. Bulletin of the Natural History Museum (Zoology). TYPE MATERIAL OF STEGOCEPHALIDAE 131. Fig. 30 Stegocephaloides calypsonis , holotype. Mandible incisor lateral; incisor toothed; left lacinia mobilis present, powerful, laterally expanded, not conical. Maxilla 1 palp 1 -articulate, rectangular, apex not reaching beyond outer plate; outer plate distally rectangular; ST in two parallel rows, first marginal and second submarginal, ST first row with 7 setae (ST1-5, ST7 and an additional ST located medially on outer plate), ST 1 ordinary (similar to ST 2-4), gap between ST 5 and ST 7 presen
. Bulletin of the Natural History Museum (Zoology). TYPE MATERIAL OF STEGOCEPHALIDAE 131. Fig. 30 Stegocephaloides calypsonis , holotype. Mandible incisor lateral; incisor toothed; left lacinia mobilis present, powerful, laterally expanded, not conical. Maxilla 1 palp 1 -articulate, rectangular, apex not reaching beyond outer plate; outer plate distally rectangular; ST in two parallel rows, first marginal and second submarginal, ST first row with 7 setae (ST1-5, ST7 and an additional ST located medially on outer plate), ST 1 ordinary (similar to ST 2-4), gap between ST 5 and ST 7 present; ST A-C, part of second row. ST D absent; inner plate with a well developed shoulder, setae pappopectinate. Maxilla 2 gaping and geniculate, outer plate setae with distal hooks present, distal cleft absent; inner plate setae row A covering about two thirds of the margin, clearly separated from row B, row A setae pappopectinate; row B setae proximally simple, distally with cusps present; row C present; row D present, expanded and elon- gated beyond row A, with many small cusps distally. Maxilliped palp 4-articulate, article 2 distal inner margin weakly produced, dactylus distally simple (pointed); inner plate with 2 nodular setae; medial setae-row absent, distal setae-row present, setae simple; inner setae-row present, row reduced to one or two setae, setae not conspicuously large; outer plate outer setae-row present, marginal, setae attached in a deep hollow, setae short and strongly curved upwards (hooks); inner setae-row present but strongly reduced, setae short simple and slender, proximally parallel to outer and distally transverse; distal setae-group present, setae attached in a deep hollow, setae short simple. Labrum elongate; lobes asymmetrical; right lobe not reduced; left lobe reduced. Labium distally narrowing. Coxal plates and basis of pereopods covered with very short setules. Coxae 1-3 contiguous. Pereopod 1 coxa deeper than basis; propodus subovate. Pereopod 2 l
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