Kröyer, 1837
Description:
Carapace hexagonal, broader than long, dorsal surface minutely rugose; submedian lobes prominent, inner orbital margins acute to subacute, ventrally with a strong tooth. Antero-lateral margins of carapace with three well developed acute teeth, first and second anteriorly directed. Chelipeds moderately stout, slightly unequal; pereiopods relatively long and thin, merus to propodus compressed, dactylus strongly depressed, third and fourth pereiopods slightly longer than others, fifth longer than major cheliped.
Size:
Carapace length up to 40 (80) mm.
Habitat:
Depth range beyond 82 metres. on soft mud. Ovigerous April (outside Area in January-March).
Colour:
Carapace reddish brown, pereiopods lighter.
Distribution:
Orkney, Viking, Firth of Forth.