New Species Kayserops Moroccan Trilobite

Kayserops tamnrherta

Trilobites Order Phacopida, Subfamily Asteropyginae

Geological Time: Middle Devonian

Size (25.4 mm = 1 inch): Trilobite is 33 mm long by 17 mm wide at spine tips on a 50 by 40 mm matrix

Fossil Site: Foum Ziguid , Morocco

Code: 12101

Price: Sold

Kayserops tamnrherta TrilobiteDescription: An elegant example of a member of the Order Phacopida, Subfamily Asteropyginae with many fine details present. Notice the fine eye facets present on this specimen. The Asteropyginae recently have undergone revision. The trilobite called “Kayserops’ in the fossil trade is actually Metacanthina issoumourensis, a far more commonly-available member of the Asteropyginae. This specimen has been named Kayserops tamnrherta by Chatterton et al, with the species name derived from the Berber name for a small black and white desert bird. It is only the second example I have been able to secure and the first prone example I have seen. The repaired crack detracts but little from the specuimen. Most trilobites are discovered by cracking open matrix. When the crack involves the specimen, the halves are glued together and the prepared from the outside to free the specimen from its matrix tomb.

Reference: Paleontographica Canadiana, No 25, 2006 pp 28-30.

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