Cambrian | Deep Sea News

Evolution New Research New Species Organisms Paleobiology

New Fossil Anemone Reveals Innard Secrets

Kevin Zelnio October 27, 2010 Anatomy Anemone Anthozoa Best of Zelnio Cambrian China Cnidaria Eolympia pediculata fossil Hexacorallia Mesentery Microfossil plos one

Continuing its trend as one of the top destinations for out-of-this-world fossil finds, China is yielding yet another piece to the evolutionary jigsaw puzzle. In…

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New Research Organisms Plankton

What in Darwin’s Name Are Chaetognaths?!

Kevin Zelnio June 7, 2010 Best of Zelnio Cambrian Chaetognath Current Biology Deuterostome Ecdysozoa evolution fossil molecular phylogeny Phylogenetics Platyhelminthes Priapulida Protostome RB Editor's Selection

Lynn Margulis classified the Chaetognaths, known as arrow worms, as deuterostomes. Deuterostomy is characterized by several developmental characteristics including radial, indeterminate cleavage, a posterior position…

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Adaptations Biology Geology New Research New Species Organisms Paleobiology

100 Word Post: Hurdia victoria

Dr. M March 23, 2009 Anomalocaris Arthropoda Burgess Shale Cambrian carapace claws Crustacea evolution fossil Hurdia jaw segmentation soft parts teeth

Anomalocaris ruled the Cambrian seas but apparently so did a twenty centimenter cousin. Hurdia victoria, originally described in 1912, was known from just a jumble…

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