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What else can I help you with?
What kinds of shells are in the devonian?
The Devonian Period, which is about 417 to 354 million years ago, is in the Paleozoic Era. The most common shell fossils from the Devonian Period are those of Brachiopods, whose shells are symmetrical but unequal in size. Today they are mostly extinct.
What does 'Devonian' mean?
The Devonian is a geologic time period and system of the Paleozoic era spanning from 416 to 359 million years ago. It is named after rocks that were studied in Devon, England. It comes between the Silurian and the Cretaceous periods.
After precambrian time what are the two basic divisions of the geologic time scale?
The two basic divisions following the Precambrian on the geologic time scale are the Paleozoic Era and the Mesozoic Era. These eras are further divided into periods, such as the Cambrian, Devonian, and Permian in the Paleozoic Era, and the Triassic, Jurassic, and Cretaceous in the Mesozoic Era.
What era and what period occurred during 418 to 355 million years ago and describe what was present during this time frame?
The era from 418 to 355 million years ago was the Paleozoic Era that existed during the Middle of the Silurian Period and at the end of the Devonian Period. Jawed fish, Arachnids, Eurypterids, Land Plants, Devonian Forests, Sharks, Lung Fish, and Bony Fish were present during this time frame.
What are the time periods of the paleozoic era?
From youngest to oldest: 1. Permian 2. Pennsylvanian 3. Mississippian 4. Devonian 5. Silurian 6. Ordovician 7. Cambrian
In what era did fish appear?
the palezoic and the period is devonian!! your welcome!
What era did fishes appear?
the palezoic and the period is devonian!! your welcome!
How long ago was the Devonian Period?
The Devonian Period lasted from about 395 to 345 million years ago. It is part of the Paleozoic Era.
What period in the paleozoic era was the age of fishes?
The Devonian is known as the Age of Fishes.
Are amphibians from the Jurassic era?
No. Although there were amphibians the Jurassic, they first appeared in the Devonian.
What era did the dinosars live in?
If I'm correct, they appeared after the Devonian era. You might want to google that s**t though.
What are the period of the Paleozoic era?
Starting with the oldest, they are the: Cambrian, Ordivician, Silurian, Devonian, Carboniferous, and Permian.
What eon was ammonites introduced?
Ammonites first appeared during the Devonian Period within the Paleozoic Era.
What period did animals first begin to invade the land?
If you mean animals as in insects (arthropods), they came in around the Devonian period of the Paleozoic era If you mean animals as in fish, amphibians etc then they came in at the same time as the arthropods
What kinds of shells are in the devonian?
The Devonian Period, which is about 417 to 354 million years ago, is in the Paleozoic Era. The most common shell fossils from the Devonian Period are those of Brachiopods, whose shells are symmetrical but unequal in size. Today they are mostly extinct.
How lond did the paleozoic era last?
The Paleozoic Era Lasted about 2799. You can add all the numbers of the: Permian, Carboniferous, Devonian, Silurian, Ordovician, and the Cambrian. Add all of there numbers of how long each era lasted. So that's how long the Paleozoic Era Lasted ("2799")
When did the first amphibians appear?
6 billion years ago No, the Earth is only 4.6 billion years old. Amphibians appeared on Earth during the late Devonian period in the Paleozoic Era about 365 million years ago. Hope that helps!
