07369 - Top Rare Association 2 Symphysops sp Upper Ordovician Trilobites Otarion • Devonian of China

• Devonian of China

abruptly posteriorly recurved

1371/journal

HALISAURUS ARAMBOURGI BARDET & PEREDA SUBERBIOLA

• Silurian of Canada ( Northwest Territories

07369 - Top Rare Association 2 Symphysops sp Upper Ordovician Trilobites Otarion • Devonian of ChinaSpecimens of an extremely rare species of the family Cyclopygidae. The largest of them, has been prepared as free standing on the matrix. Both of them have a series of restorations that have been carried out during their preparation. Symphysops sp, Raymond 1925 (trilobite) Trilobita Asaphida Cyclopygidae Parent taxon: Cyclopygidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Aspidaeglina, Circulocrania, Cyclopyge,