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Maraapunisaurus fragillimus Cope 1878

PaleoDB taxon number: 378234

Alternative combinations: Amphicoelias fragillimus, Amphicoelias fragillium

Full reference: E. D. Cope. 1878. A new species of Amphicoelias. The American Naturalist 12:563-564

Belongs to Maraapunisaurus according to K. Carpenter 2018

Sister taxa: none

Type specimen: AMNH FR 5777 (lost), a set of vertebrae (Dorsal neural arch). Its type locality is Cope Quarry III, Cope's Nipple, which is in a Tithonian dry floodplain mudstone in the Morrison Formation of Colorado.