Term
Most modern phyla of organisms were established by this time.
A. Cambrian
B. Ordovician
C. Late Precambrian (Vendian)
D. Middle Proterozoic.
E. Permian. |
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Definition
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Term
Also known as “sunflower corals”.
A. stromatolites.
B. recaeptaculids
C. tracheophytes
D. bryophytes.
E. rhizomes. |
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Definition
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Term
First unquestioned vascular plants are called.
A. rhizomes.
B. receptaculids.
C. psilophytes.
D. dasycladaea
E. chlorophytes. |
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Definition
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Term
This plant has leaf scars that occur in parallel rows.
A. Lycopodium.
B. Sigularia
C. Lepidodendron.
D. Calamites. |
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Definition
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Term
This ancient plant group had thick core pith and leaves in rings.
A. Lycopsids.
B. Psilphytes.
C. Tracheophytes.
D. Sphenopsids.
E. Cordiates. |
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Definition
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Term
A common sphenopsid fossil.
A. Calamites.
B. Sigilaria.
C. Lepidodendron.
D. Lycopodium.
E. Neuropteris. |
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Definition
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Term
Which of the following genera first evolved in the drier climates of the Permian Period?
A. Ginko.
B. Calamites.
C. Cloudina.
D. Annularia.
E. Lycopodium. |
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Definition
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Term
Tubular fossils of Tommotian age in Siberia (forms three tubes).
A. Lapworthella.
B. Cloudina.
C. Ginkgo.
D. anabaritids.
E. onycophorans. |
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Definition
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Term
Location of the site of the Burgess Shale.
A. Chengjia, China.
B. Great Britain.
C. British Columbia.
D. Nova Scotia. |
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Definition
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Term
The Burgess Shale fossil with a notocord and a V-shaped muscle bands for sinuous movement.
A. Opabinia.
B. Pikaia.
C. Hallucigenia.
D. Anomalocaris. |
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Definition
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Term
Fierce predator of the Burgess Shale.
A. Anomalocaris.
B. Pikaia.
C. Hallucingenia.
D. Cloudina. |
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Definition
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Term
Siliceous microfossils that evolved during the early Paleozoic.
A. Anomalocaris.
B. Pikaia.
C. foraminifera
D. radiolarians.
E. fusulinids. |
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Definition
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Term
Colonian organism that became extinct at the end of the Cambrian Period.
A. Pikaia.
B. archaeocyathids.
C. radiolarians.
D. foraminifers.
E. bryozoans. |
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Definition
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Term
Cambrian sponge that serves as a useful guide fossi.
A. Protospongia
B. Asterospongium.
C. Hydonoceras.
D. Astylospongia. |
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Definition
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Term
An example of a member of the Cnidaria.
A. sponge.
B. foraminifera.
C. vascular plant
D. sea lilly.
E. jelly fish. |
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Definition
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Term
Corals with septa in four locations within the theca.
A. scleractinian.
B. rugose
C. honey comb
D. chain. |
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Definition
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Term
Very common Silurian tabulate (honey comb) coral.
A. Fistulipora
B. Hallopora.
C. Favosites.
D. Microspongia.
E. Archimedes |
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Definition
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Term
Key reef builders throughout the Paleozoic.
A. rugose corals.
B. stromatoporoids.
C. forminifers.
D. stony corals.
E. archaeocyathids. |
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Definition
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Term
Encrusting Paleozoic bryozoan.
A. Fistulipora.
B. Hallopora.
C. Constellaria.
D. Archimedes. |
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Definition
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Term
Group of invertebrates with two valves hinged along a posterior margin that bears “teeth” and “sockets”.
A. fenestellid bryozoans.
B. arborescent bryozoans.
C. articulate brachiopods
D. inarticulate brachiopods.
E. trilobites. |
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Definition
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Term
Support structure (mode of flesh) for some brachiopods.
