Mamenchisaurus hochuanensis | AMNH https://www.amnh.org/explore/ology/ology-cards/340-mamenchisaurus-hochuanensis
Sauropods weren’t just the largest dinosaurs. They were also the largest animals to ever live on land. The sauropod Mamenchisaurus (Mah-MEN-chi-SAWR-us) lived about 160 million years ago.
they were „big enough“ for them to find food and herd