30135 - Top Rare Mortality Plate of Arthricocephalus Cambrian Trilobites - China Metacryphaeus tuberculatus Precious collection of five nice

Precious collection of five nice teeth of this species of pterosaur

Likely paired with NWA 7034 and respective clan members

Euphemerites affinis

formed by the oxidation of lead ore deposits such as galena

30135 - Top Rare Mortality Plate of Arthricocephalus Cambrian Trilobites - China Metacryphaeus tuberculatus Precious collection of five niceArthricocephalus, Bergeron 1899 (trilobite) Trilobita Corynexochida Oryctocephalidae PaleoDB taxon number: 19489 Parent taxon: Oryctocephalidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Changaspis, Cheiruroides, Cheiruroididae, Curvoryctocephalus, Duyunaspis, Euarthricocephalus, Feilongshania, Goldfieldia, Hunanocephalus, Kunshanaspis, Lancastria, Metabalangia, Metarthricocephalus, Opsiosoryctocephalus,