Genus Sursamucro

Sursamucro Bradford, 1969

Taxonomic description:

Female. (Description after Bradford (1969b) with modifications). Total length 6.45 mm. Cephalothorax about 4 times longer than abdomen. Cephalon and Th1 fused, Th4-Th5 separated. Rostrum reduced, as blunt rounded plate. Crest absent. Th5 and genital segment symmetrical. Th5 prolonged into spines upturned backwards. A1 24-segmented, reaching Th4-Th5. Re A2 nearly as long as Ri A2, coxopodite with 1, basipodite with 2 setae. Ri1 A2 with 2 setae, external lobe of Ri2 A2 with 7 terminal setae, Re1 and Re2 with 2 setae each, Re3-Re6 with 1 seta each, Re7 A2 typical of Aetideidae with 3 terminal setae. Md palp base with 2, Ri1 Md with 1, Ri2 Md with 9 setae. Mx1 gnathobase with 14 setae, second and third internal lobes and protopodite near Ri base with 4 setae each, Ri and Re with 11 setae each, external lobe with 9 setae. Mx2 according to Bradford (1969b) typical of Aetideidae; one of setae on fifth endite is more like spine than others. Mxp structure typical of Aetideidae, proximal part of segment without seta, sensitive appendage absent. P1 with 3-segmented Re with external spines on each segment, basipodite with small seta in external distal part of segment. Ri P2 2-segmented. All other rami of swimming legs 3-segmented. P4 coxopodite without spines. P5 sometimes present as rudiment.

Male unknown.

Type species: Sursamucro spinatus Bradford, 1969, by monotypy.

Monotypic genus.

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