1. Cambrian - early Ordovician brachiopods from Malyi Karatau, the western Balkhash region, and Tien Shan, Central Asia Author/Creator: Holmer, Lars E. Publication/Creation: London : Palaeontological Association, 2001 Resource Type: Book Access & Availability: Loading
2. Chitinozoa from the Ordovician Viola and Fernvale limestones of the Arbuckle Mountains, Oklahoma Author/Creator: Jenkins, W. A. M. Publication/Creation: London : Palaeontological Association, [1969] Resource Type: Book Access & Availability: Loading