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*  Pliosaurus - Wikipedia
... lack of anisodont premaxillary dentition; lack of diastema between maxillary and premaxillary alveolar rows; and cervical ... The holotype preserved trihedral teeth like other members of Pliosaurus, and bears 6 tooth pairs in the mandibular symphysis, ... including premaxillary and dentary teeth), one nearly complete cervical centrum and two partial cervical centra, three pectoral ... 2013) diagnosed the species based on four autapomorphies of the holotype. The subrectangular sheet of the maxilla extends ...
  https://en.wikipedia.org/wiki/Pliosaurus
*  Mesosuchus - Wikipedia
The Mesosuchus is a small Rhynchosaurian diapsid with multiple rows of maxillary and dentary teeth with each row consisting of ... The two premaxillary teeth are approximately twice the size of the maxillary teeth and the maxillary teeth inset medially while ... had a zig-zag arrangement of teeth while the first and last four teeth are aligned in a row that is parallel to the maxilla. In ... SAM 5882, the holotype for Mesosuchus, consists of a partial rostrum, palate, braincase, lower jaws, sections of articulated ...
  https://en.wikipedia.org/wiki/Mesosuchus
*  A new catfish species of the genus Trichomycterus (Siluriformes: Trichomycteridae) from the río Orinoco versant of Páramo de...
... brachykechenos by having four rows of premaxillary and dentary teeth (vs. three), 13-14 opercular odontodes (vs. 8-11), 41-43 ... Counts for the holotype in variable meristics are indicated by an asterisk or enclosed in parentheses. Numbers of opercular and ... Maxilla boomerang shaped, shorter than premaxilla. Articular facet of autopalatine for lateral ethmoid on medial margin of bone ... Maxillary barbel extending slightly beyond pectoral-fin origin. Rictal barbel extending to anterior third of interopercular ...
  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000400717&lng=en&tlng=en
*  Clidastes - Wikipedia
The marginal tooth rows in mosasauroids like Clidastes are found on the premaxilla, maxilla and the dentary. On the dorsal ... Posteroventral portion of root of second premaxillary tooth not exposed on sutural surface with maxilla. Premaxillo-maxillary ... but are one of the best preserved and most complete mosasaurs collected from the state and is regarded as the generic holotype ... Premaxillary suture of maxilla smoothly keeled and paraIIels longitudinal axis of maxilla. Sixteen-18 teeth in maxilla. Median ...
  https://en.wikipedia.org/wiki/Clidastes
*  Labidosaurikos - Wikipedia
Mandibular tooth rows rest between the maxillary tooth rows and have multiple contact points that could in motion pass one ... L. barkeri differs from L. meachami in having one less row of teeth in both maxillary and dentary, however, the validity of its ... Teeth that occur in the maxilla have been considered isodonts. The lateral surface of the maxilla presents a lateral flexion ... The anteroventrally directed premaxillae which contain five long premaxillary teeth that decrease in size posteriorly as is the ...
  https://en.wikipedia.org/wiki/Labidosaurikos
*  Scelidosaurus - Wikipedia
The premaxillary teeth were somewhat longer and recurved. To the rear, they gradually approach the form of the maxillary teeth ... and at least nineteen in the maxilla and sixteen in the dentary of the lower jaw. However, the number of maxillary and dentary ... Between these main series, one or two rows of smaller oval keeled scutes were present. There were in total four rows of large ... Owen had not indicated a holotype. In 1888, Richard Lydekker while cataloguing the BMNH fossils, designated some of the ...
  https://en.wikipedia.org/wiki/Scelidosaurus
*  A new colorful species of Geophagus (Teleostei: Cichlidae), endemic to the rio Aripuanã in the Amazon basin of Brazil
All premaxillary teeth inwards inclined. Dentary teeth not arranged in series, more numerous near symphysis. Outer teeth 17(1 ... bearing about six rows of slender teeth, up to two retrorse cusps each. Pharyngobranchial 3 with nine rows of teeth (medialmost ... Skin covering protruding portion of premaxillary and maxillary bones with many transversal striae. Fleshy lips of "American ... not covering any of dentary lateralis foramina (Fig. 3.A). Lip folds united on tip of maxilla. Thin skin fold on antero-dorsal ...
