See Also: tetrabranchiate(medicine)
tetrabranchiate(dictionary)

tetrabranchiate (iou)



tetrabranchiate adjective & noun. M19.
[mod. Latin tetrabranchiata, formed as TETRA- + Greek bragkhia gills: see -ATE2.]
(Designating or pertaining to) a cephalopod having two pairs of gills, sometimes placed in a (mainly fossil) group Tetrabranchiata including the ammonites and nautiloids.