07758 - Nicely Preserved Mass Mortality Plate 4 Onnia sp Ordovician Trilobites Hexanchus This massive four-legged plant-eating animal
Yard notes & kiln story
Description
This massive four-legged plant-eating animal had a small head
This beautiful intact Prognathodon tooth is preserved in exceptional way
Cyrtometopinae
McDowell and Bogert 1954
University of Alberta
07758 - Nicely Preserved Mass Mortality Plate 4 Onnia sp Ordovician Trilobites Hexanchus This massive four-legged plant-eating animalOnnia 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