Syngonosaurus macrocercus
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Dinosaur: Syngonosaurus macrocercus

Period
Epoch: Early Cretaceous - Late Cretaceous
Stage: Late Albian-Cenomanian
Years: 113–93.9 Ma
Details
Status: nomen dubium
Author: Seeley
Year: 1879
Distribution
Area: Europe
Country: United Kingdom
Region: England
Formation: Cambridge Greensand
Sources
Material: Cervical, nine dorsal, four sacral and five caudal vertebrae.
References: Paul M. Barrett & Joseph A. Bonsor (2020). A revision of the non-avian dinosaurs 'Eucercosaurus tanyspondylus' and 'Syngonosaurus macrocercus' from the Cambridge Greensand, UK.