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When did the first mollusk appear?
Well they appeared in the Precambrian Era, as bacteria. The Paleozoic, as trilobites, brachiopods and fish.
Why did brachiopods go extinct?
Most brachiopods became extinct about 250 million years ago during the P-T Extinction period. Modern day brachiopods do still exist in the form of lingula.
Is where trilobites and brachiopods appeared?
Trilobites and brachiopods first appeared during the Cambrian period, around 541 million years ago. They were both abundant and diverse in the ancient oceans, contributing to the biodiversity of marine life during that time.
What modern day animals are brachiopods realted to?
Brachiopods are related to Brachiopods, they exist in the modern day just not as abundantly as in the past.
What is another name for brachiopods?
Brachiopods are also known as lamp shells. They are marine animals that have a lifespan that ranges from 3 to 30+ years.
What animals went extimct in the Silurian period?
Brachiopods,Bivalves,Echinoderms,Bryozoans,and some corals went extinct and yes these are real words.
What era were the brachiopods from?
Paleozoic
What kinds of shells are in the devonian?
In the Devonian period, marine organisms with shells such as brachiopods, bivalves, gastropods, cephalopods, and trilobites were common. These shells varied in size, shape, and composition, reflecting the diverse marine ecosystems of the time.
How are brachiopods formed?
Brachiopods are a type of marine invertebrate that develop through a process similar to other marine organisms. They begin as larvae that settle on the ocean floor, secreting a calcareous shell for protection as they grow. Over time, they continue to grow and develop within their shells until reaching maturity.
What organism classifies the paleozoic era?
brachiopods
In which period did cycads appear?
In the Triassic period
Did earthquakes appear in the Jurassic period?
Earthquakes did appear during the Jurassic period along with volcano eruptions.
