or intraspecific interaction

Originally described by Hans-Dieter Sues in 1978

as it features unique characteristics compared to other known thyreophorans

curved ribs that protected their internal organs

Spinosaurus mirabilis Variant:Hand-painted or intraspecific interactionSpinosaurus mirabilis is a recently described species of spinosaurid theropod dinosaur from fossil material found in the central Sahara, in the Jenguebi region of Niger, within early to middle Cenomanian river sediments, approximately 95 million years old. The species was formally established in a study led by Paul Sereno and colleagues, published in the journal Science in 2016, making it the first valid new species of the genus Spinosaurus described