30376 - Positive/Negative 0.43 Inch Geragnostus occitanus Lower Ordovician Trilobite - France Harpactocarcinus punctulatus -Tylosaurus (Marsh

-Tylosaurus (Marsh

Neopsilocephalina

Tchukeraspis

Weathering grade: W1

Thomsonisporites

30376 - Positive/Negative 0.43 Inch Geragnostus occitanus Lower Ordovician Trilobite - France Harpactocarcinus punctulatus -Tylosaurus (MarshGeragnostus, Howell 1935 (trilobite) Trilobita Agnostida Metagnostidae PaleoDB taxon number: 19228 Synonym: Neptunagnostella Pek 1977 (taxon 155650) Parent taxon: Metagnostidae according to O. A. Hoel 1999 See also Harrington and Leanza 1957, Jell and Adrain 2002, Neuman 1964, Robison and Pantoja Alor 1968, Sepkoski 2002 and Whittington et al. 1997 Sister taxa: Anglagnostus, Arthrorhachis, Corrugatagnostus, Dividuagnostus, Galbagnostus, Geragnostella,