• (n. pl.) An order of irregular sea urchins, usually having a more or less heart-shaped shell with four or five petal-like ambulacra above. The mouth is edentulous and situated anteriorly, on the under side.
Found on
http://thinkexist.com/dictionary/meaning/spatangoidea/
Spat`an·goi'de·a noun plural [ New Latin See
Spatangus , and
-oid .]
(Zoology) An order of irregular sea urchins, usually having a more or less heart-shaped shell with four or five petal-like ambulacra above. The mouth is edentulous and situated anteriorly, on the under side...
Found on
http://www.encyclo.co.uk/webster/S/155
No exact match found.
