| annulosa | <zoology> A division of the Invertebrata, nearly equivalent to the Articulata. It includes the Arthoropoda and Anarthropoda. By some zoologists it is applied to the former only. Source: Websters Dictionary (01 Mar 1998) |
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| annulosan | <zoology> One of the Annulosa. Source: Websters Dictionary (01 Mar 1998) |