[D] Edmontosaurus annectens [Su]
Describer
Marsh, 1892
Time
Cretaceous Late Maastrichtian
Classification
Ornithischia Ornithopoda Hadrosauridae Hadrosaurinae Edmontosaurini
Diet
Herbivore
Fossilsite
Scollard Formation, Alberta, Frenchman Formation, Saskatchewan, Canada; Hell Creek Formation, Montana, South Dakota, Lance Formation, Wyoming, Laramie Formation, Denver Formation , Colorado, US
Fall Under
Edmontosaurus
Length
13 meter
Info
Skull
Edmontosaurus regalis (Lambe, 1917) >> Trachodon atavus (Cope, 1871 ) Agathaumas milo (Cope, 1874) Edmontosaurus > Edmontosaurus annectens (Marsh, 1892) = Claosaurus annectus (Marsh, 1892) >> Thespesius edmontonensis (Gilmore, 1924) Edmontosaurus > Edmontosaurus saskatchewanensis (Sternberg, 1926) = Thespesius saskatchewanensis (Sternberg, 1926).
At least 5 articulated skull and associated postcranial skeletons, isolated skull material. The form was variously cited over the years as Diclonius mirabilis, Hadrosaurus mirabilis, Trachodon mirabilis, Claosaurus annectens, Trachodon annectens, Thespesius annectens, Anatosaurus copei, Anatosaurus annectens, Edmontosaurus annectens, and Anatotitan copei.
Marsh, 1892
Time
Cretaceous Late Maastrichtian
Classification
Ornithischia Ornithopoda Hadrosauridae Hadrosaurinae Edmontosaurini
Diet
Herbivore
Fossilsite
Scollard Formation, Alberta, Frenchman Formation, Saskatchewan, Canada; Hell Creek Formation, Montana, South Dakota, Lance Formation, Wyoming, Laramie Formation, Denver Formation , Colorado, US
Fall Under
Edmontosaurus
Length
13 meter
Info
Skull
Edmontosaurus regalis (Lambe, 1917) >> Trachodon atavus (Cope, 1871 ) Agathaumas milo (Cope, 1874) Edmontosaurus > Edmontosaurus annectens (Marsh, 1892) = Claosaurus annectus (Marsh, 1892) >> Thespesius edmontonensis (Gilmore, 1924) Edmontosaurus > Edmontosaurus saskatchewanensis (Sternberg, 1926) = Thespesius saskatchewanensis (Sternberg, 1926).
At least 5 articulated skull and associated postcranial skeletons, isolated skull material. The form was variously cited over the years as Diclonius mirabilis, Hadrosaurus mirabilis, Trachodon mirabilis, Claosaurus annectens, Trachodon annectens, Thespesius annectens, Anatosaurus copei, Anatosaurus annectens, Edmontosaurus annectens, and Anatotitan copei.