Chalicotherioidea

Chalicotherioidea

[¦kal·ə‚kō‚thi·rē′ȯid·ē·ə]
(paleontology)
A superfamily of extinct, specialized perissodactyls having claws rather than hooves.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.