Chirundinella Tanaka, 1957
Taxonomic description:
Female. Total length 7.44-8.10 mm. Cephalothorax about 4.2 times longer than abdomen. Cephalon and Th1 separated, Th4-Th5 fused. Crest present. Rostrum present, one-pointed. Posterior Th5 corners rounded. One of setae of caudal rami very long, 3 times as long as the others. A1 24-segmented. Re A2 longer than Ri. Ri Md slightly longer than half the length of Re Md. Mx1 with 4 setae on protopodite near Ri base, 10 setae on Re and 3 setae on posterior surface of gnathobase. Mx2 and Mxp close in structure to that of Pseudochirella . P1 with one-segmented Ri and 3-segmented Re, spine on Re1 present (see figure Tanaka, 1957b), but was not mentioned in the description later (Tanaka, 1969), P2 with 2-segmented Ri and 3-segmented Re. Segmentation of P3-P4 typical of Aetideidae.
Male. Total length 6.7 mm. Cephalothorax 2.67 times longer than abdomen. Cephalon and Th1, as well as Th4-Th5 fused. Very low crest and robust rostrum present. Posterior Th5 corners rounded. Abd2-4 with minute spinules along posterior border. Oral parts and P1-P4 close to those of female. P5 in structure close to that in Pseudochirella , but left Re3 P5 bilobated.
Type species: Chirundinella cara Tanaka, 1957 (= Chirundina magna Wolfenden, 1911), by monotypy.
Monotypic genus.
Chirundinella magna (Wolfenden, 1911)