Cambrian stem-group annelids and a metameric origin of the annelid head

The oldest fossil annelids come from the Early Cambrian Sirius Passet and Guanshan biotas and Middle Cambrian Burgess Shale. While these are among the best preserved polychaete fossils, their relationship to living taxa is contentious, having been interpreted either as members of extant clades or as...

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Bibliographic Details
Main Authors: Parry, Luke, Vinther, Jakob, Edgecombe, Gregory D.
Format: Online
Language:English
Published: The Royal Society 2015
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650189/