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Early Paleozoic
Cambrian (542-488 Ma) Ordovician (488-444 Ma) Silurian
(444-416 Ma)
TERM 2
Late Paleozoic
DEFINITION 2
Devonian (416-359 Ma) Carboniferous - Mississippian (359-
318 Ma) -Pennsylvanian (318-299 Ma) Permian (299-252 Ma)
TERM 3
Pannotia
DEFINITION 3
Supercontintent Pannotia breaks apart at or nearbeginning of
Cambrian.
TERM 4
Pangea
DEFINITION 4
Fragments would begin to collide and reassemble toform
Pangea by end of Permian.
TERM 5
Four major continents of the Paleozoic
DEFINITION 5
Gondwana Laurentia Baltica Siberia
Epeiric Seas
An inland sea is a shallow sea that covers central areas of
continents during periods of high sea level that result in
marine transgressions.
TERM 7
Mobile Belts
DEFINITION 7
Appalachian Cordilleran Ouachita Franklin
TERM 8
Coal Formation
DEFINITION 8
Formed during the Pennslyvanian period of the paleozoic
TERM 9
5 major mountain Building Episodes
DEFINITION 9
Sonoman, Larimide, Antler, Sevier,nevadan
TERM 10
Cyclotherms
DEFINITION 10
Most important geological of the Pennsylvanian. COAL
BASINS
Which group of fish lead to tetrapods?
Lobefinned
TERM 17
The Burgess Shale fauna
DEFINITION 17
510 million-year-old marine community Unique window into
Cambrian life Well-preserved soft-bodied organisms
TERM 18
The Chengjiang
fauna
DEFINITION 18
530 million-year-old fauna Over 180 species, including oldest
vertebratespecimens
TERM 19
Vertebrates
DEFINITION 19
Vertebrates belong to the Phylum Chordata. Notochord Gill
slits Nerve cord Tail
TERM 20
What was the most important evolutionary
step in all invertabrate history?
DEFINITION 20
Jaws
What was the Devonian period know as?
The age of fish
TERM 22
How did the paleozoic
end?
DEFINITION 22
A supervolcano ended it with major mass extiction
TERM 23
Evolution of Mammalness
DEFINITION 23
occured in the PermianLimb placementDifferentiated teeth
Skull constructionMiddle ear region
TERM 24
Mesozoic
DEFINITION 24
The Mesozoic Era is an interval of geological time from about
. It is often referred to as the Age of Reptiles because
reptiles, namely non-avian dinosaurs, were the dominant
terrestrial and marine vertebrates of the time.
TERM 25
Mesozoic time periods
DEFINITION 25
TriassicJurassicCretaceous
Sevier orogeny
Durnig the CretaceousA second tectonic phase east of the
present-day Sierra Nevada mountains. Involved folding and
eastward thrusting in what is nowthe Great Basin.Thrust
faults shortened the crust by more than 100 km (60 mi) in
the Nevada-Utah region.
TERM 32
Laramide Orogeny
DEFINITION 32
Late cretaceous to Cenozoic Deformation shifted eastward
toward the craton. The Rocky Mountains formed in New
Mexico, Colorado, and Wyoming. The present-day landscape,
is primarily the result of Cenozoic erosion and uplift.
TERM 33
Chinle Formation
DEFINITION 33
Shale, silty shale, sandstone and volcanic ash deposited
inmeandering channels, stream valleys and lakes. In the
Upper triassic
TERM 34
When did flowering plants occur?
DEFINITION 34
During the Cretaceous Period
TERM 35
Where did mammals and birds evolve from?
DEFINITION 35
Ancestral reptile lineages
what group of animals developed
characteristics for dating?
Amminoid Sutures
TERM 37
What were the first flowering plants
called
DEFINITION 37
Angiosperms
TERM 38
What was the first vertebrate to achieve
flight?
DEFINITION 38
Pterosaurs
TERM 39
Bird Hipped
DEFINITION 39
Ornithischia
TERM 40
Lizzard Hipped
DEFINITION 40
Saurischia
What was the most recent episode for an ice
age?
The pleistocene glaciation
TERM 47
What are pluvial lakes
DEFINITION 47
Lakes caused by glaciation.Existed in what are now arid
parts of western United States. Greater precipitation and
overall cooler temperatures. Lake Bonneville was
about50,000 km2 and 335 m deep. Lake Manly was 145 km
long, 180 m deep
TERM 48
WHat are ungulate mammals? How do the
differ?
DEFINITION 48
hoofed mammalseven toed-Artiodactylsodd toed-
Perrissodactyls
TERM 49
What was the primitave group of primates
and what were some adaptions for tree life?
DEFINITION 49
Procimians, Large brains opposible thumbs, and stereoscopic
vision.
TERM 50
Adaptations from land dwelling animals to
aquatic whales
DEFINITION 50
Front limbs modified flippers, rear limbs lost, nostrils
migrated to the top of head, and modificarions to the ear and
sinus cavity.
What epoch did horses began to diversify?
and what groups where they?
During the miocene and went from browsers to grazers.
TERM 52
What was the biggest land animal ever?
DEFINITION 52
Indricotherium
TERM 53
What was the more evolved group of
primates?
DEFINITION 53
Anthropoids
TERM 54
What primates make up
anthropoids?
DEFINITION 54
homonoids and old and new wold monkeys
TERM 55
Adaptions for bipedal locomotion
DEFINITION 55
Foramen magnumlumbar curvepelvisElongates lower
limbsfemurArchitecture of feet
