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heterostracan: Meaning and Definition of
het•er•os•tra•can
Pronunciation: (het"u-ros'tru-kun), [key]
— n. Paleontol.
- any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates.
See also:
- heterostracan (Thesaurus)
