visual display for courtship and intimidation

Carcharocles chubutensis is an extinct species of shark that belongs to the genus Carcharocles

with a fusiform silhouette

dando un aspecto parecido a una pala o aspiradora

Spinosaurus mirabilis Diprotodon visual display for courtship andSpinosaurus 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