The Marine Fauna of New Zealand: Isopoda, Aegidae (Crustacea)

Figure 10. Aega falklandica Kussakin, 967. Eltanin specimen (USNM 099250). A–D, pereopods , 2, 6 and 7 respectively;
E, pereopod ischium, mesial surface; F, sternite 7 showing penial papillae.
Antennule peduncle article 2 anterodistal lobe not
extending beyond mid-point of article 3; articles 3 and
4 0.5 times as long as combined lengths of articles and
2, article 3 2.6 times as long as wide; flagellum with 12
articles, extending to posterior margin of eye. Antenna
peduncle article 2 inferior surface without distinct longitudinal
suture; article 4 .6 times as long as wide, 0.9
times as long as combined lengths of articles –3, with
deep longitudinal groove, inferior margin plumose
seta, and 0 short slender setae; article 5 not markedly
wider or flatter than article 4, 1.1 times as long as article
4, 2.2 times as long as wide, inferior margin with 6
palmate setae; flagellum with 17 articles, extending to
middle of pereonite .
3
Frontal lamina flat, as wide as long, lateral margins
converging posteriorly, anterior margin rounded, with
small median point, posterior margin not abutting
clypeus.
Mandible molar process present, minute; palp article
2 with 7 distolateral setae (3 large biserrate, remainder
smaller, simple), palp article 3 with 27 setae. Maxillule
with 8 terminal RS (falcate). Maxilla mesial lobe with
5 RS (3 stout, 2 distally biserrate); lateral lobe with 3
RS. Maxilliped endite with 0 apical setae; palp article 2
with 6 RS (1 hooked; with further fine marginal setae);
article 3 with 6 recurved RS (5 hooked, long straight);
article 4 with 7 hooked RS (5 large, 2 small); article 5