Genus: Natronasaurus ULANSKY, 2014a
Etymology:
Species: longispinus (GILMORE, 1914) ULANSKY, 2014a
Etymology:
= Stegosaurus longispinus GILMORE,
1914
Holotype: (UW 20503) D54
Locality: About 1 1/2 miles east of Alcova, Natrona County, Wyoming.
Horizon: Member? Morrison Formation.
Biostratigraphy: Zone?
Age: Age?, Stage?, Malm Epoch, Late Jurassic.
Material: 42 vertebrae, fragmentary sacrum, 2 ischia, portion of one pubis,
right femur, several ribs and 4 dermal tail spines.
Note: Lost?
Note: USNM has casts of the tail spines.