21064 - New Species Symphysurus ebbestadi n. sp. Plate with 2 Specimens Lower Ordovician Trilobites Halisaurus walkeri The morphology of 19 phalanx

The morphology of 19 phalanx and 3 metacarpals bones can be recognized

from a location that has provided very few specimens

All of them have glued and tiny filled fractures

From this type of fossilization

It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite)

21064 - New Species Symphysurus ebbestadi n. sp. Plate with 2 Specimens Lower Ordovician Trilobites Halisaurus walkeri The morphology of 19 phalanxAmazing plate with two specimens of this new species of the genus Syphysurus published very recently; Symphysurus ebbestadi n. sp. It comes from the Lower Ordovician (Upper Tremadocian stage) of the Famous Fezouata Formation. Publication: Gutirrez Marco, J. C., Rbano, I., Garca Bellido, D. C. 2019: "The nileid trilobite Symphysurus from upper Tremadocian strata of the Moroccan Anti Atlas: taxonomic reappraisal and palaeoenvironmental implications"