ARCHIANNELIDA
Source: 567
‖Ar′chi‐an‐nel″i‐da (�), n. pl. [[NL.; pref. archi- + annelida.]] (Zoöl.) A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.
Source: 567
‖Ar′chi‐an‐nel″i‐da (�), n. pl. [[NL.; pref. archi- + annelida.]] (Zoöl.) A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.