Genus
Valid Extinct

Silvisaurus

Eaton 1960
Etymology Reptile de la forêt

Silvisaurus, from the Latin silva "woodland" and Greek sauros "lizard", is a nodosaurid ankylosaur from the Early to Late Cretaceous period. It is the only known dinosaur species named from terrestrial deposits in Kansas and was designated the official state land fossil in 2023.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Silvisaurus
click to enlarge
Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Ornithischia Unranked clade
›
Parapredentata Unranked clade
›
Saphornithischia Unranked clade
›
Prionodontia Unranked clade
›
Genasauria Unranked clade
›
Thyreophora Unranked clade
›
Thyreophoroidea Superfamily
›
Eurypoda Unranked clade
›
Ankylosauria Unranked clade
›
Euankylosauria Unranked clade
›
Nodosauridae Family
›
Silvisaurus Genus
Measurements
Length
4 m ⓘ
Silvisaurus condrayi 
4 m ⓘ
Mass
700 kg ⓘ
Silvisaurus condrayi 
Fossil sites 2 geolocated sites
Distribution
Top countries
🇺🇸 United States
2
Geological formations
Dakota
1
Temporal distribution
Campanian (83.6–72.2 Ma)
1
Albian (113.2–100.5 Ma)
1
Species (1)
Silvisaurus condrayi 106 Ma
Images 2
Bibliography
Original description
T. H. Eaton, Jr. 1960. A new armored dinosaur from the Cretaceous of Kansas. The University of Kansas Paleontological Contributions: Vertebrata 8:1-24
Bibliography (2)
G. A. Liggett. 2005. A review of the dinosaurs from Kansas. Transactions of the Kansas Academy of Science 108(1/2):1-14 DOI ↗
T. H. Eaton, Jr. 1960. A new armored dinosaur from the Cretaceous of Kansas. The University of Kansas Paleontological Contributions: Vertebrata 8:1-24