A. lophophore.
B. zooarium.
C. pedicle.
D. valve.
E. theca. |
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Definition
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Term
Shell is symmetrical perpendicular to the plane of commissure (plane of opening)
A. mollusks.
B. brachiopods.
C. foraminifers.
D. bryozoans.
E. gastropods. |
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Definition
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Term
Late Paleozoic articulate brachiopod especially common in the Carboniferous and Permian.
A. spifierids.
B. pentamerids.
C. orthids.
D. dtrophomenids.
E. productids. |
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Definition
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Term
Cephalopods that show a simple pattern in their chamber suture.
A. palcophorans.
B. productids.
C. ammonites.
D. nautiloids.
E. ammonoids. |
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Definition
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Term
First ammonoids cephalopod that appeared in the Devonian.
A. goniatites.
B. nautiloids.
C. ostracodes.
D. eurypterids.
E. trilobites. |
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Definition
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Term
Middle Cambrian trilobite that is commonly considered a good “index fossil”.
A. Nautilus.
B. Olenellus.
C. Arkarua
D. Paradoxides.
E. Euprimita. |
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Definition
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Term
Scorpion-like arthropods, up to 3-m long, that were common in the Silurian Period.
A. trilobites.
B. eurypterids.
C. nautiloids.
D. goniatites.
E. ostracodes. |
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Definition
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Term
The class within the Phylum Echinodermata that includes the sea lilies.
A. Asteroidea.
B. Blastoidea.
C. Crinoidea.
D. Cystoidea
E. Edrioasteroidea. |
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Definition
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Term
A cystoid echinoderm that became extinct in the Permian.
A. asteroid.
B. blastoid.
C. crinoid.
D. cystoid.
A. echinoid. |
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Definition
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Term
Age of rocks containing significant numbers of very large dragonflies.
A. Ordovician.
B. Silurian.
C. Devonian.
D. Pennsylvanian.
E. Permian. |
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Definition
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Term
Soft-body fossil of the “conodont animal” found in the Soom Shale of South Africa.
A. Pteraspis.
B. Brachiostoma.
C. Promissium.
D. Dunkleostus. |
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Definition
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Term
The taxonomic group containing the body fishes.
A. Agnatha
B. Acanthodii.
C. Placodermi.
D. Condrichthyes.
E. Osteichthyes. |
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Definition
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Term
A late Paleozoic shark genus.
A. Promissium.
B. Pteraspis.
C. Theolodus.
D. Cladoselache
E. Xenacanthus. |
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Definition
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Term
An important lungfish fossil of the Devonian.
A. Cheirolepus.
B. Cacops.
C. Eusthenopteron
D. Dimetrodon.
E. Cygnathus. |
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Definition
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Term
Victims of the first phase of the two-phase Late Ordovician mass extinction.
A. corals and conodonts.
B. bryozoans and trilobites.
C. graptolites and trilobites.
D. Edaphosaurus and Dimetrodon.
E. pelcosaurs and theraspids. |
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Definition
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Term
Called “Mother of Mass Extinctions” by Doug Erwin of the Smithsonian because of the extremely high percentage species of marine organisms.
A. Late Ordovician.
B. Late Devonian.
C. Late Permian.
D. Late Cambrian. |
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Definition
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Term
In the Late Permian, what group of spore-bearing plants were replaced by what group of taxa on the continents.
A. fusulinids.
B. placoderms.
C. conifers.
D. stromatoporoids.
E. angiosperms. |
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Definition
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Term
Extinction related to the assemblage (construction) of Pangea.
A. trilobites.
B. conodonts.
C. therapsids.
D. fusulinids.
E. graptolites. |
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Definition
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Term
Time of mass extinction as two major polar ice caps (north and south poles) developed.
A. Late Cambrian.
B. Late Ordovician.
C. Late Devonian.
D. Late Permian. |
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Definition
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Term
Economically important Silurian age deposits of this material accumulated in the southern Appalachians, particularly around Birmingham, Alabama.
A. coal
B. iron ore
C. copper
D. salt
E. oil |
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Definition
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Term
By the Ordovician Period, Gondwanaland moved toward the South Pole. This led to what event that occurred in Africa?
