Eurypterid - Wikipedia
Eurypterids, often informally called sea scorpions, are a group of extinct arthropods that form the order Eurypterida. The earliest known eurypterids date to the Darriwilian stage of the …
Eurypterids, Giant Ancient Sea Scorpions | Yale Peabody Museum
Eurypterids, or “sea scorpions,” are an extinct group of chelicerates, arthropods related to horseshoe crabs, scorpions, spiders, mites, and ticks. Most common in rocks of Silurian age …
Fossilguy.com: Eurypterid fossils (Sea Scorpions): Facts, Information ...
Eurypterids, 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 …
Fossil Arthropods, Sea Scorpions, Paleozoic Era - Britannica
eurypterid, 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 …
Jaekelopterus - Wikipedia
Jaekelopterus is a genus of predatory eurypterid, a group of extinct aquatic arthropods. Fossils of Jaekelopterus have been discovered in deposits of Early Devonian age, from the Pragian and …
Insights into the 400 million-year-old eyes of giant sea ... - Nature
2019年11月28日 · Eurypterids, popularly known as sea scorpions, possess conspicuously large compound eyes. Indeed, Jaekelopterus rhenaniae (Jaekel, 1914) (Fig. 1a) from the Early …
Fossils Show Giant Predatory Sea Scorpions Were Distance …
2024年8月16日 · Specimens of what appear to be the largest eurypterid species found in Australia could shed light on the sudden extinction of the massive arthropods. An artist’s …
Exceptional preservation of mid-Cretaceous marine arthropods
Here, we describe a novel and exceptionally preserved body plan of marine arthropods from the mid-Cretaceous [Cenomanian-Turonian, ~95 to 90 million years (Ma) ago] of Colombia and …
Fossils of sea monster eyes shed light on animal evolution
2020年12月2日 · The new fossils showed radiodonts evolved to have large, complex eyes consisting of thousands of lenses - more than almost all living species of their arthropod …
Giant sea creature hints at early arthropod evolution
2015年3月12日 · Newly discovered fossils of a giant, extinct sea creature show it had modified legs, gills on its back, and a filter system for feeding -- providing key evidence about the early …