• Thumbnail for Premaxilla
    The premaxilla (or praemaxilla) is one of a pair of small cranial bones at the very tip of the upper jaw of many animals, usually, but not always, bearing...
    12 KB (1,267 words) - 23:22, 23 April 2024
  • Thumbnail for Maxilla
    maxilla and premaxilla are relatively plate-like bones, forming only the sides of the upper jaw, and part of the face, with the premaxilla also forming...
    10 KB (1,146 words) - 17:31, 11 April 2024
  • Thumbnail for Incisor
    are the front teeth present in most mammals. They are located in the premaxilla above and on the mandible below. Humans have a total of eight (two on...
    4 KB (477 words) - 12:42, 3 December 2023
  • Thumbnail for Velociraptor
    was notably narrow and mainly formed by the nasal, premaxilla, and maxilla bones. The premaxilla was the anteriormost bone in the skull, and it was longer...
    72 KB (7,981 words) - 21:07, 21 April 2024
  • Thumbnail for Kype
    depression forms in the two halves of the premaxilla in the upper jaw, allowing the kype to fit into the premaxilla when the mouth is closed. The kype functions...
    10 KB (1,270 words) - 12:22, 14 March 2024
  • Thumbnail for Ichthyotitan
    represent a single specimen. A small rostrum fragment believed to be a premaxilla (MHNTV PAL-1-10/2012) and a long mandible fragment (MHNTV PAL-2/2010)...
    19 KB (1,922 words) - 18:16, 5 May 2024
  • Thumbnail for Teleost
    other bony fish lies mainly in their jaw bones; teleosts have a movable premaxilla and corresponding modifications in the jaw musculature which make it possible...
    96 KB (10,012 words) - 05:33, 7 April 2024
  • Thumbnail for Megapiranha
    of Paraná and Villa Urquiza. The specimen, a fragment of the animal's premaxilla containing several teeth, was later rediscovered by Alberto Luis Cione...
    12 KB (1,381 words) - 04:29, 21 April 2024
  • Thumbnail for Bulbasaurus
    phyllos and xyron, and apparently refers to the keratinous covering on the premaxilla, maxilla, and palate that would have been used to shear plant material...
    30 KB (3,347 words) - 23:36, 12 April 2024
  • Thumbnail for Utahraptor
    other specimens: pedal ungual CEUM 184v.294, tibia CEUM 184v.260 and premaxilla CEUM 184v.400. The holotype is housed in the paleontology collections...
    38 KB (3,975 words) - 19:10, 20 April 2024
  • Thumbnail for Jaw
    substantially simplified compared to fish. Most of the upper jaw bones (premaxilla, maxilla, jugal, quadratojugal, and quadrate) have been fused to the braincase...
    8 KB (847 words) - 20:17, 1 May 2024
  • Thumbnail for Lama (genus)
    compressed, sharp, pointed laniariform incisor near the hinder edge of the premaxilla, followed in the male at least by a moderate-sized, pointed, curved true...
    11 KB (1,079 words) - 03:50, 28 February 2024
  • maxillary, maxillate, maxillectomy, maxilliferous, maxilliform, maxillula, premaxilla, septomaxilla, submaxilla, supermaxilla, supramaxilla, zygomaxillare medius...
    317 KB (336 words) - 06:19, 16 April 2024
  • Thumbnail for Dilophosaurus
    toothrow of the premaxilla, called the subnarial pit, which was walled by a downwards keel of the premaxilla. The outer surface of the premaxilla was covered...
    119 KB (14,581 words) - 00:31, 2 May 2024
  • Thumbnail for Iberosuchus
    the skull is vermiculated; spoon-like premaxilla palatal shelf or mandibular symphysis; notch between premaxilla and maxilla or large 4th mandibular tooth;...
