heterostracan

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noun

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

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Meanings

nounheterostracan (plural heterostracans)

plural heterostracans

  1. Any of the subclass Heterostraci of extinct jawless vertebrates that lived primarily in marine and estuary environments.

Origin

Heterostraci + -an

Full word history & related roots →
Cite this entry
APA

heterostracan. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/heterostracan

MLA

“heterostracan.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heterostracan. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “heterostracan,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/heterostracan.

Source: heterostracan on Wiktionary, CC BY-SA 4.0.