Stegosaurus “affinis”
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Dinosaur: Stegosaurus "affinis"
Period
Epoch: Late Jurassic
Stage: Late Kimmeridgian
Years: 154.8–149.2 Ma
Details
Status: nomen nudum
Author: Marsh
Year: 1881
Distribution
Area: North America
Country: USA
Region: Wyoming
Formation: Morrison
Sources
Material: Pubis (lost).
References: Galton, P. M. (2010) "Species of plated dinosaur Stegosaurus (Morrison Formation, Late Jurassic) of western USA: new type species designation needed".
