Helicoprion Scale:1:20 Longitud 197 mm

Longitud 197 mm

Approximate measurements of the Tsintaosaurus:

approximately 154-150 million years ago

que probablemente cumplía una función termorreguladora

un grupo de herbívoros conocidos por sus característicos cuernos y volantes óseos en la parte posterior de la cabeza

Helicoprion Scale:1:20 Longitud 197 mmHelicoprion ( H. ergassaminon , 'Saw coil') is a genus of extinct cartilaginous fish that resembled sharks in appearance and behavior. This genus first emerged in the oceans of the Late Carboniferous, approximately 290 million years ago, and survived the Permian Triassic mass extinction, which occurred about 252 million years ago. However, it finally became extinct in the Late Triassic, approximately 225 million years ago. The most remarkable feature