• Thumbnail for Amphicoelias
    including Amphicoelias. Based on notes accompanying his sketches provided to Knight as reference material, Cope evidently considered both Amphicoelias and Brontosaurus...
    28 KB (3,285 words) - 09:34, 28 February 2024
  • Thumbnail for Maraapunisaurus
    Jurassic Morrison Formation of western North America. Originally named Amphicoelias fragillimus, it has sometimes been estimated to be the largest dinosaur...
    31 KB (3,972 words) - 20:23, 26 May 2024
  • Thumbnail for Camarasaurus
    femur and 2 caudal vertebrae was made a new species of Amphicoelias by Cope which he named Amphicoelias latus in 1877. This species was tentatively synonymized...
    63 KB (7,119 words) - 16:02, 26 July 2024
  • Thumbnail for Diplodocoidea
    including slender giants like Supersaurus, Diplodocus, Apatosaurus, and Amphicoelias. Most had very long necks and long, whip-like tails; however, one family...
    9 KB (612 words) - 06:07, 25 June 2024
  • Thumbnail for List of informally named dinosaurs
    specimens which had already been referred to as "Barackosaurus" as "Amphicoelias brontodiplodocus". The specific name referred to their hypothesis based...
    168 KB (19,511 words) - 00:43, 29 July 2024
  • Thumbnail for Dinosaur size
    March 4, 2016. Woodruff, C; Foster, JR (2015). "The fragile legacy of Amphicoelias fragillimus (Dinosauria: Sauropoda; Morrison Formation - Latest Jurassic)"...
    29 KB (3,363 words) - 01:21, 9 April 2024
  • Thumbnail for Bruhathkayosaurus
    "Biggest of the big: a critical re-evaluation of the mega-sauropod Amphicoelias fragillimus." In Foster, J.R. and Lucas, S.G., eds., 2006, Paleontology...
    19 KB (2,293 words) - 16:35, 14 June 2024
  • including Diplodocus hallorum (formerly Seismosaurus), Supersaurus vivianae, Amphicoelias altus, and M. fragilimus. Smaller sauropods, such as Suuwassea emiliae...
    72 KB (3,566 words) - 01:19, 19 June 2024
  • Thumbnail for Diplodocidae
    Edward Drinker Cope named the family Amphicoeliidae in 1878 for his genus Amphicoelias, sometimes considered a diplodocid. However, the name Amphicoeliidae...
    37 KB (3,718 words) - 11:46, 5 May 2024
  • Thumbnail for Saurophaganax
    "Biggest of the big: a critical re-evaluation of the mega-sauropod Amphicoelias fragillimus". In Foster, John R.; Lucas, Spencer G. (eds.). Paleontology...
    18 KB (1,973 words) - 09:49, 23 June 2024
  • Thumbnail for Sauropoda
    Diplodocus, were also extremely long. The holotype (and now lost) vertebra of Amphicoelias fragillimus (now Maraapunisaurus) may have come from an animal 58 metres...
    85 KB (9,462 words) - 02:09, 8 July 2024
  • Thumbnail for Apatosaurinae
    certain, Apatosaurus and Brontosaurus, according to a 2015 study, though Amphicoelias and a species of Atlantosaurus may also belong to this group. All members...
    89 KB (9,822 words) - 17:20, 18 May 2024
  • Thumbnail for Camarasaurus supremus
    discovery of C. supremus: Amphicoelias latus, Caulodon diversidens, Caulodon leptoganus, and Camarasaurus leptodirus. Though Amphicoelias latus is generally...
    21 KB (2,179 words) - 04:29, 19 February 2024
  • Thumbnail for Epanterias
    1086/272127. Osborn, Henry Fairfield; Mook, Charles C. (1921). "Camarasaurus, Amphicoelias, and other sauropods of Cope". Memoirs of the American Museum of Natural...
    4 KB (358 words) - 11:07, 7 July 2024
  • Thumbnail for Dinosaur
    considered either the heaviest and longest. The most famous one include Amphicoelias fragillimus, known only from a now lost partial vertebral neural arch...
