21086 - New Species Symphysurus ebbestadi n. sp. Lower Ordovician Fezouata Fm Mammites nodosoides Some of them have glued

Some of them have glued or filled fractures

Otarion diffractum

Xiphosurida and Synziphosurina

Tooth 5: 55 mm (2

21086 - New Species Symphysurus ebbestadi n. sp. Lower Ordovician Fezouata Fm Mammites nodosoides Some of them have gluedPositive 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, No. 64, pp. 155 171. The Fezouata Formation occurs in the lower part of the Lower to lower Middle Ordovician Outer Feijas Group, in the western, central and eastern Anti