Arthropod appendages are specialized for diverse roles including feeding, walking, and mating. Fossils from the Cambrian period (539 to 487 million years...
Paleontologists have analyzed the fossilized features of the brain and central nervous system of Mollisonia symmetrica, an extinct animal that lived in...
Mosura fentoni lived in what is now Canada during the Cambrian period, approximately 506 million years ago.
Life reconstruction of Mosura fentoni. Image...
Mandibulates are an example of evolutionary success, representing over half of all current species on Earth. Today, mandibulates are everywhere: from sea-dwelling...
Chaetae are stiff bristles made of chitin that characterize many species of annelid worms.
Reconstruction of Shaihuludia shurikeni from the Spence Shale...
Burgessomedusa phasmiformis had a cuboidal umbrella up to 20 cm (8 inches) high and over 90 short, finger-like tentacles.
Artistic reconstruction of a...
The highly-diverse Middle Ordovician fossil site at Castle Bank, Wales, is directly comparable with the famous Burgess Shale and Chengjiang biotas in paleoenvironment...
Balhuticaris voltae is the largest bivalved arthropod to date, at almost double the size of the previous record-holder, Nereocaris exilis.
Life reconstruction...
Paleontologists have described the largest Cambrian hurdiid radiodont known so far, named Titanokorys gainesi, from the Burgess Shale, British Columbia,...
A new species of marine predator that lived about 506 million years ago (Cambrian period) has been identified from exceptionally well-preserved fossils...
A new species of bristle worm that lived about 508 million years ago (Cambrian period) has been identified from fossils found in Marble Canyon and Burgess...
Habelia optata, a close relative of the ancestor of modern-day spiders, scorpions and horseshoe crabs, evolved an extremely complex head to hunt and eat...
Paleontologists from the University of Toronto and the University of Cambridge, UK, have found that a weird creature from 505 million years ago, known...
Dr Javier Ortega-Hernández of the University of Cambridge, UK, has discovered one of the oldest fossil brains ever found, and used it to help identify...
A multinational group of paleontologists has described a prehistoric lobster-like animal from the Marble Canyon site, part of the renowned Canadian Burgess...
Several fossil specimens of a Cambrian fish called Metaspriggina walcotti recently discovered in Canada shed new light on the development of the earliest...