Fig. 5From: Morphology and features of Cambrian oncoids and responses to palaeogeography of the North China Platforma A type 3 oncoid, characterized by concentric laminae, an off-center nucleus and lateral growth; b Local magnification of a, showing the disordered Girvanella fossils with intertwined arrangement; c Local magnification of a, showing the directional arrangement of Girvanella fossilsBack to article page