Abstract The Cambrian Period is the first period of the Phanerozoic Eon and witnessed the
explosive appearance of the metazoans, representing the beginning of the modern earth-life …

The integration of fossils, phylogeny, and geochronology has resulted in an increasingly
well-resolved timetable of evolution. Life appears to have taken root before the earliest …

Appearance of metazoans with mineralized skeletons,“explosion” in biotic diversity and
disparity, infaunalization of the substrate, occurrence of metazoan Konservat Fossil …

Carbonaceous compression fossils in shales of the uppermost Doushantuo Formation (ca.
555–590 Ma) at Miaohe in the Yangtze Gorges area provide a rare Burgess-Shale-type …

Arthropods from the Lower Cambrian Chengjiang fauna, Yunnan, southwest China, are
described and compared with other arthropods, particularly with those of the Middle …

Echinoderms are a major group (phylum) of invertebrate animals with a rich fossil record
stretching back to the Cambrian period, approximately 518 million years ago. While all …

Since the identification of the Lower Cambrian Yunnanozoon as a chordate in 1995 (ref.),
large numbers of complete specimens of soft-bodied chordates from the Lower Cambrian …

ABSTRACT The Cambrian Explosion is arguably the most extreme example of a biological
radiation preserved in the fossil record, and studies of Cambrian Lagerstätten have …

The Cambrian 'explosion'is widely regarded as one of the fulcrum points in the history of life,
yet its origins and causes remain deeply controversial. New data from the fossil record …

This study investigates whether the recently described Cambrian fossil Haikouella (and the
very similar Yunnanozoon) throws light on the longstanding problem of the origin of …