ambulacra

Row of tube feet of an echinoderm.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_7.html

Ambulacra

• (pl. ) of Ambulacrum
Found on http://thinkexist.com/dictionary/meaning/ambulacra/

ambulacra

Row of tube feet of an echinoderm.
Found on http://www.ucmp.berkeley.edu/glossary/gloss7metazoa.html
No exact match found