endopterygoid

endopterygoid

[¦en·dō′ter·ə‚gȯid]
(vertebrate zoology)
A paired dermal bone of the roof of the mouth in fishes.
References in periodicals archive ?
The unusual condition of the ectopterygoid and endopterygoid of Leptophilypnion may well be uniquely derived or apomorphic characters, and thus unhelpful in determining its phyletic relationships.
Vomer, palatines, endopterygoids and tongue with small teeth; vomerine tooth patch subquadrangular to diamond shaped, without posterior prolongation; palatine and endopterygoid teeth in longitudinal patches (endopterygoid teeth not seen on two of paratypes, UPRM 3793 & 3809).
Villiform teeth in band on premaxilla and dentary; 2-3 (1-2) rows on vomer; 2-3 rows on palatine; none on ectopterygoid, endopterygoid or basihyal.