We found 1 definitions of order ostracodermi from 1 different sources.
Noun |
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order ostracodermi - extinct group of armored jawless vertebrates; taxonomy is not clear | ||
Ostracodermi, order Ostracodermi | ||
animal order the order of animals | ||
agnatha, superclass agnatha superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms | ||
ostracoderm extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic | ||
heterostraci, suborder heterostraci extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear |