The upper ray-scales are square and minutely granulated; the lower ones are quadrangular, with lunate sides.
In dead specimens the last laps over the ray-plate, so that its apex meets that of its fellow on the opposite side.
aranea = Latin: spider web A large brittle star with long banded arms which lives in crevices.
[2] Reported from the Aegean Sea, Eastern Mediterranean, on Atlantic coasts as far north as Great Britain and Ireland.
In Great Britain only recorded from the south-west including the Mewstone near Plymouth and North Cornwall.