Tardigrades are a diverse group of microscopic invertebrates widely known for their extreme survival capabilities. Molecular clocks suggest that tardigrades...
Named Youti yuanshi, the newly-identified euarthropod species fills an important gap in our understanding of how the arthropod body plan originated and...
Sea scorpions (eurypterids), extinct giant aquatic arthropods, were apex predators. New research suggests that early species of the scorpion-like carcinosomatoid...
The evolution of the first animals on land, 500 million years ago, has been revealed. The ancestors of millipedes, called euthycarcinoids, evolved in warm...
Mandibulates are an example of evolutionary success, representing over half of all current species on Earth. Today, mandibulates are everywhere: from sea-dwelling...
Paleontologists have unearthed a well-preserved fossil assemblage of Cambrian trilobites in the High Atlas of Morocco. The 510-million-year-old specimens...
Euchelicerata is a large group of arthropods comprising horseshoe crabs, scorpions, spiders, mites and ticks, as well as the extinct sea scorpions and...
In a new paper in the journal Nature Ecology & Evolution, paleontologists described the diversity of the Cabrières Biota, a new Early Ordovician site...
Pterygotid eurypterids (sea scorpions), giant aquatic arthropods with big claws, were all regarded as apex predators but some scientists then suggested...
In a 100-page monograph published in the journal Papers in Palaeontology, paleontologists have described ten new species of trilobites from the tuff-bearing...
Minterichnus shieldi, a new type of trace fossil (resting trace) of a phyllocarid crustacean from Texas shows animals trapped in a tidal pool, just before...
The Waukesha Biota, a 437-million-year-old fossil assemblage from Wisconsin, USA, provides a rare glimpse into life in an ancient lagoon. In his book Wonderful...
Paleontologists from Yunnan University, the University of Leicester and the Natural History Museum, London have conducted a microtomographic study of new...
New research by paleontologists from the University of California, Riverside and the Universidad Complutense de Madrid focuses on Aulacopleura koninckii,...
Plant-eating insects are the most diverse group of multicellular organisms on Earth. The most discussed drivers of their inordinate taxonomic and functional...
The highly-diverse Middle Ordovician fossil site at Castle Bank, Wales, is directly comparable with the famous Burgess Shale and Chengjiang biotas in paleoenvironment...
Arthropods typically possess two types of eyes: compound eyes, and the ocellar, so-called median eyes. Only trilobites, an important group of arthropods...
The recovery of life from the devastating end-Permian mass extinction, which peaked about 252.3 million years ago, was an important period of evolution....
Hibbertopterus lamsdelli is only the fourth, yet most reliable record of an American hibbertopterid sea scorpion.
Life reconstruction of a hibbertopterid...
