Dinosaur: Alcovasaurus longispinus
Jurassic: 154.8–145 Ma
| Length*: | 6.1 m | 20.0 ft |
| Weight*: | 1.5 tons | 3,307 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Kimmeridgian-Tithonian
Years: 154.8–145 Ma
Details
Status: valid
Author: Galton & Carpenter
Year: 2016
Distribution
Area: North America
Country: USA
Region: Wyoming
Formation: Morrison
Sources
Material: Forty two vertebrae, sacrum, three anterior caudal centra, parts of both ilia and ischia, left pubis, right femur and dermal caudal spines. Referred large spike ?
References: Francisco Costa & OctÃvio Mateus (2019) Dacentrurine stegosaurs (Dinosauria): A new specimen of Miragaia longicollum from the Late Jurassic of Portugal resolves taxonomical validity and shows the occurrence of the clade in North America.
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