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Correlation 1 > Biostratigraphy > Flashcards

Biostratigraphy Flashcards

1
Q

originally defined as groups of interbreeding organisms that are reproductively isolated from other such groups.

A

Species

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2
Q

Linnean Hierarchy

A 
Kingdom
Phylum
Class
Order
Family
Genus
Species
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3
Q

are distinct sets which show common characteristics that set them apart from others but which can be still considered of the same species.

A

Subspecies
and
Races

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4
Q

is a group of species that are closely related

A

Genus

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5
Q

only required for biostratigraphic purposes otherwise, it is common to identify and classify a fossil only to generic level

A

Subspecies and Races

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6
Q

is body of rock defined by its fossil content

A

Biostratigraphic Unit

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7
Q

The fundamental unit of biostratigraphy

A

Biozone

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8
Q

Sites where there is exceptional preservation of the soft parts of fossils provide tantalizing clues to the diversity of lifeforms

A

Lagerstatten

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9
Q

are deposits known for the exceptional preservation of fossilized organisms or traces

A

Konservat Lagerstatten

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10
Q

are deposits with a particular “concentration” of disarticulated organic hard parts, such as a bone bed.

A

Konzentrat Lagerstatten

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11
Q

An exposure of Middle Cambrian which contains one of the most important faunas in fossil record. This fossil locality believe to be the site of “Cambrian Explosion” which radiated 535 million years ago.

A

Burgess Shale

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12
Q

are units of stratigraphy that are defined by the zone fossils that they contain.

A

Biozone

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13
Q

main group of Paleozoic arthropods used in the zonation of the Cambrian period.

A

Trilobites

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14
Q

preferably in Silurian and Ordovician mudstones, and were used to indicate rapid evolution and have allowed a high-resolution biostratigraphy to develop the Silurian and Ordovician system.

A

Graptolites

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15
Q

regional correlation purposes only in Silurian rocks due to its sessile lifestyle

A

Brachiopods

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16
Q

main zone fossils for Mesozoic and became extinct at the end of the Cretaceous.

A

Ammonoids

17
Q

one of Ammonoids’ early form, have been used in correlation of Devonian and Carboniferous Rocks

A

Goniatites

18
Q

Abundant in Cenozoic rocks.

A

Gastropods

19
Q
  • are abundant in some Paleozoic limestones

- have been useful in correlation of regional and worldwide correlation in parts of Cretaceous

A

Echinoderms

20
Q

mostly contained in extensive outcrops of shallow marine limestones in Devonian and Lower Carboniferous (Mississippian rocks) and have been used as zone fossils within these strata.

A

Corals

21
Q

are taxa that leave fossil remains that are too small to be clearly seen wit the naked eye or hand lens.

A

Marine Microfossil

22
Q

Have been found as fossils in strata as old as the Cambrian. Have tests did not become established until Devonian

A

Forams

23
Q

important in dating of deep-marine deposits because their skeletons survive as siliceous ooze below CCD. Their stratigraphic range is also greater than Forams, making them important in dating Paleozoic Strata.

A

Radiolaria

24
Q

are the spherical calcareous cyst of marine algae and the main constituent of some fine-grained limestones such as the Chalk of the Upper Cretaceous in Northwest Europe. They are used biostratigraphically in Mesozoic and Cenozoic strata.

A

Coccoliths

25
Q

zonation is applied locally in both marine and non-marine environments

A

Ostracods

26
Q
  • are microscopic spiny structures made of organic material used in Proterozoic and Paleozoic rocks.
A

Acritarchs

27
Q

primitive organisms found from the Phanerozoic through to the present day and zonation are locally important.

A

Dinoflagellates

28
Q

is a single representative specimen against which other potential representatives of the species can be compared

A

Holotype

29
Q

additional information about the species can be

drawn through statistics about its shape, size

A

Morphometrics

Correlation 1 (17 decks)

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