Taxon - Links and literature
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [as Cyphaspis hamidi Chatterton, Fortey, Brett, Gibb & Mckellar 2006]Data retrieved on: 27 February 2020
Chatterton B.D.E., Fortey R., Brett K., Gibb S., McKellar R. (2006): Trilobites from the upper Lower to Middle Devonian Timrhanrhart Formation, Jbel Gara el Zguilma, southern Morocco, Palaeontographica Canadiana 25 [as Cyphaspis hamidi Chatterton, Fortey, Brett, Gibb & McKellar, 2006]