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heterostracan
[ het-uh-ros-truh-kuhn ]
noun
Paleontology.
- 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.
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Word History and Origins
Origin of heterostracan1
< New Latin Heterostrac(i) (plural) name of the order, equivalent to heter- heter- ( def ) + Greek Dzٰ(ó) (singular) “shell” + -an
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Example Sentences
Examples have not been reviewed.
The exact nature of heterostracan feeding remains an open question.
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