We found 1 definitions of order anaspida from 1 different sources.
Noun |
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order anaspida - extinct order of jawless vertebrates | ||
Anaspida, order Anaspida | ||
animal order the order of animals | ||
agnatha, superclass agnatha superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms |