Eurypterid - Wikipedia
WEBEurypterid fossils have been recovered from every continent. A majority of fossils are from fossil sites in North America and Europe because the group lived primarily in the waters around and within the ancient supercontinent of Euramerica.
Eurypterid | Fossil Arthropods, Sea Scorpions, Paleozoic Era
WEBEurypterid, member of an extinct order (Eurypterida) of unusual arthropods rarely preserved as fossils. The eurypterids appeared at the beginning of the Ordovician Period (about 488 million years ago) and became extinct at the end of the Permian Period (about 251 million years ago).
Eurypterus - Wikipedia
WEBEurypterus (/ jʊəˈrɪptərəs / yoo-RIP-tər-əs) is an extinct genus of eurypterid, a group of organisms commonly called "sea scorpions". The genus lived during the Silurian period, from around 432 to 418 million years ago. Eurypterus is by far the most well-studied and well-known eurypterid.
Fossilguy.com: Eurypterid fossils (Sea Scorpions): Facts, Information …
WEBEurypterids, or "Sea Scorpions" are an order of ancient arthropods that lived in the Paleozoic era. These formidable Paleozoic predators appeared in the Ordovician and became extinct in the great Permian mass extinction. They seem to have reached their peak in the Silurian. Eurypterids are not Crustaceans.
Eurypterids, Giant Ancient Sea Scorpions | Yale Peabody Museum
WEBThe Peabody’s Division of Invertebrate Paleontology has the largest and most diverse collection of eurypterid fossils in the world. Eurypterids, or “sea scorpions,” are an extinct group of chelicerates, arthropods related to horseshoe …
Eurypterina - Wikipedia
WEBThey are known from fossil deposits worldwide, though primarily in North America and Europe. Seventy-five percent of eurypterid species are eurypterines; this represents 99% of specimens. [ 2 ] The superfamily Pterygotioidea is the most species-rich clade, with 56 species, followed by the Adelophthalmoidea with 43 species; as sister taxa , they ...
Insights into the 400 million-year-old eyes of giant sea ... - Nature
WEBNov 28, 2019 · Eurypterids, popularly known as sea scorpions, possess conspicuously large compound eyes. Indeed, Jaekelopterus rhenaniae (Jaekel, 1914) (Fig. 1a) from the Early Devonian of Germany was perhaps...
Evolution: A Breath of Fresh Air for Eurypterids - Cell Press
WEBNov 2, 2020 · Eurypterids — Paleozoic ‘sea scorpions’ that could grow several meters long — were thought to have been aquatic. Computer tomography reveals that respiratory organs of a new fossil eurypterid resemble arachnid book lungs, supporting the hypothesis that eurypterids — and perhaps arachnid ancestors — were amphibious.
Eurypterids: Pioneers of The Land - Paleontology World
WEBOnly a handful of eurypterid groups spread beyond the confines of Euramerica and a few genera, such as Adelophthalmus and Pterygotus, achieved a cosmopolitan distribution with fossils being found worldwide.
Eurypterid | The New York State Museum
WEBThe small fossil specimen next to it is Eurypterus remipes, a species of eurypterid. It is the State Fossil of New York. It became our State Fossil in 1983 and was selected because these rare fossils occur in great numbers in rocks found near Buffalo, Erie County.