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Impressive specimen
Beautiful specimen and rare mosasaur species
marginal marine (5)
Beautiful partial skull belonging to unidentified Crocodile species
It has very intense brightness
30321 - Rare 0.48 Inch Porterfieldia punctata Ordovician Trilobite - Wales, UK Pinnixa galliheri Impressive specimenPorterfieldia, Cooper 1953 (trilobite) Trilobita Olenidae PaleoDB taxon number: 20859 Full reference: B. N. Cooper. 1953. Trilobites from the Lower Champlainian formations of the Appalachian Valley. Geological Society of America Memoir 55: 1 69 Parent taxon: Oleninae according to R. Ludvigsen and P. A. Tuffnell 1983 See also Harrington and Leanza 1957, Jell and Adrain 2002 and Sepkoski 2002 Sister taxa: Plesioparabolina, Triarthrus, Bienvillia