K-Pg Boundary Layer - Death of the Dinosaurs - Display Card rockinaboxlabrea Download the free PDF version

Download the free PDF version of the Fourth Edition Companion Guide

ROUGH OPAL (Australia)

The surrounding matrix also includes a number of additional small fossils

It is known from two species Nematonotus bottae and Nematonotus longispinus of which the latter’s fin is more prominent

the quarry was discovered in 1897 and named for a local sheepherder's cabin which was constructed out of dinosaur bones

K-Pg Boundary Layer - Death of the Dinosaurs - Display Card rockinaboxlabrea Download the free PDF versionBy the end of the Mesozoic, dinosaurs had ruled the Earth for 175 million years, evolving into innumerable forms across the years. All that ended with a six mile long asteroid that wiped out all non avian dinosaurs in one fell swoop. Evidence of this impact can be found in a globally distributed strip of iridium, an element brought to Earth by the asteroid. This specimen is a collection of material from this K Pg Boundary geologic layer, a relic from