Here is a relatively rare trilobite of the species Triarthrus beckii from the Utica shale in New York. The trilobite shows a detailed and plastic preservation. | |||
Location: | Indian Castle, New York, USA | ||
Size Trilobite: | about 23 mm long. | ||
Age: | Oberes Ordovicium, Oberes Caradoc, Utica shale Formation. |