Arthropod appendages are specialized for diverse roles including feeding, walking, and mating. Fossils from the Cambrian period (539 to 487 million years...
Horseshoe crabs are an ancient lineage with an evolutionary history stretching back 450 million years (Ordovician period) and are generally considered...
Researchers have analyzed microscopic fragments of 2-million-year-old environmental DNA from of the Kap København Formation in Greenland. The DNA record...
Horseshoe crabs, or xiphosurans, are an order of marine and brackish water arthropods. Despite their common name, they are not really crabs, and are more...
A mostly complete and moderately well-preserved fossilized specimen is thought to represent the first Triassic horseshoe crab found in North America, according...
According to an international team of paleontologists, a 9.7-meter-long mortichnia of a horseshoe crab unearthed at a famous fossil locality in Germany...