База данных динозавров:

Общее количество образцов: 1365

name	Styxosaurus (Стиксозавр)
period	Late Cretaceous (Верхний мел)
period_mya	66
date_from	89.3 million years ago
date_to	Maastrichtian Age (Маастрихтский ярус)
date_from2	89.3
date_to2	66
lived_in	a marine environment (морская среда)
was_a	carnivore (хищники)
reproduced_by	live birth (живорождение)
url	https://dinosaurpictures.org/Styxosaurus-pictures
articles	J. E. Martin and L. E. Kennedy. 1988. A plesiosaur with stomach contents from the Late Cretaceous (Campanian) Pierre Shale of South Dakota: a prelimiinary report. Proceedings of the South Dakota Academy of Sciences 67:76-79 S. P. Welles and J. D. Bump. 1949. Alzadasaurus pembertoni, a new elasmosaur from the Upper Cretaceous of South Dakota. Journal of Paleontology 23(5):521-535 K. Carpenter. 1999. Revision of North American elasmosaurs from the Cretaceous of the Western Interior. Paludicola 2(2):148-173 D. J. Cicimurri and M. J. Everhart. 2001. An elasmosaur with stomach contents and gastroliths from the Pierre Shale (Late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science 104(3-4):129-143 S. W. Williston. 1890. A new plesiosaur from the Niobrara Cretaceous of Kansas. Transactions of the Kansas Academy of Science 12:174-178 E. D. Cope. 1877. Report on the geology of the region of the Judith River, Montana, and on vertebrate fossils obtained on or near the Missouri River. Bulletin of the United States Geological and Geographical Survey 3(3):565-597 S. W. Williston. 1906. North American plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus. The American Journal of Science, series 4 21:221-236
trophic_level	carnivore (хищники)
habitat	marine (морской)
motility	actively mobile (подвижный)
points	38.9 -101.133, 43.4127 -103.312, 43.3785 -104.223, 43.6317 -99.3606, 42.7 -96.8158, 38.753 -100.726, 38.753 -100.725, 38.9506 -101.162,