Sep 2, 2025 by News Staff

Arthropod appendages are specialized for diverse roles including feeding, walking, and mating. Fossils from the Cambrian period (539 to 487 million years...

Jul 22, 2025 by News Staff

Paleontologists have analyzed the fossilized features of the brain and central nervous system of Mollisonia symmetrica, an extinct animal that lived in...

May 14, 2025 by News Staff

Mosura fentoni lived in what is now Canada during the Cambrian period, approximately 506 million years ago. Life reconstruction of Mosura fentoni. Image...

Jul 25, 2024 by Enrico de Lazaro

Mandibulates are an example of evolutionary success, representing over half of all current species on Earth. Today, mandibulates are everywhere: from sea-dwelling...

Aug 9, 2023 by Enrico de Lazaro

Chaetae are stiff bristles made of chitin that characterize many species of annelid worms. Reconstruction of Shaihuludia shurikeni from the Spence Shale...

Aug 2, 2023 by News Staff

Burgessomedusa phasmiformis had a cuboidal umbrella up to 20 cm (8 inches) high and over 90 short, finger-like tentacles. Artistic reconstruction of a...

Jul 5, 2023 by News Staff

Anomalocaris canadensis — the iconic 60-cm radiodont from the 508-million-year-old Burgess Shale of Canada — is one of the largest Cambrian...

May 3, 2023 by Sergio Prostak

The highly-diverse Middle Ordovician fossil site at Castle Bank, Wales, is directly comparable with the famous Burgess Shale and Chengjiang biotas in paleoenvironment...

Jul 11, 2022 by Enrico de Lazaro

Paleontologists from the University of Toronto and the Royal Ontario Museum have examined 268 specimens of Stanleycaris hirpex — a radiodont that...

Jul 8, 2022 by Natali Anderson

Balhuticaris voltae is the largest bivalved arthropod to date, at almost double the size of the previous record-holder, Nereocaris exilis. Life reconstruction...

Sep 8, 2021 by News Staff

Paleontologists have described the largest Cambrian hurdiid radiodont known so far, named Titanokorys gainesi, from the Burgess Shale, British Columbia,...

Aug 1, 2019 by News Staff

A new species of marine predator that lived about 506 million years ago (Cambrian period) has been identified from exceptionally well-preserved fossils...

Jan 29, 2018 by News Staff

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...

Dec 25, 2017 by News Staff

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...

Apr 28, 2017 by News Staff

Paleontologists have uncovered a fossil species — named Tokummia katalepsis — that sheds light on the origin of Mandibulata (mandibulates),...

Jun 24, 2015 by News Staff

Paleontologists from the University of Toronto and the University of Cambridge, UK, have found that a weird creature from 505 million years ago, known...

May 8, 2015 by News Staff

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...

Mar 28, 2015 by News Staff

A multinational group of paleontologists has described a prehistoric lobster-like animal from the Marble Canyon site, part of the renowned Canadian Burgess...

Jun 13, 2014 by News Staff

Several fossil specimens of a Cambrian fish called Metaspriggina walcotti recently discovered in Canada shed new light on the development of the earliest...