Object Details
Collector
Hatcher
Sullins
Utterback
Geologic Age
Mesozoic / Cretaceous / Late / Maastrichtian
Record Last Modified
4 Aug 2025
Skeletal Morphology
Skull. Cranium, Teeth; Skull. Mandible, Teeth; Skull. Cranial Element. Fragments; Vertebra. Atlas; Vertebra. Axis; Vertebra. Cervical. 3-5 (fused), 6, 7, 8-11 (fused); Rib. Cervical Rib; Rib. Rib. Left 1-13, 17?, right 1-3, 4-8, 9-13; Vertebra. Dorsal. In sections; Vertebra. Caudal. Fused sections 1-11, 12-26, 37-40, 41-44, 42-58; Vertebra. Vertebra. Caudal chevrons 12-14; Pectoral Girdle. Scapula. Left and right; Pelvic Girdle. Sacrum; Limb. Humerus. Left and right; Limb. Radius. Left and right; Limb. Ulna. Left and right; Limb. Femur. Left and right; Limb. Tibia. Right; Limb. Fibula. Left; Limb. Metacarpal. Right I-IV, left; Limb. Metatarsal. Left and right; Limb. Phalanx. Bones of manus and pes; Unidentified. Unidentified. Fragments; Updated
Stratigraphy
/ Lance Fm
Collection Date
Sep 1891
USNM Number
V2414
Type Citation
Marsh. 1892. Am.Jour.Sci. 43 : 453.
Lull, R. S., Wright, N. 1942. Hadrosaurian Dinosaurs of North America. Geol.Soc.America Spec.Paper. (n.40).
Type Status
holotype
Holotype
Place
Niobrara County, Wyoming, United States, North America
Published Name
Edmontosaurus annectens (Marsh, 1892)
Claosaurus annectens Marsh, 1890
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Paleogeneral
Types: Reptiles/Amphibians
Reptilia Primary Type
Paleobiology
Taxonomy
Animalia Chordata Vertebrata Sauropsida Reptilia Archosauria Dinosauria Ornithischia Ornithopoda Hadrosauridae
Data Source
NMNH - Paleobiology Dept.
Link to Original Record
Record ID
nmnhpaleobiology_3448837