NOMEN: Acerata Lankester 1888 [E.R. Lankester. Zoology. – Encyclopaedia Britannica, 9th ed., 1888, vol.24: 799-820]

ORIGINAL LISTED MEMBERSHIP (Lankester 1888): Eucrustacea (= "Crustacea") + Chelicerata (= "Arachnida") + Pantopoda + Tardigrada + Acanthotheca (= Linguatulida)

JUNIOR CIRCUMSCRIPTIONAL SYNONYM:
= Cephalothoracica Goette 1902

TYPIFIED NAME IN BASIC FORMAT: Araneus/fg (sine Scarabaeus, Scolopendra; incl. Cancer)
TYPIFIED NAMES IN USE: 

MODERN STATUS: the oldest name of a non-accepted, paraphyletic taxon.