Steleuthera maremboca Barnard, 1964

Berge, Jørgen, 2004, The subfamily Andaniopsinae (Crustacea: Amphipoda: Stegocephalidae): description of one new species and redescription of Steleuthera maremboca, Journal of Natural History 38 (11), pp. 1385-1395 : 1390-1392

Steleuthera maremboca Barnard, 1964

( figure 4 )

Steleuthera maremboca Barnard, 1964: 15 .

The description complements Barnard’s original description (1964: 15), based upon examination of the holotype. Only those appendages that needed redescription are presented.

Description

Epistome. Epistome laterally smooth. Epistomal plate (medial keel) produced into a small elongate medial ridge covering the entire epistome.

Mouthparts. Mouthparts not elongate. Mandibles with incisors transverse, partly toothed; left lacinia mobilis present, strongly toothed and distally produced.

Maxilla 1 palp articulation absent, distally with one short simple seta; outer plate distally subrectangular, ST in a 5/3 arrangement with two parallel rows.

Maxilla 2 outer plate not gaping and geniculate, setae distally straight; inner plate with setae-rows A and B apressed together; row C present, row D absent.

Maxilliped palp four-articulate, article 2 distally unproduced. Articles 1–3 without long slender setae. Inner plate distally with inner corner weakly produced, one nodular seta present. Outer plate with outer setae-row present, setae short and simple; distal setae-group absent.

Labrum about as long as broad, left lobe reduced.

Labium distally broad, distal finger absent.

Pereopods and coxae. Coxal plates and basis on the pereopods smooth. Pereopod 6 basis posteriorly rudimentary expanded, medially without a row of long plumose setae; posterior margin of basis smooth.

Oostegites and gills. Gills present on pereopods 2–7, oostegites on pereopods 2–5.

Urosome. Articulation between urosomites 2 and 3 present; uropod 3 peduncle longer than telson, outer ramus two-articulate.

Figures

FIG. 4. Steleuthera maremboca Barnard, 1964 holotype.