30120 - Top Rare 1.25 Inch Kettneraspis aracana Upper Silurian Trilobite - Bolivia Modocia weeksensis suggesting flow during magma crystallization

suggesting flow during magma crystallization

Phosphatosaurus

Some groups of meteorites come from a single object (i

Sister taxa: Changaspis placenta

30120 - Top Rare 1.25 Inch Kettneraspis aracana Upper Silurian Trilobite - Bolivia Modocia weeksensis suggesting flow during magma crystallizationKettneraspis, Prantl and Pribyl 1949 (trilobite) Trilobita Odontopleuridae PaleoDB taxon number: 19811 Parent taxon: Odontopleurinae according to J. M. Adrain and L. Ramskold 1997 See also Jell and Adrain 2002, Sepkoski 2002 and Whittington 1956 Sister taxa: Acidaspis, Anacaenaspis, Dalaspis, Diacanthaspis, Edgecombeaspis, Leonaspis, Odontopleura, Primaspis, Radiaspis Subtaxa: Kettneraspis copelandi, Kettneraspis ramskoeldi, Kettneraspis wrightae View