• Thumbnail for Heptasteornis
    resolved and Heptasteornis was (and still is) considered a nomen dubium by many. While Naish and Dyke in 2004 also classified Heptasteornis as a nomen dubium...
    5 KB (496 words) - 06:44, 28 June 2024
  • Thumbnail for Bradycneme
    and Walker described two "bradycnemids" from Romania: B. draculae and Heptasteornis andrewsi. These specimens had initially been assigned to the supposed...
    6 KB (536 words) - 12:02, 14 June 2024
  • Thumbnail for Elopteryx
    Walker removed from Elopteryx, redescribed as Bradycneme draculae and Heptasteornis andrewsi respectively, and used to establish a supposed family of gigantic...
    15 KB (1,735 words) - 01:28, 20 June 2024
  • Thumbnail for Alvarezsauridae
    some possible members may have been larger, including the European Heptasteornis that may have reached 2.5 metres (8.2 ft) long. Fossils attributed to...
    22 KB (2,170 words) - 06:26, 20 May 2024
  • Thumbnail for Owl
    non-Galloanserae landbirds. The supposed "Cretaceous owls" Bradycneme and Heptasteornis are apparently non-avialan maniraptors. During the Paleogene, the Strigiformes...
    70 KB (7,573 words) - 22:12, 11 June 2024
  • Thumbnail for Avialae
    Achillesaurus? Alnashetri Alvarezsaurus Bonapartenykus? Bradycneme Heptasteornis Patagonykus? Parvicursorinae...
    18 KB (1,628 words) - 01:32, 30 June 2024
  • Thumbnail for Pelagornis
    Achillesaurus? Alnashetri Alvarezsaurus Bonapartenykus? Bradycneme Heptasteornis Patagonykus? Parvicursorinae...
    33 KB (3,463 words) - 15:17, 4 July 2024
  • Thumbnail for Ornithurae
    Achillesaurus? Alnashetri Alvarezsaurus Bonapartenykus? Bradycneme Heptasteornis Patagonykus? Parvicursorinae...
    7 KB (519 words) - 11:48, 26 May 2024
  • Thumbnail for Therizinosaurus
    Achillesaurus? Alnashetri Alvarezsaurus Bonapartenykus? Bradycneme Heptasteornis Patagonykus? Parvicursorinae...
    63 KB (7,237 words) - 08:59, 3 July 2024
  • Thumbnail for Gastornis
    Achillesaurus? Alnashetri Alvarezsaurus Bonapartenykus? Bradycneme Heptasteornis Patagonykus? Parvicursorinae...
    39 KB (4,408 words) - 19:02, 14 July 2024