Spiny Acanthopyge Museum Trilobite

With Preserved Hypostome

Aff Acanthopyge sp

Trilobites Order Lichida, Family Lichidae, Subfamily Trochurinae

Geological Time: Lower Devonian, Eifelian Stage (~395 mya)

Size: Trilobite is 30 mm long by 25 mm wide (counting spines) including a 5 mm by 5 mm hypostome on a 55 mm by 80 mm matrix

Fossil Site: Jorf, Morocco

Code: 18204

Price: Sold

AcanthopygeDescription: The location known as Jorf in Morocco has been a hotbed of new trilobite species for the past few years. Last year the first example of this unusual Lichid was shown to the collecting community. Very few examples have come to light since then, and few are of the quality of this fine example. This specimen displays the stunning genal, pleural, and pygidial spines nicely arrayed. While some have indicated it might be a relative of Belenopyge, to my eyes it seems to have its closest affinities with the larger, more robust genus Acanthopyge. For the sake of expediency I will refer to it as Aff Acanthopyge. This one is unusual in that the genals display subspines as well as the hypostome which served as an anchor for the trilobite’s mouthparts. It is the first and ONLY example I have seen that preserves the hypostome, which in this case has been rotated some 180 degrees from the life position. This one comes from the gray layer (right image) in the Jorf quarry. It seems that the various kinds of these Acanthopyge-like trilobites (there are at least four) seem to be preferentially found in either the Gray Layer or the Red Layer.

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