 heterostracan |
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| 1. | [ noun ] (zoology) extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian | |
| Related terms: | jawless_vertebrate Heterostraci | |
| Similar spelling: |
Heterostraci heterograft heterozygous Heterosomata heterosexual Heteroscelus Heterokontae heterogenous heteroecious heterocercal heterosporous heterocercal_fin heterospory heterosexuality heterosexualism heteroicous |
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