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Eurypterids are ancestors of Dinosaurs.
What else can I help you with?
What are eurypterid dinosaurs?
Eurypterids are ancestors of Dinosaurs.
Why are the Eurypterids in these cross sections not useful as index fossils?
The Eurypterids in these cross sections not useful as index fossil because they are only found in certain areas are a long lived organism
Which time period did eurypterids swim the ocean?
Silurian Period
What time period was eurypterids introduced?
At the end of the Permian Period which was about 251 million years ago
During which period did eurypterids swim the oceans and the first jawed fish and vascular plants evolve?
Silurian period
What are the dominant organisma living at silurian time?
The dominating animals were marine invertebrates,including crinoids and cystiods,mollusks, and eurypterids.
Which inference is best supported by the rock and fossil record in new york state?
Eurypterids lived in shallow seas near present day Syracuse
What is a eurypterid?
Its the largest bug, kinda like a sea scorpion and is known to be taller than man! -- The eurypterids match the above description. Also, they first appeared in the Silurian period along with corals and early land plants.
What is an extinct group of marine arthropods?
Trilobites, and eurypterids (giant marine scorpions). Ammonites are not arthropods but molluscs.
What are examples anthropod?
Some examples of arthropods would be scorpions, sausage flies, dung beetles, the north american lobster, horseshoe crabs, eurypterids. Note that the term 'anthropod' should not be confused with 'arthropod' - anthropod is not a phylum nor taxon but is a general term meaning human or humanoid.
Which Paleozoic invertebrates had become extinct by the end of the Paleozoic?
Trilobites, eurypterids, and blastoids are examples of Paleozoic invertebrates that became extinct by the end of the Paleozoic era. These marine creatures were once diverse and abundant but disappeared due to various environmental changes and extinction events at the end of the era.
When did arthropods go extinct?
Arthrpoda has an extinct class Marrellomorpha and an the extinct Trilobite subphylum. The order Eurypterida (eurypterids) or sea scorpions, related to arachnids are also extinct. They may have been the largest arthropods to have ever lived.
