Mullins, G.L. 2004. Microplankton biostratigraphy of the Bringewood Group, Ludlow Series, Silurian, of the type area. J. Syst. Palaeont. 2 (3), Sep 2004: 163-205.
(Species) †Melikeriopalla fissura G.L. Mullins (2004)(Species) †Buedingiisphaeridium crassum G.L. Mullins (2004)(Species) †Dateriocradus ludloviensis G.L. Mullins (2004)(Species) †Diexallophasis downtongorgensis G.L. Mullins (2004)(Subspecies) †Dorsennidium europaeum subsp. quintum G.L. Mullins (2004)(Species) †Dorsennidium gogginense G.L. Mullins (2004)(Species) †Dorsennidium pyramidale G.L. Mullins (2004)(Subspecies) †Onondagella deunffii subsp. downtonensis G.L. Mullins (2004)(Species) †Visbysphaera lamina G.L. Mullins (2004)(Species) †Visbysphaera bringewoodense G.L. Mullins (2004)(Species) †Eisenackidium gordonense (Crame, 1964b) Mullins (2004)