Trimerella grandis

Billings, E. (1861-1865). Palaeozoic fossils. Volume I. Containing descriptions and figures of new or little known species of organic remains from Silurian rocks. 1: 1-426. Geological Survey of Canada (publication dates according to preface: 1-24 [Nov 1861], 25-56 [Jan 1862], 57-168 [Jun 1862], 169-344 [Feb 1865], 345-436 [Oct 1865]).

Percival, I. G.; Wright, A. J. (2005). A new Early Silurian species of <i>Trimerella</i> (Brachiopoda: Craniata) from the Orange district, New South Wales. <em>Linnean Society of New South Wales.</em> 126: 111-120.