Ontology highlight
ABSTRACT:
SUBMITTER: Sun H
PROVIDER: S-EPMC6170810 | biostudies-literature | 2018 Sep
REPOSITORIES: biostudies-literature
Sun Haijing H Smith Martin R MR Zeng Han H Zhao Fangchen F Li Guoxiang G Zhu Maoyan M
Proceedings. Biological sciences 20180926 1887
Hyoliths are a taxonomically problematic group of Palaeozoic lophotrochozoans that are among the first shelly fossils to appear in the Cambrian period. On the basis of their distinctive exoskeleton, hyoliths have historically been classified as a separate phylum with possible affinities to the molluscs, sipunculans or lophophorates-but their precise phylogenetic position remains uncertain. Here, we describe a new orthothecide hyolith from the Chengjiang Lagerstätte (Cambrian Series 2 Stage 3), < ...[more]