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

Figure 49. Aegiochus coroo (Bruce, 983). Male ( .7 mm, MNHN Is. 5925). A, dorsal view; B, lateral view; C, head; D, frontal
lamina, anterior view; E, frons, ventral view; F, penial processes; G, sternite 7; H, pleonites, lateral view; I, pleotelson posterior
margin.
Frontal lamina flat, as wide as long, diamond shaped
or posteriorly rounded (depending on perspective),
anterior margin acute, without small median point,
posterior margin forming narrow stem.
Mandible molar process present, minute. Maxillule
with 3 terminal RS ( large, 2 slender; small triangular
spines proximal to RS). Maxilla mesial lobe with 3 RS (2
serrate, simple); lateral lobe with 3 RS. Maxilliped endite
with apical seta; palp article 2 with 2 RS (straight);
article 3 with recurved RS (weakly recurved and 2
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straight RS); article 4 with 4 hooked RS; article 5 with
2 RS ( large, serrate; slender, simple).
Pereopod 1 basis 3.2 times as long as greatest width;
ischium 0.4 times as long as basis, inferior margin with
0 RS, superior distal margin with 0 RS ( slender seta);
merus inferior margin with 0 RS, superior distal angle
with 0 RS ( slender seta); carpus .0 as long as merus,
inferior margin with 0 RS (2 small nodules); propodus
.8 times as long as proximal width, inferior margin
with 0 RS, propodal palm simple, without blade or