Paleozoic
Most of the world's coal formed in this time.
What was the Carboniferous (Mississippian and Pennsylvanian)?
This volcanism caused the mass extinction at the end of the Triassic Period.
What were the C.A.M.P volcanics?
The Cenozoic is the age of ________________.
What are mammals?
Lowland basins that form next to mountain ranges where coal swamps form.
What are foreland basins?
Mammal-like reptiles with 1 temporal fenestrae, 3 ear bones, and differentiated teeth.
What are synapsid reptiles?
The name of the volcanism that caused the Permian extinction.
What was the Siberian Traps?
The period of time when dinosaurs were at their most abundant, diverse, and dominant.
What is the Cretaceous?
Whales have these, evidence that they evolved from four-legged land ancestors.
What are vestigial limbs?
Eruptions of the Yellowstone hot spot are much more explosive that eruptions of the Hawaiian hotspot because of this.
What is continental crust vs. oceanic crust?
T-rex and other carnivorous dinosaurs are this type of Saurischian.
What were therapods?
The earliest reptiles evolved in this period.
What was the Pennsylvanian Period?
The Sonoma Orogeny helped to form these mountains in the Triassic Period.
What are the Rocky Mts.?
This geologic province, which includes most of Nevada and other parts of the southwestern US, formed due to extention along normal faults.
What is the Basin and Range?
The 3 Appalachian orogenies.
What are the Taconic, Acadian, and Alleghenian orogenies?
The first jaws evolved from this fish body part in the Silurian Period.
What are gill arches?
The Paleozoic Period in which the first jawed fish evolved, called Acanthodians.
What was the Silurian?
This Rocky Mountain Orogeny was in the Late Jurassic Period.
What was the Nevadan Orogeny?
This element was found in abundance in KPg boundary sediments, evidence of a meteorite impact that lead to the KPG mass extinction.
What is Iridium?
The volcanism that ended the Paleozoic Era was so much worse because it erupted through layers of evaporites and this carbon-rich former plant material.
What is coal?
The first animals to walk on land, also known as "sea scorpions."
What were eurypterids?
The last of the trilobites perished in a mass extinction at the end of this time period.
What is the Permian Period?
This major transgression was responsible for the formation of the Cretaceous Interior Seaway.
What is cooler and dryer?
This supercontinent assembled in the Pennsylvanian Period broke up in the Triassic Period.
What was Pangaea?
Many dinosaur fossils have been found with imprints of these, suggesting that they are the ancestors of birds.
What are feathers?