth very strong with apical denticles. Labrum with a small protuberance. Th. VI and VIII sexually dimorphic. Male Th. VI with three-segmented endopod, second segment broad and dilated with strong curved seta at outer margin; first segment also broader than usual. Female Th. VI with four-segmented endopod and setal formula 1+0/0+1/0+0/ 2(1). Male Th. VIII with several lobes around genital opening on coxa and with toothlike protuberance, endopod and exopod one-segmented. Female Th. VIII bearing epipod; endopod and exopod one-segmented, both with two or three apical setae. Endopod of uropod with four to eight strong spines along inner margin. Furcal rami with five spines and conspicuous furcal organ dorsolaterally ( Schminke and Noodt 1988).

Type species: Pacificabathynella sequoiae Schminke and Noodt, 1988 .

Species: P. sequoiae Schminke and Noodt, 1988 , P. kalispellensis sp. nov., P. stanfordi sp. nov., P. ruthae sp. nov.