Ventral Zilchovaspis rugosa Moroccan Trilobite

Ventrally Prepared

Zilchovaspis rugosa

Trilobites Order Phacopida, Family Dalmanitidae

Geological Time: Lower Devonian, Pragian Stage

Size: Trilobite is 93 mm long by 55 mm wide (with spines) on a 135 mm by
135 mm matrix.

Fossil Site: Aatchana, Morocco

Code: 19033

Price: Sold

Ventral Zilchovaspis rugosa Moroccan TrilobiteDescription: A unusual example of a member of the Order Phacopida, Family Dalmanitidae with many fine details present. While most frequently known in the trade as “Odontochile”, this one is actually Zilchovaspis. The most diagnostic features of this taxon are the parabolic cephalon and pygidial spine. Odontochile has a more circular cephalic outline, and a shorter, broadly-based pygidial spine. Both genera bear a strong resemblance to the contemporary genus Huntonia from the Devonian of Oklahoma. This one has been prepared in the ventral mode, showing the internal architecture of the exoskeleton and the large Hypostome. Additionally, you can see the wonderfully-faceted eyes and how they conveyed images of the world to the trilobite. The photos of the eyes are something of an optical illusion in that they seem to be projecting outward towards the viewer, something that often happens with ventral specimens..

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Ventral Zilchovaspis rugosa Moroccan Trilobite

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