单词	Cephalaspis
释义	Cephalaspis noun Ceph·​a·​las·​pis -pə̇s : a genus (the type of the family Cephalaspidae) of Devonian ostracoderms having the head covered by a flattened shield rounded in front and prolonged into posteriorly directed lateral points and the eyes close together in the middle of the head shield see cephalaspida Word History Etymology New Latin, from cephal- + -aspis
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