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What period of time did ammonites live in?
Devonian to cretaceous is the the geological age of ammonoids They first appeared during the Devonian Period (approximately 410 million years ago). They almost died out at the end of the Permian Period (251 million years ago), and again at the end of the Triassic Period (205 million years ago). They finally became extinct at the end of the Cretaceous Period (65 million years ago), perhaps as a result of a lowering of ocean levels.
12 periods in order from the preCambrian to the quaternary?
The 11 geological periods from Precambrian to Quaternary are :-Paleozoic Era Cambrian Period - 542 to 488.3 million years agoOrdovician Period - 488.3 to 443.7 MaSilurian Period - 443.7 to 416 MaDevonian Period - 416 to 359.2 MaCarboniferous Period - 359.2 to 299 MaPermian Period - 299 to 251 MaMesozoic Era Triassic Period - 251 to 199.6 MaJurassic Period - 199.6 to 145.5 MaCretaceous Period - 145.5 to 65.5 MaCenozoic Era Paleogene Period - 65.5 to 23.3 MaNeogene Period - 23.3 to 2.588 Ma
Can you get pregnant while on your period but no sperm came out after sex during my period?
Yes you can get pregnant while on your period -
Do you get discharge if you have not had your period?
Yes. You get discharge before you get your period.
The time it takes two successive crests of an ocean wave to pass a given point is called a?
A wave length.
What period does the Brontosaurus live?
It live on Late Jurassic Period, 154-150Ma.
What period do we live in?
we currently live in the Quaternary period, the period of humans. If you do not trust this answer, please go to chacha.com/answers We live in the age of modern science thanks Ebony
In which prehistoric period did the triceratops live?
the critatios period
What time period did the Bachipods live in?
Ordovician Period
What time period did ankylosaurs live?
Cretaceous period
What time period did iguanodon live in?
Cretaceous period,
Which period did Ichthyostega live in?
they lived in the cretaceous period
What geological era do we live in?
We live in the Quaternary period, which is part of the Cenozoic era.
What is the scientific name of the big pig in the Denver museum of nature and science?
The scientific name for the big pig in the Denver Museum of Nature and Science is "Brachiosaurus altithorax."
What period did the brachiosaurus live in?
the brachiosaurus lived in the Jurassic period
What time period did the allasorous live in?
It lived in the Jurassic period.
What period did papsourolophus live in?
Parasaurolophus lived in the Cretaceous period.
