Dinosaur fossils & 3D skeletons › Mosasaurus
Mosasaurus Fossil & 3D Skeleton
Mosasaurus hoffmannii
- Age
- Cretaceous, about 83.6–66 million years ago
- Found in
- USA, Poland, Netherlands
- Length
- 12.0 m
- Height
- 2.1 m
- Group
- Mosasaurs (marine reptiles, not dinosaurs)
How this 3D skeleton was made
This 3D model is a reconstruction. Most bone shapes (495 of 495) are estimated from close relatives and published reconstructions. The bone shapes are not the actual shapes of this species' fossils.
From this species 0Borrowed from relatives 0Estimated 495
Bones known from fossils
2 of 495 bones are known from fossils. 493 have no record.
Known 2Filled in 0No record 493
Tap a bone on the 3D page to see where each bone shape came from.
Sources
- 3D Skeleton: Reconstructed on this site using freely available materials (papers, public-domain books, Wikimedia photos) (2026-10-05). Out of 495 bones (excluding teeth), 0 bones were shaped from fossil photos, diagrams, or dimensions of this species; 0 bones borrowed shapes scaled from close relatives; and 495 bones were estimated. Sources used: Wikimedia Commons (authors listed in figures.json) (CC BY 2.0 / CC BY-SA 2.0 fr / CC BY-SA 3.0 / CC BY-SA 4.0 / CC0 / Public domain); Williston 1898 The University Geological Survey of Kansas 4 Paleontology part 1: 81-347, pls. 10-72 (archive.org/details/Mosasaurs-Williston1898) (Public domain (published before 1929 / marked Public Domain Mark on archive.org)); Williston 1914 Water reptiles of the past and present, University of Chicago Press (archive.org/details/waterreptilesofp00will) (Public domain (published before 1929 / author died in 1918)); Williston 1925 The osteology of the reptiles, Harvard University Press (archive.org/details/osteologyofrepti00will) (Public domain (published before 1929 / author died in 1918)). For copyrighted papers that cannot be freely used, only factual data such as reported dimensions were referenced.
- Discovered bones: 2 bones are documented in the literature as fossil finds or visible in photographs (the rest are undiscovered, or unknown from the literature)
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