First record of growth patterns in a Cambrian annelid

Early annelid evolution is mostly known from 13 described species from Cambrian Burgess Shale-type Lagerstätten. We introduce a new exceptionally well-preserved polychaete, Ursactis comosa gen. et sp. nov., from the Burgess Shale (Wuliuan Stage). This small species (3–15 mm) is the most abundant Cam...

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Bibliographic Details
Main Authors: Hatena Osawa, Jean-Bernard Caron, Robert R. Gaines
Format: Article
Language:English
Published: The Royal Society 2023-04-01
Series:Royal Society Open Science
Subjects:
Online Access:https://royalsocietypublishing.org/doi/10.1098/rsos.221400