A. zguilmensis Chatterton, Fortey, Brett, Gibb & McKellar, 2006
Acastoides is an extinct genus of trilobite that lived during the Silurian and Devonian. It has been found in Bolivia, France, Morocco, Poland, Turkey and the United Kingdom.
Distribution
A. constricta is found in the Silurian of the United Kingdom (Wenlock, Woolhope Shale, Worcestershire, Malvern).[3]
^Martin Basse; Peter Müller (2016). "Trilobiten aus dem Ober-Emsium und frühen Eifelium der südlichen Lahnmulde (Rupbach-Schiefer, Leun-Schiefer und Ballersbach-Kalk)". Abhandlungen der Senckenberg Gesellschaft für Naturforschung. 572: 1–329. ISBN978-3-510-61407-3.
^"42 (Acastoides constricta)". The Barber Institute of Fine Arts, the Lapworth Museum of Geology and the University of Birmingham Collections. Retrieved 17 March 2013.