More trivia from Larousse Gastronomique

[chickenfeet]

Apparently the oursin or sea urchin is also known in some places as the "sea hedgehog".

Comments

[unblinkered.livejournal.com]

Yup, in German sea urchin = Seeigel = sea hedgehog. Makes a lot more sense to me, and is probably the reason I have difficulty remembering the English term.