Found 2 items, similar to ostracoderm.
English → English (WordNet) Definition: ostracoderm ostracoderm n : extinct fishlike jawless vertebrate having a heavily armored body; of the Paleozoic
English → English (gcide) Definition: ostracoderm ostracoderm \ostracoderm\ n. Any of several extinct fishlike jawless vertebrates having a heavily armored body; of the Paleozoic. [WordNet 1.5]