Hadimopanella knappologica, Archaeopetasus typicus, and first descriptions of
Hadimopanella foveata Kouchinsky sp. nov. and Archaeopetasus pachybasalis Kouchinsky …

The phylogenetic position of hyoliths has long been unsettled, with recent discoveries of a
tentaculate feeding apparatus ('lophophore') and fleshy apical extensions from the shell …

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 …

Hyoliths were among the earliest biomineralizing metazoans in Palaeozoic marine
environments. They have been known for two centuries and widely assigned to …

Abstract Limestones of the Xihaoping Member of the Dengying Formation in the Xiaoyangba
section, South China, yield the oldest known Cambrian brachiopod–trilobite association. In …

The diverse metazoan fauna from the upper member of the Buen Formation of North
Greenland is described as a complement to published descriptions of the exceptionally …

Pan, B., Skovsted, CB, Sun, HJ & Li, GX, 18 June 2019. Biostratigraphical and
palaeogeographical implications of Early Cambrian hyoliths from the North China Platform …

Hyoliths, known globally from the Cambrian to the Permian are generally recognized as
early lophotrochozoan animals of uncertain phylogenetic position. The calcareous …

Simple Summary The current understanding of the origin and rapid diversification of
biomineralized skeletal animals and their environmental interactions during the Cambrian …

Helens, the curved lateral spines inserted between the conch and operculum of some
hyoliths, are a unique morphological adaptation characterizing the order Hyolithida. These …