Based on multiple analytical techniques applied to well-preserved soft-bodied specimens of two trilobite species, the Late Ordovician species Triarthrus...
Trilobites had well-developed gill-like structures in their upper leg branches, according to a new imaging study led by the University of California, Riverside.
Trilobite...
A research team led by Western Illinois University scientist Thomas Hegna has announced the discovery of two pyritized, egg-bearing specimens of the Ordovician...
