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Heterostracan Moderate

Heterostracan has 2 different meanings across 1 category:

Noun

Definitions
Noun
1

extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian

2

Any of the Heterostraci, an extinct class of jawless vertebrates that lived primarily in marine and estuary environments.

See Also
marine environment jawless vertebrate pteraspid estuary heterostraci class
Related Terms
Broader Terms (hypernyms)
jawless vertebrate
Rhyming Words
can scan ican alcan lycan lucan incan tucan lacan recan oscan decan pecan pocan rican tacan flucan youcan rescan narcan
Compare
Heterostracan vs