  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000400737&lng=en&tlng=en
*  Ornitholestes - Wikipedia
The tooth rows of Ornitholestes were short, with the dentary (lower) row being even shorter than the maxillary (upper) row, ... depicted the skull with only three premaxillary teeth remaining, much smaller than those illustrated by Osborn. Each maxilla ( ... The holotype skeleton (AMNH 619) was excavated in July 1900 in the Bone Cabin Quarry in Wyoming by an American Museum of ... main tooth-bearing bone in the upper jaw) contained ten teeth, and each dentary (tooth-bearing bone in the lower jaw) contained ...
  https://en.wikipedia.org/wiki/Ornitholestes
*  Frontiers | Osteology of a New Specimen of Macrocnemus aff. M. fuyuanensis (Archosauromorpha, Protorosauria) from the Middle...
11, maxilla with ca. 25, dentary with ca. 30 teeth; vomers, palatines and pterygoids also tooth-bearing. Mandibles elongated, ... Unfortunately, the premaxillary-maxillary contact is obscured by other bones in the skull of the holotype specimen of M. ... Laterally, two close parallel rows of 11 teeth form a staggered line. Lateral and parallel to the median row, a row of 12 teeth ... The last few teeth (,14) on the dentary in PIMUZ T 1559 appear shorter and broader than the more anterior teeth. This might be ...
  https://www.frontiersin.org/articles/10.3389/feart.2017.00091/full
*  A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits...
Breakage and erosion have damaged both tooth rows, and the four to six anterior-most alveolar cavities on the right maxilla are ... The premaxillary tomial crest is short and terminates well before the anterior-most maxillary alveolar cavity. ... No teeth are preserved with the mandibles, but the alveolar cavities in the left dentary suggest the presence of 16-18 teeth ... Part B: Photograph of the holotype of Nodocephalosaurus kirtlandensis (SMP VP-900) is reproduced courtesy Robert M. Sullivan. ...
  https://peerj.com/articles/5016/
*  Stegoceras - Wikipedia
The premaxillary teeth show wear facets from contact with the predentary bone, and the maxillary teeth have double wear facets ... The teeth in the premaxilla were separated from those behind in the maxilla by a short diastema (space), and the two rows in ... The split from Troodon was supported by Russell in 1948, who described a theropod dentary with teeth almost identical to those ... In 2011, Steven E. Jasinski and Sullivan considered the specimen an adult, and made it the holotype of the new species ...
  https://en.wikipedia.org/wiki/Stegoceras
*  New ankylosaurine from Montana | Open Science
The tooth rows are inset from the lateral side of the maxillae, creating a buccal emargination (figure 3). The tooth rows ... the contact lies behind the supranarial ornamentation and is marked by a change in angle between the premaxillary and maxillary ... A highly worn tooth visible in lateral view on the left dentary has a deep wear facet that occupies the entire lateral surface ... Holotype of Zuul crurivastator, ROM 75860, skull in (a) dorsal and (b) ventral views. (a′,b′) are digital models of the skull. ...
  http://rsos.royalsocietypublishing.org/content/4/5/161086
*  Species New to Science: December 2015
... a left dentary (NRRU3001-14), a right dentary (NRRU3001-167), a right surangular (NRRU3001-137), isolated maxillary teeth (NRRU ... A) Holotypic left maxilla of Siamodon, (B) holotypic right dentary of Ratchasimasaurus, (C) left maxilla of Sirindhorna (NRRU- ... The holotype of Ischioceratops was found at approximately the same stratigraphic level within the Kugou quarry as the holotype ... a vaulted premaxillary palate, and a predentary with a broad base that supports the dentary symphysis. Unfortunately, few ...
  http://novataxa.blogspot.com.br/2015/12/