Fig. 1. A in First evidence of a mamenchisaurid dinosaur from the Upper Jurassic-Lower Cretaceous Phu Kradung Formation of Thailand

Fig. 1. A. Location of the study area on the map of Thailand. B. A map of sauropod distribution in the Late Jurassic–Early Cretaceous, Phu Kradung Formation of the Kalasin−Mukdahan region, northeastern Thailand; Phu Dan Ma in Kuchi Narai District, Kalasin Province and Dan Luang in Khamcha−i District, Mukdahan Province.