Fig. 4 | Nature Communications

Fig. 4

From: A new Middle Jurassic diplodocoid suggests an earlier dispersal and diversification of sauropod dinosaurs

Fig. 4

Paleogeographic maps showing the formation and disappearance of an epicontinental seaway between Europe and Central Asia during the Middle Jurassic through Early Cretaceous. a Middle Jurassic (170 Ma); b Late Jurassic (160 Ma); c Early Cretaceous (138 Ma). The maps are based on ref. 48. Green indicates land, light blue shallow sea, and deep blue ocean. Abbreviations: R, Russian Platform Sea; T, Turgai Sea

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