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Norman, 1867

Description
Body slender and elongated. Carapace compressed laterally and with a mid-dorsal carina. Pseudorostrum prominent. First pereion somite free from carapace. Pereiopod 2 with the basis and ischium fused. Endopod of uropod with two segments, the distal usually the longer.
Carapace in both sexes with the mid-dorsal crest bearing 8-20 teeth, starting just behind the eyelobe and continuing in diminishing size to near the hind end. The pseudorostrum is very long. Antenna 1 with two aesthetascs. The sternite of pereionite 2 in the adult male is armed with three tubercles, each with a bifid extremity, of which the median is usually the largest. There are no spurs on the bases of pereiopods 2. Pleonite 6 has four setae at its hind end.
No free telson.

Size
Length up to 12 mm.

Ecology
Found on muddy sand, normally in somewhat deeper water.

Depth range
Down from 30-150 m.

Distribution in the North Sea
Occurs possibly in the northern North Sea.

World distribution
Recorded from the Shetland Islands, the Irish Sea, south-west Ireland, and from the Bay of Biscay and the Mediterranean.

[After Jones, 1976]

Iphinoe serrata