From WebRef.org
Revision as of 13:35, 4 September 2019 by Webref (talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

A primitive group of Silurian to Permian jawed bony fishes, bearing bony spines in front of all but their caudal fins.

Sponsor: Plan a getaway to Outer Banks, North Carolina!