While these examples indicate an interesting capacity for lar- vae of inshore, eurytopic genera to disperse around low palaeolatitudes, they do not contrib- ute critically to arguments on palaeogeography.Fragments of the trilobite Leiostegium, similarly widespread, occur with them.Laurie and Burrett (1992) described two brachiopods (Spanodonta floweri a n d Aporthophyla tiangjinshanensis?)