Classification
Fossil sites 6 geolocated sites
Distribution
Top countries
Geological formations
Temporal distribution
Sinemurian
(199.5–192.9 Ma)
4
Hettangian
(201.4–199.5 Ma)
2
Bibliography
Original description
O. P. Hay. 1902. Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868
DOI ↗
Bibliography (3)
L. Dollo. 1909. The fossil vertebrates of Belgium. Annals of the New York Academy of Science 19(4):99-119
DOI ↗
T. Wright. 1860. On the Zone of Avicula contorta, and the Lower Lias of the South of England. Quarterly Journal of the Geological Society 16:374-411
DOI ↗
T. Hawkins. 1834. Memoirs of Ichthyosauri and Plesiosauri, Extinct Monsters of the Ancient Earth