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Definition of Heterostracan
1. Noun. Extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian.
Generic synonyms: Agnathan, Jawless Fish, Jawless Vertebrate
Group relationships: Heterostraci, Suborder Heterostraci
Group relationships: Heterostraci, Suborder Heterostraci
Lexicographical Neighbors of Heterostracan
Literary usage of Heterostracan
Below you will find example usage of this term as found in modern and/or classical literature:
1. The American Geologist: A Monthly Journal of Geology and Allied Sciences by Newton Horace Winchell (1900)
"These five species constitute a very important addition to our scanty heterostracan
fauna and enable us to realize better than was previously possible the ..."