| A unique remopleuridid trilobite H B Whittington (1952) Breviora 4: 1-9 | |
| Silicified Middle Ordovician trilobites: Remopleurididae, Trinucleidae, Raphiophoridae, Endymioniidae H B Whittington (1959) Bulletin of The Museum of Comparative Zoology 121: 369-496 |