Twenty candidate fossils with claim to be the oldest representative of the P hylum P orifera
have been re‐analysed. Three criteria are used to assess each candidate:(i) the diagnostic …

The discovery of the Fezouata biota in the latest Tremadocian of southeastern Morocco has
significantly changed our understanding of the early Phanerozoic radiation. The shelly fossil …

Euarthropoda is one of the best-preserved fossil animal groups and has been the most
diverse animal phylum for over 500 million years. Fossil Konservat-Lagerstätten, such as …

Exceptionally preserved fossils from the Palaeozoic era provide crucial insights into
arthropod evolution, with recent discoveries bringing phylogeny and character homology …

In addition to being among the most iconic and bizarre-looking Cambrian animals,
radiodonts are a group that offers key insight into the acquisition of the arthropod body plan …

Arthropods are the most diverse group of animals and have been so since the Cambrian
radiation. They belong to the protostome clade Ecdysozoa, with Onychophora (velvet …

Despite being among the most celebrated taxa from Cambrian biotas, anomalocaridids
(order Radiodonta) have provoked intense debate about their affinities within the moulting …

Until recently, intricate details of the optical design of non-biomineralized arthropod eyes
remained elusive in Cambrian Burgess-Shale-type deposits, despite exceptional …

Resolving the early evolution of euarthropods is one of the most challenging problems in
metazoan evolution,. Exceptionally preserved fossils from the Cambrian period have …

The ever‐increasing number of studies that address the origin and evolution of
Euarthropoda–whose extant representatives include chelicerates, myriapods, crustaceans …