Meanings
nounosteostracan (plural osteostracans)
plural osteostracans
- Any extinct fish of the class Osteostraci
Synonyms & antonyms
nounextinct jawless fish of the Devonian with armored head
Similar
cephalaspid
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
osteostracan. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/osteostracan
MLA
“osteostracan.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/osteostracan. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “osteostracan,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/osteostracan.
Source: osteostracan on Wiktionary, CC BY-SA 4.0.