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Stegosaurus duplex
Taxonomy
Stegosaurus duplex was named by Marsh (1887). Its type specimen is YPM 1858, a set of postcrania, and it is a 3D body fossil. Its type locality is Quarry 11, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian wet floodplain mudstone in the Morrison Formation of Wyoming.
It was synonymized subjectively with Stegosaurus ungulatus by Lull (1910), Gilmore (1914), Hennig (1915) and Bakker (1990); it was synonymized subjectively with Stegosaurus armatus by Kuhn (1964), Galton (1990), Olshevsky and Ford (1993), Galton and Upchurch (2004) and Maidment et al. (2008).
It was synonymized subjectively with Stegosaurus ungulatus by Lull (1910), Gilmore (1914), Hennig (1915) and Bakker (1990); it was synonymized subjectively with Stegosaurus armatus by Kuhn (1964), Galton (1990), Olshevsky and Ford (1993), Galton and Upchurch (2004) and Maidment et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Stegosaurus duplex Marsh p. 416 |
| 1890 | Stegosaurus duplex Zittel p. 748 |
| 1893 | Stegosaurus duplex Winkler p. 105 |
| 1896 | Stegosaurus duplex Marsh p. 193 |
| 1901 | Stegosaurus duplex Nopcsa p. 215 |
| 1902 | Stegosaurus duplex Hay p. 496 |
| 1916 | Stegosaurus duplex Mook p. 145 |
| 1930 | Stegosaurus duplex Hay p. 234 |
| 2010 | Stegosaurus duplex Galton p. 194 |
| 2014 | Stegosaurus duplex Ulansky p. 7 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Stegosaurus duplex Marsh 1887
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Diagnosis
No diagnoses are available