A phylogenetic review of the genus Hexabathynella Schminke, 1972 (Crustacea, Malacostraca, Bathynellacea): with a description of four new species
Author
Cho, Joo-Lae
Author
Schminke, Horst Kurt
text
Zoological Journal of the Linnean Society
2006
2006-05-09
147
1
71
96
https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2006.00215.x
journal article
10.1111/j.1096-3642.2006.00215.x
0024-4082
GENUS
HEXABATHYNELLA
SCHMINKE, 1972
Diagnosis:
Parabathynellid. Body elongated and cylindrical. Antennule six-segmented. Second antennular segment sexual dimorphic. Antenna fivesegmented. Labrum flat. Incisor process of mandible consisting of five spines. Maxilla three-segmented. Thoracopod VII absent. Exopod of thoracopod I onesegmented; that of thoracopods II–VI two-segmented. Male thoracopod VIII massive, with three-lobed penial region, basipod bearing a seta and being drawn out in a chitinous projection, with elongated endopod and triangular exopod. With two setae at the base of the tip. Sympod of uropod with spines: distal spine always longer and thicker than other spines. Inner terminal seta of uropodal exopod shorter than outer one. Furcal rami with three spines. Anal operculum convex.
Type
species:
Hexabathynella pauliani
Delamare Deboutteville, 1953
.