• 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
  • 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 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 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 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 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 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 Invictarx
    of a dorsal rib, complete or partial identifiable osteoderms, and fragments of additional osteoderms. Two other specimens were referred to Invictarx: UMNH...
    19 KB (2,272 words) - 22:24, 27 May 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
  • 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 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 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 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 Geckolepis
    attenuation as bone, and concluded that this suggested the presence of osteoderm as well. They noted that, like in Schmidt's illustrations, a zone toward...
    10 KB (1,103 words) - 03:54, 5 June 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
  • currently only known from five isolated and incomplete dorsal osteoderms. Regardless, said osteoderms show a clear mix of features that do not match any other...
    7 KB (793 words) - 05:39, 9 June 2024
  • 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 Thyreophora
    Thyreophora are characterised by the presence of osteoderms (bony growths within the skin), with these osteoderms having lateral keels. Characters of the skull...
    12 KB (1,003 words) - 19:40, 16 June 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 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
  • 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 Aletopelta
    species, Aletopelta coombsi, is known from a partial skeleton preserving osteoderms. It was originally described in 1996 by W. P. Coombs, Jr. and T.A. Deméré...
    14 KB (1,318 words) - 01:12, 20 May 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 (2,707 words) - 03:37, 26 July 2025
  • Thumbnail for Pareiasauria
    large, herbivorous parareptiles. Members of the group were armoured with osteoderms which covered large areas of the body. They first appeared in southern...
    18 KB (1,553 words) - 12:05, 18 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 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 Mylodontidae
    Mylodontids are the only ground sloths confirmed to have osteoderms embedded within their skin, though osteoderms were only present in a handful of genera (Mylodon...
    12 KB (1,012 words) - 21:53, 25 May 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