Species: atacis LE LOEUFF, 1995
Etymology: Latin, Atax, in reference to the Aude river.
Holotype: MDE C3-247
Locality: Bellevue Farm site at Campagne-sur-Aude,Upper Aude Valley, Aude Department, France.
Horizon: Marnes de la Maurine Member, Marnes Rouges Inferieures Formation.
Biostratigraphy:
Age: Late Campanian to Lower Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.
Material: 3 dorsal vertebrae.
A) Type; B) Dorsal vertebra; C) Tooth; D) Osteoderm.
Referred material:
MDE C3-52: Tooth.
MDE C3-38, C3-59, C3-92-94, C3-148: Dorsal vertebrae.
MDE C3-24,-C3-27, C3-46, C3-55, C3-58, C3-63-65, C3-95-C101, C3-124, C3- C3-127, C3-147: Caudal vertebrae.
MDE C3-60: Dorsal vertebra.
MDE C3-72, C3-139: Chevrons.
MDE C3-23, C3-80: Sternals
MDE C3-21, C3-145: Scapula.
MDE C3-22, C3-161, C3-351: Coracoids.
MDE C3-1, C3-79, C3-81, C3-86, C3-175, C3-312: Humerii.
MDE C3-56, C3-83, C3-300: Ulnae.
MDE C3-85: Radius.
MDE C3-57: Pubis.
MDE C3-123: Ilium.
MDE C3-84: Ischium.
MDE C3-20, C3-40, C3-44, C3-61, C3-78, C3-201, C3-203, C3-261: Femora.
MDE C3-137, C3-138, C3-144, C3-173: Tibiae.
MDE C3-48, C3-137: Fibulae.
MDE C3-88: Phalanges.
MDE C3-136, C3-192, C3-204, C3-325: Dermal osteoderms. 3 different types.
C3-325: Bulb osteoderm.
CS-192: Bulb osteoderms.
LE LOEUFF, 2003
Number: Not given: Disarticulated skull and articulated skeleton.
BUFFETAUT, LE LOEUFF, TONG, DUFFAUD, CAVIN, GARCIA, & WARD, 1999Locality: Massecaps, near Cruzy, Herault Department, Southern France.
Horizon:
Biostratigraphy:
Age: Probably early Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Several teeth, procoelous caudal vertebrae, a tibia and 2 osteoderms.
LE LOEFF, BUFFETAUT, CALVIN, MARTIN, MARTIN, TONG, 1994Locality: Gourg de L’Encantado, Village of Rennes-le-Chateau, Aude Department, France.
Horizon: Marnes Rouges Inferieures Formation.
Biostratigraphy:
Age: Lower Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
MDERC10-20: Scute.
Note: PEREDA-SUBERBIOLA, 1993 assigned this to an ankylosaur.