21078 - New Species Symphysurus ebbestadi n. sp. With Preserved Sensory Lines Ordovician Taza NWA 859 †Onnia sp

†Onnia sp

PaleoDB taxon number: 33430

All of them have tiny glued or filled fractures

sand shoal (2)

21078 - New Species Symphysurus ebbestadi n. sp. With Preserved Sensory Lines Ordovician Taza NWA 859 †Onnia spYou 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,