Trilobite
Elrathia kingii
Paleobiology
Paleobiology
Paleobiology
Elrathia kingii
Elrathia kingii
Elrathia kingii
Flexicalymene celebra
Elrathia kingii
Calymene celebra
Isotelus
Lovenia forbesi
Nucleolites scutatus
Saccocoma pectinata
Crinoidea
Scytalocrinus robustus