Minicryphaeus sarius trilobite 23mm dating back to the Devonian era, approximately 354 to 417 million years. Originating from Hamar Laghdad formation, Djebel Issoumour, Alnif, Morocco in North Africa.The main differences of taxonomy of this genus towards its cousin Pseudocryphaeus is that in Minicryphaeus the genal spines are about three quarters of the length of the glabella, the gaps between the lateral pygidial lappets is a slightly more severe v shape as opposed to a rather u shape in Pseudocryphaeus, also the pygidial spine is triangular and long. In Pseudocryphaeus the genal spines are shorter and the terminal spine pentangular.
This appears to be a recently discovered arthropod of the type Minicrypheaus sarius having a longer rostrum (nose spike), excellently prone on the matrix bedrock. Phylum Arthropoda, Class Trilobita, Order Phacopida, Suborder Phacopina, Superfamily Acastoidea, Family Acastidae, Subfamily Asteropyginae, Genus Minicryphaeus described by Bignon & Crônier, 2013