21078 - New Species Symphysurus ebbestadi n. sp. With Preserved Sensory Lines Ordovician Taza NWA 859 sand shoal (2)

sand shoal (2)

Eoleonaspis

showing some amazing features

has been prepared as free-standing on the matrix

Some of them have tiny glued and filled fractures

21078 - New Species Symphysurus ebbestadi n. sp. With Preserved Sensory Lines Ordovician Taza NWA 859 sand shoal (2)You can see the system of sensory lines (terrace ridges) that are already described in the article (1), and which in this specimen are conserved highlighted by iron oxides. Positive and negative specimen. Publication: (1) 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" Fossils and Strata,