Geological Timeline Flashcards
1
Q
Ordovician
A
invertebrates diversify
1
Q
Cambrian
A
first chordates appear
2
Q
Silurian
A
jawed fish spread
3
Q
Devonian
A
first insects, first amphibians
4
Q
Carboniferous
A
age of the ferns, first reptiles
5
Q
Permian
A
reptiles diversify
6
Q
Triassic
A
dinosaurs
7
Q
Jurassic
A
birds
8
Q
cretaceous
A
mammals
9
Q
palogene
A
all modern mammals are represented
10
Q
neogene
A
first hominids appear
11
Q
Quaternary
A
ice age, rise of the homo sapiens