Pachydermata

== Translingual == === Etymology === From Ancient Greek παχύδερμος (pakhúdermos, “thick-skinned”), from παχύς (pakhús, “thick”) + δέρμα (dérma, “skin”). === Proper noun === Pachydermata (obsolete) A taxonomic order within the class Mammalia – variously defined, but generally hoofed quadrupeds that do not chew the cud, non-ruminant ungulates, including the pachyderms. ==== Usage notes ==== Replaced variously by Proboscidea, Perissodactyla, Suina, Hippopotamidae, and Hyracoidea. === Further reading === William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “Pachydermata”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC.