lamellibranch
Concise Oxford English Dictionary © 2008 Oxford University Press:
lamellibranch /ləˈmɛlɪbraŋk/
▶noun another term for bivalve.
– origin C19: from mod. L. Lamellibranchia (former class name), from L. lamella + Gk brankhia ‘gills’.
'lamellibranch' also found in these Oxford entries:

