Definition of Ctenaspids. Meaning of Ctenaspids. Synonyms of Ctenaspids

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Definition of Ctenaspids

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Meaning of Ctenaspids from wikipedia

- Ctenaspidae is a family of extinct cyathaspidiform heterostracan agnathans in the suborder Cyathaspidida. If Amphiaspidida can be ignored as a daughter-taxon...
- almost uniformly benthic in lifestyle, though only the amphiaspids and the ctenaspids are thought to be burrowers. The taxonomy of Cyathaspidiformes is a convoluted...
- Small, Gorman II. David K. Elliott; Alain R. M. Blieck (2010). "A new ctenaspid (Agnatha, Heterostraci) from the Early Devonian of Nevada, with comments...