    284 KB (28,297 words) - 18:29, 29 July 2024
  • ἀμφί (amphí). Meaning: both. Examples: Amphibia ("two types of life"); Amphicoelias ("hollow at both ends"); Amphicyon ("ambiguous dog") -anthus, antho-:...
    41 KB (3,829 words) - 12:30, 4 July 2024
  • Thumbnail for Nigersaurus
    Carpenter, Kenneth (2018). "Maraapunisaurus fragillimus, N.G. (formerly Amphicoelias fragillimus), a basal Rebbachisaurid from the Morrison Formation (Upper...
    40 KB (4,570 words) - 09:14, 12 April 2024
  • Thumbnail for Brontosaurus
    Whitlock, John A. (2021). "Anatomy and systematics of the diplodocoid Amphicoelias altus supports high sauropod dinosaur diversity in the Upper Jurassic...
    95 KB (10,267 words) - 15:55, 26 July 2024
  • Thumbnail for Apatosaurus
    the family Diplodocidae. It is one of the more basal genera, with only Amphicoelias and possibly a new, unnamed genus more primitive. Although the subfamily...
    90 KB (9,436 words) - 15:55, 26 July 2024
  • Thumbnail for Dryosaurus
    "Biggest of the big: a critical re-evaluation of the mega-sauropod Amphicoelias fragillimus". In Foster, John R.; Lucas, Spencer G. (eds.). Paleontology...
    18 KB (2,022 words) - 18:45, 3 August 2024
  • Thumbnail for Diplodocus
    dinosaur (excluding those known from exceedingly poor remains, such as Amphicoelias or Maraapunisaurus). The estimated length was later revised downward...
    89 KB (10,040 words) - 17:53, 26 July 2024
  • Thumbnail for Brachiosaurus
    previously named genera Camarasaurus, Apatosaurus, Atlantosaurus, and Amphicoelias, whose validity he questioned given the lack of overlapping fossil material...
    118 KB (14,272 words) - 15:38, 26 July 2024
  • Thumbnail for Supersaurus
    Amphicoelias altus...
    23 KB (2,246 words) - 11:52, 4 August 2024
  • Thumbnail for Allosaurus
    Suuwassea, Apatosaurus, Brontosaurus, Barosaurus, Diplodocus, Supersaurus, Amphicoelias, and Maraapunisaurus, and the ornithischians Camptosaurus, Dryosaurus...
    131 KB (14,804 words) - 19:23, 4 August 2024
  • Thumbnail for Patagotitan
    Apatosaurinae Amphicoelias? Apatosaurus Atlantosaurus? Brontosaurus Diplodocinae Barosaurus Dinheirosaurus Diplodocus Galeamopus Kaatedocus? Leinkupal...
    47 KB (5,360 words) - 01:35, 4 June 2024
  • Thumbnail for Sauroposeidon
    "Biggest of the big: a critical re-evaluation of the mega-sauropod Amphicoelias fragillimus". In Foster, John R.; Lucas, Spencer G. (eds.). Paleontology...
    25 KB (2,838 words) - 04:28, 12 April 2024
  • Apatosaurinae Amphicoelias? Apatosaurus Atlantosaurus? Brontosaurus Diplodocinae Barosaurus Dinheirosaurus Diplodocus Galeamopus Kaatedocus? Leinkupal...
    4 KB (392 words) - 16:14, 26 July 2024
  • long, and Comahuesaurus, at 1.13 metres (3.7 ft) long. The femur of Amphicoelias altus, a diplodocid from the Late Jurassic Morrison Formation of the...
    14 KB (1,367 words) - 23:20, 17 July 2024
  • Thumbnail for Largest and heaviest animals
    "Biggest of the big: a critical re-evaluation of the mega-sauropod Amphicoelias fragillimus." In Foster, J.R. and Lucas, S.G., eds., 2006, Paleontology...
    162 KB (16,279 words) - 20:17, 4 August 2024
  • Thumbnail for Amargasaurus
    Apatosaurinae Amphicoelias? Apatosaurus Atlantosaurus? Brontosaurus Diplodocinae Barosaurus Dinheirosaurus Diplodocus Galeamopus Kaatedocus? Leinkupal...
    41 KB (4,519 words) - 15:32, 26 July 2024