• Thumbnail for List of fossil bird genera
    [Ichthyornis celer Marsh 1873] (Late Cretaceous) †Guildavis tener (Marsh 1880) Clarke 2004 [Ichthyornis tener Marsh 1880] (Cretaceous of Wallace County, US)...
    245 KB (19,042 words) - 06:56, 27 September 2024
  • Thumbnail for Paleobiota of the Niobrara Formation
    [and] nearly complete postcranium." A baptornithid hesperornithiform Guildavis G. tener Smoky Hill Chalk Hesperornis H. crassipes Kansas "Partial postcranial...
    43 KB (1,746 words) - 18:55, 9 September 2024
  • Thumbnail for Caihong
    with serrations on both, mesial and distal, edges. Caihong probably has ten neck vertebrae, thirteen back vertebrae, five sacral vertebrae and 26 tail...
    11 KB (1,455 words) - 09:38, 15 October 2024
  • Thumbnail for Falcarius
    somewhat robust humerus. The relatively large, and slightly recurved, pointed ten- to thirteen-centimeter (four- to five-inch) hand claws were likely used...
    18 KB (2,082 words) - 21:55, 3 August 2024
  • Thumbnail for Segnosaurus
    almost-complete pelvis, an incomplete right femur, six sacral vertebrae, ten caudal vertebrae from the front of the tail, fifteen from the hindmost part...
    82 KB (9,896 words) - 22:58, 10 July 2024
  • Thumbnail for Hesperornis
    Marsh. Marsh was undertaking his second western expedition, accompanied by ten students. The team headed to Kansas where Marsh had dug before. Aside from...
    27 KB (3,114 words) - 12:21, 29 October 2024
  • Thumbnail for Pygostylia
    short tails") is a group of birds which includes all avialan species with ten or fewer free vertebrae in the tail. The group was named in 2002 by Gregory...
    8 KB (796 words) - 04:37, 25 June 2024
  • Thumbnail for Kakuru
    SAM P18010, but the assignment is dubious. The tibia is broken into about ten larger pieces and roughly 33 centimetres long. It is very slender in build...
    5 KB (501 words) - 07:56, 17 October 2024
  • place it near Aves (sensu Gauthier), including the presence of at least ten sacral vertebrae, a pubis and ischium that are closely appressed, distal...
    6 KB (784 words) - 00:31, 18 July 2024