Mamenchisaurus hochuanensis Scale:1:35 Thylacoleo carnifex lived in diverse

Thylacoleo carnifex lived in diverse Australian environments

Although the fossil materials are not complete

The discovery of Spicomellus afer has had a major impact on paleontology because it demonstrates that ankylosaurs were already diversified in the Middle Jurassic

Length 144mm

and striated teeth

Mamenchisaurus hochuanensis Scale:1:35 Thylacoleo carnifex lived in diverseMamenchisaurus hochuanensis is a sauropod dinosaur from the Late Jurassic (approx. 160 million years ago), belonging to the Mamenchisauridae clade, described from fossil remains found in the Shaximiao Formation, in Sichuan Province (China). This taxon is particularly known for having one of the proportionately longest necks among known terrestrial vertebrates, constituting an extreme case of cervical elongation within sauropods. From a biometric point