A new study by Prof. Ariel Chipman of The Alexander Silberman Institute of Life Science at the Hebrew University of Jerusalem provides a novel model for understanding the development and evolution of ...

One of the last remaining enigmas surrounding arthropod evolution has been the split of the tree of life, separating the two largest groups of arthropods: mandibulates, the group including insects, ...

International team of researchers describe new fossil species discovered in fossil deposit near Llandrindod Wells in mid-Wales. The fossil, Mierridduryn bonniae, shares many features with Cambrian ...

Mitochondrial genomes of arthropods are typically compact circular molecules encoding 13 protein-coding genes, two ribosomal RNAs and 22 transfer RNAs. Across lineages such as mites, ticks, spiders ...

The Burgess Shale is located in British Columbia and is a site of marine fossils that are 506 million years old. It is celebrated for its “weird wonders,” containing a treasure trove of astonishingly ...

A remarkable fossil hidden in a museum collection for decades is helping scientists rethink one of the biggest mysteries in ...

A team of scientists have discovered an ancient arthropod that may show the origins of branched limbs and the first gill-like breathing structures in the clade. When researchers working in ...

Despite differences in shape and size all insects are characterized by a body organization that includes three units: a head, thorax and abdomen (panels A-B). In contrast all spiders (and other ...

One of several Jianfengia fossil specimens: The animal's body plan is extremely simple, consisting of numerous identical segments. However, its head is like that of a more modern crustacean, with eyes ...