Descriptions of some vertebrate remains from the Fort Union beds of Montana Author Cope, E. D. text Proceedings of the Academy of Natural Sciences of Philadelphia 1876 28 248 261 journal article 25997 10.5281/zenodo.3371111 87e60a32-5002-431d-b24e-2b0dd43b67fb 3371111 Laelaps falculus , sp. nov. Represented by several teeth of about half the size of those of the last described reptile. They differ in form in several respects, being relatively shorter and stouter, and less sectorial in character. The lateral surfaces are about equally convex, while the aniterior face is narrowly obtuse, and without cutting edge. The posterior edge is concave and furnished with a seriation of smnaller denticles than in the L . explanatus ; it is median in position.
Measurements . M .
Length of crown .0090
Diameter of base of crown antero-posterior . 0056
transverse. .0040
Found by Jno. C. Isaac .