A. orogeny
B. glaciation
C. sea level rise
D. opening of Iapetus Ocean
E. rifting |
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Definition
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Term
Following the Taconic Orogeny in the eastern US, this was deposited:
A. evaporite deposits
B. deep water black shales with graptolites
C. shallow water carbonate deposits
D. St. Peter Sandstone
E. red sediments of the Queenston clastic wedge |
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Definition
| E. red sediments of the Queenston clastic wedge |
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Term
Volcanism during the Ordovician resulted in widespread beds of volcanic ash, now weathered to a clay called this:
A. tasmanite
B. tillite
C. bentonite
D. taconite
E. saprolite |
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Definition
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Term
When the Tippecanoe Sea flooded North America, it deposited this unusually pure unit of well sorted, well rounded grains, which is used in glass manufacturing:
A. Queenston clastic wedge
B. Tapeats Sandstone
C. Lockport Dolomite
D. St. Peter Sandstone
E. Sauk Sequence |
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Definition
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Term
Near the end of the Tippecanoe sequence, landlocked reef-fringed basins developed in the Great Lakes area. During the Silurian, this was deposited within the Michigan Basin basin:
A. coal
B. rock salt and gypsum
C. deep water black shales with graptolites
D. red clastic sediments
E. carbonate sediments |
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Definition
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Term
This strange lobster-like arthropod is found in early Silurian deposits that may be brackish to freshwater or abnormally saline because they are not found in association with normal marine fossils.
A. trilobite
B. brine shrimp
C. insect
D. eurypterid
E. scorpion |
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Definition
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Term
The abundance of clean quartz sands and carbonate rocks with stromatolites, mudcracks, and marine fossils and in the Cambrian indicates:
A. the climate was cold and dry
B. the seas were cold and deep
C. the seas were shallow and warm
D. orogenies were occurring nearby
E. nearby mountains were rapidly eroding |
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Definition
| C. the seas were shallow and warm |
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Term
During the Neoproterozoic and Early Paleozoic, glaciations occurred when:
A. the continents were clustered around the north pole
B. the continents were clustered around the south pole
C. the continents were clustered near the equator
D. the continents were widely separated and scattered over the globe
E. the continents were flooded by shallow seas |
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Definition
| A. the continents were clustered around the north pole |
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Term
The Paleozoic sedimentary record across the North American craton has been divided into unconformity-bounded cratonic sequences with names such as Sauk, Tippecanoe, Kaskaskia, and Absaroka. Each sequence documents what sort of events?
A. orogeny followed by deposition of a clastic wedge
B. evolution followed by extinction
C. opening and closing of an ocean basin
D. volcanic eruption and ash fall
E. transgression followed by regression |
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Definition
| E. transgression followed by regression |
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Term
During the Early Paleozoic, the continent that corresponds most closely to North America was called:
A. Laurentia
B. Baltica
C. Rodinia
D. Gondwanaland
E. Ouachita embayment |
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Definition
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Term
During the Early Paleozoic, the ocean that lay roughly in the position of the Atlantic Ocean was called:
A. Mirovia
B. Tethys Sea
C. Iapetus
D. epicontinental sea
E. Rodinia |
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Definition
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Term
A transgression is a:
A. sea level rise
B. sea level drop
C. time of increased orogeny
D. time of rapid sedimentation
E. time of rapid erosion |
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Definition
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Term
Today, the base of the Cambrian System is placed at what sort of feature?
A. a volcanic ash bed
B. an unconformity
C. oldest occurrence of a certain trace fossil
D. the first shell-bearing organisms
E. beginning of a major transgression |
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Definition
| C. oldest occurrence of a certain trace fossil |
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Term
During the Early Paleozoic, Laurentia was located here on the globe:
A. on the equator
B. near the north pole
C. near the south pole
D. in the same position that North America currently occupies
E. in the same position that South America currently occupies |
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Definition
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