Diminutive Cornuproetus Moroccan Trilobite from New Layer

Cornuproetus sp

Trilobites Order Proetida, Family Proetidae

Geological Time: Lower Devonian, Lower Emsian Stage

Size (25.4 mm = 1 inch): Trilobite is 12 mm long (curve measure) by 8 mm wide on a 65 by 50 mm matrix

Fossil Site: Jebel Issoumour, Alnif , Morocco

Fossil Code: 12174

Price: $165.00

Description: Fine example of a member of the Order Proetida with many fine details present. The Proetidae were among the last of the trilobites to go extinct in the Permian over 100 million years later. This specimen comes from a newly-discovered layer at Jebel Issoumor(see photo). It lies between an upper Emsian Psychopyge layer and an upper Pragian Metacanthina layer, and is thus most probably Lower Emsian in age. The layer afforded several different examples of trilobites, all of which seem different from others in the region (see my other listings). This one is smaller and has shorter genals than the typical Cornuproetus. The layer was quickly played out. This one is apparently new to science, and has yet to be described. This is the only example I have been able to secure.

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