inferior surface, inferodistal angle may be a little produced; 2nd has infero-distal angle somewhat produced, about 3 pairs of flaccid sensory setae on inferior margin, superior margin and remaining segments with scattered fine bristles. Second: Length about 6 mm., flagellum filiform, of about 25 cylindrical segments, all much longer than wide, with marginal bristles. Peduncle small, 3rd segment ¾ 5th; 4th ⅔ 5th.

Mouthparts: As in Parathemisto gracilipes (see below) except that mandibular palp 1st segment is ¾ length 2nd; 2nd is slightly shorter than 3rd. No long setae on maxilliped outer plate surface.

Gnathopods. First: Basos length 3 times width; ischium subsquare, length ¼ basos. Merus subtriangular, extending ½ down carpus, ¼ basos length, posterior margin has 5 or so strong spines. Carpus anterior margin ½ basos length, greatest width ¾ length, single stout spine at anterodistal angle, posterodistally produced in short spoon-like process nearly ½ along propod; posterior margin has about 4 stout spines with fringe of very fine long teeth between them; process inner margin also has short strong spines, margin likewise finely toothed. Convex propod narrowing distally to dactylos, barely longer than carpus anterior margin; anterior margin has 2 or 3 strong spines; posterior is finely toothed. Dactylos more than ½ propod length, most of inner margin finely toothed. Second: Basos width ¼ length; subsquare ischium barely narrower. Merus anterior margin less than ½ ischium length; posterior margin ⅓ basos length, produced along carpus in broad scoop-like process. Carpus anterior margin ⅓ basos length, posterior produced distally ⅔ along propod as scoop-like process, posterior margin ½ basos length, in both segments scoop-like process has finely toothed margin with 8 or so strong spines. Propod narrowing to dactylos, length about ⅖ basos, 3 times greatest width; 2 strong spines anteriorly, finely toothed posteriorly. Dactylos slender, slightly more than ½ propod length, inner margin finely toothed.

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Peraeopods. First: Basos length nearly 4 times width; ischium subrect-angular, length ¼ basos, width ¾ length. Merus anterior margin convex, proximally constricted, ⅓ basos length, greatest width ¾ length, 1 or 2 minute spines on posterodistal angle. Carpus ½ basos length, width ½ length, anterior margin slightly convex; posterior straight, finely toothed with about 3 spines. Propod width 1/7 length, length about ⅘ basos, posterior margin finely toothed. Slender dactylos not quite ½ propod length, inner margin finely toothed. Second: Similar. Third: Basos width ½ length, margins slightly convex, anterior with a few setae. Ischium ¼ basos, slightly narrower than long. Merus anterior margin has a few fine setae, ⅖ propod length, length twice width. Carpus ½ basos length, width less than ⅓ length, anterior margin finely toothed. Propod width ⅙ length, length ¾ basos, anterior margin finely toothed. Dactylos not ½ propod length, inner margin finely toothed proximally. Fourth: Like Pr. 3. Fifth: Carpus and merus subequal, merus inner margin finely toothed distally; otherwise similar.

Epimeral Plates. First tending to circular, 2nd and 3rd somewhat subrectangular.

Uropods. Biramous, inner margins of outer rami and outer margins of inner rami finely toothed and proximally excavate, especially 2nd; 1st and 3rd finely bristled alongside excavation. First: Rami subequal, approximately ⅗ peduncle length; peduncle width not quite ⅓ length; rami reaching tips of rami of uropod 3. Second: Outer ramus, inner ramus and peduncle lengths in ratio 7:8:9; peduncle narrowing proximally, tips of rami reaching ¾ along rami of uropod 1.