AMMONITOIDEA
Source: 567
‖Am‐mon′i‐toid″e‐a (�), n. pl. [[NL., fr. Ammonite + -oid.]] (Zoöl.) An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.
Source: 567
‖Am‐mon′i‐toid″e‐a (�), n. pl. [[NL., fr. Ammonite + -oid.]] (Zoöl.) An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.