circa 1889, in the meaning defined above
New Latin Acanthocephala, taxon that includes the spiny-headed worms (from Greek ákantha "thorn, prickle, spine" + New Latin -o- -o- + -cephala, neuter plural of -cephalus "having a head of a given sort," borrowed from Greek -kephalos, derivative of kephalḗ "head") + -an entry 1 — more at acanthus, cephalic