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Hailstone, 1835

Frontal region of carapace produced as a broad rostrum, each half moderately broad at base and tapering distally, postorbital spine laterally expanded, antorbital absent, a very small gap (at the most) between supraorbital eave and postorbital spine, many regions of carapace with boletate and some scutellate tubercles, cardiac region with a mid-anterior tubercle, intestinal region with a transverse row of flat, slightly confluent and well defined tubercles, sometimes with a cluster of smaller tubercles at each outer margin; second and third peduncular segments of antenna moderately broad, eyestalks concealed when retracted. Chelipeds equal in size; second to fifth pereiopods with segment margins slightly cristate, propodus and dactylus with short setae. Female chelipeds shorter and less robust than in male.

Carapace length up to 6 (13.4) mm.

Depth range from 18 to 73 metres, on hard ground and on hydroids, Eunicella, bryozoans and sponges. Ovigerous crabs February-June, larvae May.

Carapace brownish, protogastric, metagastric and cardiac regions often pink or purple, pereiopods greyish yellow, tubercles brown.

East Channel, Channel Isles, Plymouth, Scilly Isles, Bristol Channel, Isle of Man, Galway Bay.

Eurynome spinosa