dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Lepechinella cetrata K. H. Barnard

Lepechinella cetrata K. H. Barnard, 1932:186–187, fig. 114.

DIAGNOSIS.–Pereonites 1–6 with weak dorsal humps, pereonite 1 with two humps, pereonite 7 with low, thick, slightly sharp tooth, pleonites 1–4 with increasingly larger and sharper dorsal teeth, no accessory teeth; pleon with sparse dorsal setae; epimera 1–3 scarcely convex posteriorly, epimeron 1 with sharp posteroventral corner, epimera 2–3 with slightly sharp tooth and weak sinus, no lateral setae on epimeron 2; rostrum large and elongate, relationship to antenna 1 unknown, first cephalic tooth extremely small, second tooth twice as long as first and about 25–33 percent as long as rostrum; mandibular palp unknown; anterior coxae short to medium in length, coxa 1 slipper-shaped, with extended anteroventral corner, ventrally truncate, not bifid, coxae 2–3 as long as coxa 1, weakly bifid, coxa 4 slightly shorter than 1–3, weakly concave ventrally, coxa 5 with soft anterior lobe as long as coxa 4, coxa 6 with sharper and smaller anteroventral lobe, softly quadrate posteroventrally, coxa 7 slightly sharpened at posteroventral corner; accessory flagellum “minute”; telson cleft three-fourths its length, lobes not gaping as apposing margins tumid, each lobe with “short” apical spine; uropods said to be as in L. chrysotheras; dactyls of pereopods 1–2 nearly twice as long as sixth articles.

DISTRIBUTION.–South Shetland Islands, 342 m.
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bibliographic citation
Barnard, J. L. 1973. "Deep-sea Amphipoda of the genus Lepechinella (Crustacea)." Smithsonian Contributions to Zoology. 1-31. https://doi.org/10.5479/si.00810282.133