07862 - Top Quality 0.63 Inch Onnia sp Ordovician Trilobite Symphysurus this specimen presents an additional
Yard notes & kiln story
Description
this specimen presents an additional scientific interest given the classification difficulty
66 million years ago
Gastropolus
Marty et al
Onchopristis's eyes were on top of its head
07862 - Top Quality 0.63 Inch Onnia sp Ordovician Trilobite Symphysurus this specimen presents an additionalOnnia 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