heterostracan

[ het-uh-ros-truh-kuh n ]
/ ˌhɛt əˈrɒs trə kən /

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.

Origin of heterostracan

< New Latin Heterostrac(i) (plural) name of the order, equivalent to heter- heter- + Greek ostrak(ón) (singular) “shell” + -an

Words nearby heterostracan

heterosexuality, heterosis, heterosocial, heterosporous, heterospory, heterostracan, heterostyled, heterostyly, heterosuggestion, heterotactic, heterotaxia

Example sentences from the Web for heterostracan