[D] Coelosaurus antiquus
Describer
Leidy, 1865
Time
Cretaceous Late Campanian Maastrichtian
Classification
Saurischia Theropoda Tetanurae Coelurosauria Ornithomimosauria Nomina Dubia
Diet
?Carnivore
Fossilsite
Black Creek Formation, North Carolina, Moorville Chalk, Alabama, New Egypt Formation, Navesink Formation, Mount Laural Formation, Wenonah Formation, New Jersey, Severn Formation, Maryland, US
Fall Under
Coelosaurus
Info
Coelosaurus (Leidy, 1865) [Anonymus but known to be Owen, 1854] > Coelosaurus affinis (Gilmore, 1920) > Coelosaurus antiquus (Leidy, 1865)
Fragmentary limb elements. Possible = Ornithomimus antiquus ?
Ornithomimus antiquus ? (Leidy, 1865) Baird & Horner, 1979 = Coelosaurus antiquus (Leidy, 1865), Dryptosaurus antiquus (Leidy, 1865) Gallagher, 1993, Struthiomimus antiquus (Leidy, 1865).
Dryptosaurus macropus (Cope, 1869) is a nomen dubium that includes Laelaps macropus and may be synonymus with Ornithomimus antiquus ?.
Work by T.R. Holtz Jr. indicates that Coelosaurus may not be an ornithomimid as determined by Baird & Horner (1979). Gallagher (1993) considered it a dryptosaurid. Since Leidy\\\'s generic name Coelosaurus is preoccupied, a replacement name will have to be created if this species is to be separated into its own genus.
Leidy, 1865
Time
Cretaceous Late Campanian Maastrichtian
Classification
Saurischia Theropoda Tetanurae Coelurosauria Ornithomimosauria Nomina Dubia
Diet
?Carnivore
Fossilsite
Black Creek Formation, North Carolina, Moorville Chalk, Alabama, New Egypt Formation, Navesink Formation, Mount Laural Formation, Wenonah Formation, New Jersey, Severn Formation, Maryland, US
Fall Under
Coelosaurus
Info
Coelosaurus (Leidy, 1865) [Anonymus but known to be Owen, 1854] > Coelosaurus affinis (Gilmore, 1920) > Coelosaurus antiquus (Leidy, 1865)
Fragmentary limb elements. Possible = Ornithomimus antiquus ?
Ornithomimus antiquus ? (Leidy, 1865) Baird & Horner, 1979 = Coelosaurus antiquus (Leidy, 1865), Dryptosaurus antiquus (Leidy, 1865) Gallagher, 1993, Struthiomimus antiquus (Leidy, 1865).
Dryptosaurus macropus (Cope, 1869) is a nomen dubium that includes Laelaps macropus and may be synonymus with Ornithomimus antiquus ?.
Work by T.R. Holtz Jr. indicates that Coelosaurus may not be an ornithomimid as determined by Baird & Horner (1979). Gallagher (1993) considered it a dryptosaurid. Since Leidy\\\'s generic name Coelosaurus is preoccupied, a replacement name will have to be created if this species is to be separated into its own genus.