By José Carlos Cortés on @ryuukibart
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Name: Alcovasaurus longispinus
Name Meaning: Alcova Reptile
Described By: Galton and Carpenter
Classification: Dinosauria, Ornithischia, Genasauria, Thyreophora, Eurypoda, Stegosauria, Stegosauridae
Alcovasaurus was a Stegosaur from the Morrison Formation of Wyoming, living about 150 million years ago in the Tithonian age of the Late Jurassic. It was originally thought to be a species of Stegosaurus, but then the specimens were damaged; later, the specimen was named under a new genus by Ulansky, who, well, let’s just say Ulansky, much like Malkani, likes to name a lot of new taxa in ways that aren’t official and aren’t diagnostic (and I’m not paying attention to Ulansky taxa, mainly for my own sanity). The material was then actually given its own genus name in an official way, and unique traits were found for the genus in having a rear spike pair that was the same size as the front pair, where other Stegosaurs with rear spike pairs had ones smaller than the front pair in their thagomizers. It also had a shorter tail than Stegosaurus.
https://en.wikipedia.org/wiki/Alcovasaurus
Shout out goes to @convictionsofamadman!