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...
Balhuticaris voltae is the largest bivalved arthropod to date, at almost double the size of the previous record-holder, Nereocaris exilis.
Life reconstruction...
Erratus sperare, a new species of ancient marine arthropod from eastern Yunnan, China, had unique trunk appendages that represent an intermediate stage...
Arthropleura, an enormous myriapod that lived some 326 million years ago (Carboniferous period), is estimated to have been 55 cm (1.8 feet) in width and...
Eumillipes persephone, the new record-setting species of millipede from Western Australia, is a diminutive (0.95 mm wide and 95.7 mm long) animal with...
A new genus and species of mixopterid eurypterid (sea scorpion) has been identified from several fossil specimens found in the Xiushan Formation, China.
Life...
Trilobites are extinct arthropods that dominated the faunas of the Paleozoic Era. Since their appearance 523 million years ago, they were equipped with...
Trilobites had well-developed gill-like structures in their upper leg branches, according to a new imaging study led by the University of California, Riverside.
Trilobite...
