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Describer
Cope, 1878
Time
Jurassic Late Kimmeridgian Tithonian
Classification
Saurischia Sauropodomorpha Sauropoda Diplodocidae Diplodocinae
Diet
Herbivore
Fossilsite
Morrison Formation , Colorado, US
Fall Under
Amphicoelias
Info
Amphicoelias (Cope, 1877) > Amphicoelias altus (Cope, 1877) >> Amphicoelias fragillimus (Cope, 1878).
McIntosh sees "no reason not to consider Amphicoelias fragillimus a very large individual of Amphicoelias altus". (1998, Modern Geology 23:481-506).
An old story states that Amphicoelias fragillimus
may have been the largest dinosaur. The estimated 2.7 m height of the dorsal that crumbled to dust shortly after
excavation suggests a skeleton 58 m long, about 9.25 m at the highest point of the back, and with a body mass of 122,400 kg. Only a drawing remaind. Holotype: AMNH 5777. The species name, fragillimus, apparently reflects the fragility or delicateness of the specimen produced by the thinness of the numerous laminae as noted by Cope (1878b, p. 563).
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