[MtnClimber]

There are also layers dated to the same time showing wide deposits of small spherical rock showing melting and wide dispersion around this site.

[null and void]

It's telling enough that there are scattered dinosaurs fossils below that line, and none above, but given the rarity of these fossils hard to claim its a demarcation of the end of the dinosaurs.

More telling still are the Trillions and trillions of Foraminifera below that line. There are virtually none above.

These formed a thick soup of living things at the base of the food chain in every ocean on earth.

Every ocean on earth.

Gone in the blink of an eye.

Gone. In. Every. Ocean. On. Earth.

[Fungi]

This is akin to one giant meteor landing in Mexico and puff, the dinosaurs are gone. Why only dinosaurs? What about elephants and gazelles? The science is dubious and only for the faint of heart.