Genus: Anatotitan BRETT-SURMAN vide CHAPMAN & BRETT-SURMAN, 1990
Etymology: Latin, anat- (anas) “duck”, and Greek, titan, mythical Greek giant: “duck titan”.
= Anatotian BRETT-SURMAN, 1988 (chironym)
= Anatotitan NORMAN, 1989 (nomen dubium)
= Anattitan HUNT & LUCAS, 1992 (sic)

Species: copei (LULL & WRIGHT, 1942) BRETT-SURMAN, 1990
Etymology: In honor of Edwin Drinker Cope.
= Anatosaurus copei LULL & WRIGHT 1942
= Edmontosaurus copei (LULL & WRIGHT, 1942)
= Diclonius mirabilis COPE, 1876 (nomen dubium; in part)

Holotype: AMNH 5730

Locality: Near Moreau River, North of the Black Hills, South Dakota.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Skull and complete skeleton.

This skull is dorsal-ventrally crushed (Top and middle), bottom is an attempt to uncrush the skull.

Plesiotype: AMNH 5886

Locality: Crooked Creek, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Skeleton nearly complete.

Referred material:

CHAPMAN & BRETT-SURMAN, 1990

AMNH 5887, CM 16520:

A mounted specimen in the Ekalaka Museum, Montana.


CAMPIONE & EVANS, 2011

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

CMM: Skull and dentary.

MOR 003: Skull and dentary.

HORNER, 1992

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

BMNH R4862:

 


LUPTON, GABRIEL & WEST, 1980

Locality: Chris's Bone bed, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

MP M 4441, 4442: Fragmentary skeletons.

This is an undescribed skeleton, notice the long tail with vertebrae long past the last chevrons.