    15 KB (1,656 words) - 10:51, 30 April 2024
  • Thumbnail for Alligator munensis
    mostly by the nasals, the premaxilla contribute heavily in the species from Thailand. The greater contribution of the premaxilla also extends to the back...
    10 KB (1,421 words) - 11:50, 20 February 2024
  • Thumbnail for Fish jaw
    cavity. The four-bar linkage is also responsible for protrusion of the premaxilla, leading to three main four-bar linkage systems to generally describe...
    68 KB (7,465 words) - 07:53, 14 April 2024
  • Thumbnail for Llama
    compressed, sharp, pointed laniariform incisor near the hinder edge of the premaxilla is followed in the male at least by a moderate-sized, pointed, curved...
    47 KB (5,192 words) - 14:03, 30 April 2024
  • Thumbnail for Archosauromorpha
    These include laminae on the vertebrae, a posterodorsal process of the premaxilla, a lack of notochordal canals, and the loss of the entepicondylar foramen...
    31 KB (3,012 words) - 17:34, 28 April 2024
  • Thumbnail for Tyrannosaurus
    Ashley (2009). Dinosaur smiles: Do the texture and morphology of the premaxilla, maxilla, and dentary bones of sauropsids provide osteological correlates...
    213 KB (23,450 words) - 15:39, 30 April 2024
  • Thumbnail for Smok wawelski
    features of Smok seem to exclude it from these groups of archosaurs. The premaxilla and maxilla of the upper jaw attach closely to each other, making a continuous...
    10 KB (1,202 words) - 00:15, 13 January 2024
  • Thumbnail for Precociality and altriciality
    2023-12-26. Elzanowski, Andrzej; Brett-Surman, Michael K. (July 1995). "Avian Premaxilla and Tarsometatarsus from the Uppermost Cretaceous of Montana". The Auk...
    17 KB (2,176 words) - 17:12, 4 April 2024
  • Thumbnail for Egg tooth
    the egg tooth of squamates is an actual tooth which develops from the premaxilla. A baby crocodile has an egg tooth on the end of its snout. It is a tough...
    5 KB (527 words) - 02:12, 28 February 2024
  • Thumbnail for Ornithischia
    Stegosaurus. The snout and lower jaw are long and deep, and in some genera the premaxilla does not have any teeth. As in Scelidosaurus, the palpebral forms the...
    63 KB (5,921 words) - 18:55, 4 May 2024
  • Thumbnail for Bonn–Oberkassel dog
    This comprises nine cranial remains (portions of the right mandible and premaxilla, a coronoid process, and seven loose teeth) and 23 fragments across the...
    17 KB (2,059 words) - 14:32, 4 May 2024
  • Thumbnail for Slow worm
    loosely fixed teeth are curved backwards; there are 7 to 9 teeth in the premaxilla, 10 to 12 in the maxilla and 14 to 16 in the lower jaw. In Central Europe...
    17 KB (1,924 words) - 12:24, 22 April 2024
  • Thumbnail for Caecilian
    fused into a maxillopalatine in all living caecilians, and the nasal and premaxilla bones fuse into a nasopremaxilla in some families. Some families can be...
    55 KB (5,434 words) - 05:23, 8 April 2024
  • Thumbnail for Dental alveolus
    bone sockets. In mammals, tooth sockets are found in the maxilla, the premaxilla, and the mandible. 1706, "a hollow", especially "the socket of a tooth"...
    5 KB (442 words) - 12:25, 14 April 2024
  • Thumbnail for Achelousaurus
    the nasal and premaxilla bones (of the upper jaw) at the front of the snout, though the nasal bone itself did not fuse with the premaxilla. The boss of...
    79 KB (9,596 words) - 13:20, 29 March 2024
  • Thumbnail for Carnotaurus
    ceratosaurs such as Ceratosaurus. This opening was formed by the nasal and premaxilla only, while in some related ceratosaurs the maxilla also contributed to...
    66 KB (7,132 words) - 18:24, 13 April 2024