What the Heck Is That Thing?

• Autores: Steve Mirsky
• Localización: Scientific American, ISSN 0036-8733, Vol. 317, Nº. 4, 2017, págs. 90-90
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • The article offers information on cartilaginous creature, Helicoprion being extinct before dinosaurs. It mentions that Helicoprion was like the sea monster. It mentions that the teeth of Helicoprion were one humongous tooth, with visible crowns erupting from a single, continuous root. It states that Helicoprion was not shark.