noun
- Extinct group of armored jawless vertebrates; taxonomy is not clear.
- synonyms: Ostracodermi
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). order ostracodermi. Retrieved September 30, 2026, from http://smartdefine.org/order_ostracodermi/definitions/1299152 |
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| MLA | WordNet. "order ostracodermi" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/order_ostracodermi/definitions/1299152> |