Occurrence of the hurdiid radiodont Cambroraster in the middle Cambrian (Wuliuan) Mantou Formation of North China

The hurdiid radiodont Cambroraster is characterized by a prominent horseshoe-shaped head carapace, which bears conspicuous posterolateral spinous processes and covers half of the body length, and a pair of frontal appendages possessing rake-like endites. Here we report the discovery of characteristi...

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Bibliographic Details
Published inJournal of paleontology Vol. 94; no. 5; pp. 881 - 886
Main Authors Sun, Zhixin, Zeng, Han, Zhao, Fangchen
Format Journal Article
LanguageEnglish
Published New York, USA The Paleontological Society 01.09.2020
Cambridge University Press
Paleontological Society
Subjects
Appendages
Arthropoda
Asia
Body length
Cambrian
Cambroraster falcatus
Carapace
China
exoskeletons
Far East
Fossils
Hurdiidae
invertebrate
Linqu China
Mantou Formation
Middle Cambrian
morphology
Paleontology
Paleozoic
Radiodonta
REGULAR ARTICLES
Sedimentary rocks
Shale
Shales
Shandong China
Wuliuan
British Columbia Canada
Canada
China
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Summary:The hurdiid radiodont Cambroraster is characterized by a prominent horseshoe-shaped head carapace, which bears conspicuous posterolateral spinous processes and covers half of the body length, and a pair of frontal appendages possessing rake-like endites. Here we report the discovery of characteristic central and lateral elements as well as a possible appendage endite for Cambroraster from the Cambrian Wuliuan Mantou Formation of North China. This discovery suggests that Cambroraster had dispersed over a wide biogeographic range and expands the geographic range of Hurdiidae. The increasing discoveries of exceptionally preserved fossils in the Upper Shale Member of the Mantou Formation indicate that this horizon is a promising Burgess Shale–type Lagerstätte.
ISSN:0022-3360
1937-2337
DOI:10.1017/jpa.2020.21