arthrozoic
Zoology (now historical and rare )
adjective
(In some former classifications) designating a division of the Metazoa including arthropods and segmented worms (corresponding broadly to the Articulata of Cuvier); relating to this group.
Origin
Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From arthro- + -zoic, after scientific Latin Arthrozoa, former group name.