a sizable unit of Articulata embracing those that have jointed legs It includes bugs Arachnida Pychnogonida and Crustacea
- jointed-foot invertebrates: arachnids; crustaceans; pests; millipedes; centipedes
- a big unit of Articulata, embracing dozens of having jointed legs. It includes Pests, Arachnida, Pychnogonida, and Crustacea.
1870, Modern Latin, virtually "people that have jointed legs," coined 1845 by German zoologist Karl Theodor Ernst von Siebold (1804-1885) from Greek arthron "a joint" (see arthro-) + podos genitive of pous "foot" (see foot (letter.)).
(n. pl.) A large unit of Articulata, adopting dozens of that have jointed feet. It provides Bugs, Arachnida, Pychnogonida, and Crustacea.
There is no reason to suppose that any of the forms of limb observed in Arthropoda may not have been independently developed in two or more separate diverging lines of descent.