• Thumbnail for Osteoderm
    Osteoderms are bony deposits forming scales, plates, or other structures based in the dermis. Osteoderms are found in many groups of extant and extinct...
    6 KB (564 words) - 09:00, 1 July 2025
  • Osteoderms are dermal bone structures that support the upper layer of skin and serve as protection against the elements in a large variety of extinct and...
    17 KB (2,148 words) - 19:49, 27 May 2025
  • Thumbnail for Zuul
    far recovered from North America. The specimen also preserved in situ osteoderms, keratin, and skin remains. In 2014, Theropoda Expeditions LLC was excavating...
    18 KB (2,359 words) - 18:18, 13 May 2025
  • Thumbnail for Aetosauria
    snouts, erect limbs, and a body ornamented with four rows of plate-like osteoderms (bony scutes). Aetosaur fossil remains are known from Europe, North and...
    94 KB (9,550 words) - 17:44, 22 May 2025
  • Thumbnail for Ankylosaurus
    collected 77 osteoderms while excavating a Tyrannosaurus specimen in the Lance Formation of Wyoming in 1900. He mentioned these osteoderms (specimen AMNH...
    66 KB (7,724 words) - 01:05, 16 July 2025
  • Thumbnail for Glyptotherium
    armored top shell (carapace) that was made of hundreds of interconnected osteoderms (structures in dermis composed of bone). Other pieces of armor covered...
    106 KB (11,097 words) - 01:37, 30 June 2025
  • Thumbnail for Deinosuchus
    built for crushing, and its back was covered with thick hemispherical osteoderms. One study indicated Deinosuchus may have lived for up to 50 years, growing...
    42 KB (4,525 words) - 21:00, 20 July 2025
  • Thumbnail for Vancleavea
    that time, the genus was only known from fragmentary bones including osteoderms and vertebrae. However, since then many more fossils have been found,...
    41 KB (5,311 words) - 20:00, 29 March 2025
  • Thumbnail for Keratin
    certain tissues such as in horns of cattle and rhinos, and armadillos' osteoderm. The only other biological matter known to approximate the toughness of...
    35 KB (2,706 words) - 11:13, 15 July 2025
  • Thumbnail for Akainacephalus
    southern Laramidia, including a complete skull, tail club, a number of osteoderms, limb elements and part of its pelvis, among other remains. It was described...
    37 KB (4,075 words) - 19:39, 26 May 2025
  • of India. It was described in 2025 on the basis of multiple isolated osteoderms that were nonetheless distinct in their appearance from not only the contemporary...
    9 KB (1,060 words) - 02:25, 31 May 2025
  • Thumbnail for Glyptodontopelta
    Glyptodontopelta mimus, is known from numerous specimens that consist of osteoderms, a dentary, supraorbital and bone fragments. It was named in 2000 by Tracy...
    5 KB (412 words) - 15:38, 17 May 2025
  • Thumbnail for Saltasaurus
    armour of bony plates embedded in its skin. Such small bony plates, called osteoderms, have since been found on other titanosaurians. The fossils of Saltasaurus...
    13 KB (1,374 words) - 15:55, 5 July 2025
  • Thumbnail for Lithostrotia
    the fact that many known lithostrotians are preserved with osteoderms. However, osteoderms are not a distinguishing feature of the group, as the two noted...
    17 KB (1,397 words) - 16:57, 27 June 2025
  • Thumbnail for Armadillosuchus
    Preserved elements show the presence of a rigid shield of hexagonal osteoderms just behind the head, followed by a series of mobile bands similar to...
    21 KB (2,438 words) - 20:10, 29 March 2025
  • Thumbnail for Ahshislepelta
    and/or dorsal vertebrae fragments, complete and fragmentary thoracic osteoderms, and other unidentifiable postcranial fragments. The holotype specimen...
    21 KB (1,960 words) - 01:58, 4 July 2025
  • Thumbnail for Glyptodon
    armored carapaces (top shell) that were made of hundreds of interconnected osteoderms (structures in dermis composed of bone). Other pieces of armor covered...
    119 KB (13,135 words) - 15:04, 9 July 2025
  • right radius (CAMSM J.29482), a cast of phalanx (CAMSM J.29479) and an osteoderm (CAMSM J.29481). It was synonymised to Ornithopsis humerocristatus by...
    4 KB (397 words) - 01:37, 19 May 2025
  • Thumbnail for Garzapelta
    muelleri. Garzapelta is known primarily from an associated collection of osteoderms, although some other bones such as ribs are also known. The anatomy of...
    14 KB (1,549 words) - 10:32, 30 May 2025
  • Thumbnail for Euoplocephalus
    Euoplocephalus lacks round osteoderms at the base of the squamosal and quadratojugal horns. Compared with Anodontosaurus it lacks small osteoderms at the bases of...
    41 KB (4,991 words) - 03:17, 14 May 2025
  • Thumbnail for Stegouros
    characterized by its small body size and distinct arrangement of fused osteoderms forming a maquahuitl-like tail weapon. In February 2018, the skeleton...
    21 KB (2,603 words) - 23:35, 23 June 2025
  • Thumbnail for Torosaurus
    or more epiperietals, or triangular osteoderms. A midline triangular osteoderm is absent. Likewise, no osteoderm straddles the parietal-squamosal boundary...
    42 KB (5,129 words) - 19:09, 7 June 2025
  • Thumbnail for Saichania
    against predators like Tarbosaurus with a tail-club. On the torso keeled osteoderms were present. Saichania bit off plants in its desert habitat with a horny...
    20 KB (2,421 words) - 16:18, 13 May 2025
  • Thumbnail for Borealopelta
    dinosaur fossils of its size ever found. It preserved not only the armor (osteoderms) in their life positions, but also remains of their keratin sheaths, overlying...
    18 KB (1,877 words) - 10:49, 23 July 2025
  • Thumbnail for Scutarx
    Scutarx (section Osteoderm)
    Norian stages of the Late Triassic. Scutarx is a medium-sized reptile with osteoderms belonging to the Aetosauria, a heavily armored and more herbivorous clade...
    22 KB (2,643 words) - 02:19, 26 May 2025
  • Thumbnail for Ankylosauria
    includes the great majority of dinosaurs with armor in the form of bony osteoderms, similar to turtles. Ankylosaurs were bulky quadrupeds, with short, powerful...
    22 KB (1,942 words) - 01:46, 25 June 2025
  • Thumbnail for Iberosuchus
    from very fragmentary fossils, elements of the skull, dentary, teeth and osteoderm. Remains of a mesocrocodylian were found in Portugal; it was named Iberosuchus...
    15 KB (1,643 words) - 17:26, 9 June 2025
  • Thumbnail for Doswellia
    block containing a partial skeleton, including numerous vertebrae, ribs, osteoderms (bony plates), and other bones. This block, USNM 244214, has been designated...
    16 KB (1,947 words) - 14:11, 28 May 2025
  • yangyanensis, is known from a partial postcranial skeleton preserving osteoderms and ossified tendons. It was named in 2013 by Rongjun Chen, Wenjie Zheng...
    9 KB (894 words) - 01:54, 4 July 2025
  • species name scutorectangularis meanwhile alludes to the fact that the osteoderm scutes that covered the animals back were rectangular. The holotype specimen...
    12 KB (1,582 words) - 00:52, 30 June 2025