Orthrozanclus elongata n. sp and the significance of sclerite-covered taxa for early trochozoan evolution

• Published in: Scientific Reports
• Main Authors: Zhao, Fangchen, Smith, Martin R., Yin, Zongjun, Zeng, Han, Li, Guoxiang, Zhu, Maoyan
• Format: Report
• Language: English
• Published: NATURE PUBLISHING GROUP 2017
• Subjects: STEM GROUP BRACHIOPOD; WIWAXIA-CORRUGATA MATTHEW; CAMBRIAN BURGESS SHALE; SOUTH-AUSTRALIA; ARTICULATED HALKIERIIDS; SHELLED BRACHIOPODS; MOLLUSCAN PHYLOGENY; NORTH GREENLAND; MORPHOLOGY; BIOMINERALIZATION; Science & Technology - Other Topics; Multidisciplinary Sciences; Burgess; Greenland; North Greenland
• Online Access: http://ir.nigpas.ac.cn/handle/332004/17482; https://doi.org/10.1038/s41598-017-16304-6

Orthrozanclus is a shell-bearing, sclerite covered Cambrian organism of uncertain taxonomic affinity, seemingly representing an intermediate between its fellow problematica Wiwaxia and Halkieria. Attempts to group these slug-like taxa into a single 'halwaxiid' clade nevertheless present st...