dentary


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Related to dentary: incus, Dentary Bone

dentary

the lower jawbone of mammals.
References in periodicals archive ?
7)% HL; teeth 4-5 on ocular-side premaxilla, 23-24 on blind-side premaxilla and 8-9 on ocular-side dentary, 20-24 on blind-side dentary; gill rakers of first arch relatively slender, 9-14 total, 3-6 on upper arch, 6-9 on lower arch; gill rakers of second arch 8-14 total with 0-4 on upper and 7-13 on lower arch; dorsal orbit length often with posteriorly elongate rim and much longer than eye length, orbit length 22.
Jaws equal, mouth terminal; posterior terminus of maxilla reaching vertical through anterior third of orbit; premaxillary teeth in two rows; outer row with 2 (3), relatively compressed, unicuspid teeth; inner row with 5 (1), 6 (1), or 7(1) relatively bulky, tricuspid teeth; maxilla with 3 (1) or 4(3) tri- to unicuspid teeth; anteriormost tooth being the largest; dentary with 7 (1), 11 (1), 13(1), 14 (1) teeth; 4 anteriormost teeth larger, bulky, tricuspid, posterior ones unicuspid (Fig.
The more posterior maxillary and dentary teeth of Scoloparia have transversely aligned, chisel-like tooth crowns that bear three cusps when unworn rather than only two as in most procolophonids.
George (2012) also identified several synapomorphic characters of the dentary bone for the tribe Notiosoricini.
Upper and lower length (UL, LL) and width (UW, LW) were obtained at the bone level on either the maxilla or the dentary.
Dentary composed of two transversal ridges in the anterior part, followed by one large, sometimes transversally slightly widened denticle and 7-11 small nearly equal-sized denticles.
Material--Right dentary with two molars and part of the incisor present (Figure 1).
The maxilla and premaxilla are the bones over the palatoquadrate, and the dentary is the dermal bone over Meckel's cartilage (these, remember, were once the mandibular gill arch, situated in the second head segment).