| 释义 |
order Ostracodermi
Thesaurus| Noun | 1.order Ostracodermi - extinct group of armored jawless vertebrates; taxonomy is not clearOstracodermianimal order - the order of animalsAgnatha, superclass Agnatha - superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct formsostracoderm - extinct fish-like jawless vertebrate having a heavily armored body; of the PaleozoicHeterostraci, suborder Heterostraci - extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clearCephalaspida, Osteostraci, suborder Cephalaspida, suborder Osteostraci - extinct group of armored fish-like vertebrates; taxonomy is not clear |
order Ostracodermi
Synonyms for order Ostracoderminoun extinct group of armored jawless vertebratesSynonymsRelated Words- animal order
- Agnatha
- superclass Agnatha
- ostracoderm
- Heterostraci
- suborder Heterostraci
- Cephalaspida
- Osteostraci
- suborder Cephalaspida
- suborder Osteostraci
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