Pachydermatan.
/ˌpakɪˈdəːmətə/, U.S. /ˌpækəˈdərmədə/ Chiefly Zoology.
Originally, in Cuvier's system of classification: an order of mammals comprising elephants and related animals, and hoofed quadrupeds that do not chew the cud such as rhinoceroses, hippopotamuses, pigs, horses, etc. (now historical). In later use (with plural agreement, in form pachydermata): animals belonging to this order; pachyderms.Now disused in zoology. The members of the order Pachydermata are now distributed among the orders Proboscidea, Hyracoidea, Perissodactyla, and Artiodactyla.
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the world > animals > mammals > group Ungulata (hoofed) > [noun] > Pachydermata
Pachydermata1822
1822 W. Buckland in Philos. Trans. (Royal Soc.) 112 198 It is foreign to the habits of the hyæna to prey on the larger pachydermata.
1834 H. McMurtrie tr. G. Cuvier Animal Kingdom (abridged ed.) 97 They [sc. hoofed animals] can hardly be divided into more than two orders, those which ruminate, and those which do not; but these latter, which we designate collectively by the term Pachydermata, admit of subdivision into families. The first is that of the Pachydermata which have a proboscis and tusks.
1897 Science 7 May 713/2 These generalizations..constituted the first distinct advance in mammalian classification since Owen demolished Cuvier's ‘pachydermata’.
1969 Slavic & East European Jrnl. 13 43 In Le Rhinocéros people are afflicted by a disease which transforms them into a herd of pachydermata.
1995 Amer. Jrnl. Archaeol. 99 388/2 (note) He described..Pliocene fresh water clay formations and oolitic drift with remains of mastodons and other pachydermata.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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