The trilobite is also the state fossil of multiple other states. Hynerpeton or “creeping monster from Hyner” was first documented in Hyner, Pa., in 1993.

1 Shaanxi Institute of Geological Survey, Xi'an, China 2 Shaanxi Center of Mineral Geological of Geological Survey, Xi'an, China The final, formatted version of the article will be published soon.

They precisely determined the absolute ages of the Katian-Hirnantian boundary (442.65+0.17/−0.23 Ma) and the Ordovician-Silurian boundary (442.33+0.34/−0.33 Ma), constraining the duration of the ...

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience community and the public. Among them, the Late Ordovician Mass Extinction (LOME ...

TrilobiteS. Ancient Trees, Dwindling in the Wild, Thrive on Sacred Ground. Buddhist temples in China are home to trees from dozens of endangered species, a new study shows.

Trilobites. Clever Cockatoos Have Figured Out How to Drink From Water Fountains. They had also learned how to flip open garbage lids in the suburbs of Sydney, Australia.