rhinobatidæ

pl. [Mod. Lat. rhinobat (us); Lat. fem. pl. adj. suff. - idœ.] 1. Ichthy .: A family of Plagiostomous Fishes, section Batoidei. Tail long and strong, with two well-developed dorsals, and a longitudinal fold on each side; caudal developed. Disc not exce ively dilated, the rayed portion of the pectorals not being continued to the snout. Three genera: Rhynchobatus, Rhino bat us, and Try go nor hin a. 2. Paleontology : Apparently commenced in the Oolite.