Di Dimorphodon (dimorfodon)

[NL., L., Gr. δίμορφος, of two forms (see dimorph ), ), + όδών, Ionic form of ὀδούς (ὀδοντ-) (ὀδοντ-) = E. tooth.] A genus of extinct pterosaurian reptiles, or pterodactyls: so called from the fact that their teeth were of two kinds, the anterior long, the posterior mostly very short. The tail was long, and the other characters mostly as in Rhamphorhynchus; the metacarpus was comparatively short, and the ends of the toothle jaws were probably sheathed in horn. dimorphous (di-môr'fus), a. [ cium carbonate crystallizes in the rhombohedral form as calcite, and in the orthorhombic as aragonite. See dim or phism. .. Bodies capable of incompatible are said to be dimorphous . a uming two forms geometrically W. A. Miller, Elem. of Chem., I. iii. § 4. which in = Claus, Zoology (trans.), I. 155.