30795 - Top Beautiful 1.06 Inch Onnia sp Ordovician Trilobite Andegavia †Cornuproetus sp
Yard notes & kiln story
Description
†Cornuproetus sp
Valenagnostus
deep subtidal (1)
Arizona State University
Classification: Carbonaceous chondrite (CR2)
30795 - Top Beautiful 1.06 Inch Onnia sp Ordovician Trilobite Andegavia †Cornuproetus spOnnia sp, Bancroft 1933 (trilobite) Trilobita Asaphida Trinucleidae Parent taxon: Trinucleidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Ecology: fast moving low level epifaunal suspension feeder Age range: 460. 9 to 443. 7 Ma