Kuwaita magna Mohammad, 1973

Carrera-Parra, Luis F. & Orensanz, José M., 2002, Revision of Kuwaita Mohammad, 1973 (Annelida, Polychaeta, Lumbrineridae), Zoosystema 24 (2), pp. 273-281 : 276

Kuwaita magna Mohammad, 1973

( Fig. 1A, B )

Kuwaita magna Mohammad, 1973: 34-36 , figs 6, 7.

MATERIAL EXAMINED. — Kuwait. Sulaibikhat, intertidal, sand-mud flat, 29°18’N, 47°53’E, 25.IV.1969, M.-B. M. Mohammad coll., holotype ( BMNH ZB 1971.50).

DISTRIBUTION. — Known only from the type locality in Kuwait, Persian Gulf, intertidal flats.

DESCRIPTION

The specimen is in two pieces, adding up to c. 370 setigers and a length of c. 400 mm. Three antennae hidden under the nuchal fold. Notopodia ovoid with notoaciculae. Simple multidentate hooded hooks beginning around setiger 50. Ventral limbate setae present through setigers 58-59. Dorsal limbate setae displaced to a subdorsal position around setiger 68. Pygidium with four subequal anal cirri. Nephridial papillae poorly developed in mid-anterior segments, then developing gradually towards posterior end ( Fig. 1A ). In middle and posterior segments a small branchia is present on anterior, dorsal surface of each segment. Maxillary carriers slightly shorter than maxillae I; maxillae I with welldeveloped bridles; maxillae II with four to five teeth, c. half the length of maxillae I; the two are interconnected on each side by a wide connecting plate; maxillae III bidentate; maxillae IV unidentate; maxillae V rounded to subtriangular, weakly sclerotized ( Fig. 1B ).

Figures

FIG. 1. — A, B, Kuwaita magna Mohammad, 1973 (BMNH ZB1971.50); A, middle-posterior segments in lateral view; B, maxillary apparatus; C-E, K. dolichognatha (Rioja, 1941) n. comb. (EMU-477); C, simple multidentate hooded hook; D, posterior parapodium in frontal view; E, maxillary apparatus. Scale bars: A, B, D, E, 250 µm; C, 25 µm.