Ordovician periods, from 498.5 to 478.6 Ma. Saukiella baikadamica Ergaliev 1980 Saukiella diversa Qiu 1984 Saukiella pepinensis (Owen, 1852) (syn. Dikelocephalus...

Ulrich and Resser 1933 Pseudocalvinella Qiu 1984 Saukia Walcott 1914 Saukiella Ulrich and Resser 1933 Stigmaspis Nelson 1951 Tellerina Ulrich and Resser...

†Pleurodictyum Pleurotomaria †Polygrammoceras †Proetus †Sactorthoceras †Saukiella †Scutellum †Similodonta †Skenidioides †Skolithos †Sowerbyella †Sphaerexochus...

†Salmanites platycaudatus †Salpingostoma †Salpingostoma buelli †Saukia †Saukiella †Scaevogyra †Scharyia †Schizonema †Schizopea †Schizophoria †Schizophoria...

= Tropidopyge broeggeri D. roemeri = Elvinia roemeri D. pepinensis = Saukiella pepinensis D. crassimarginatus = Tellerina crassimarginatus D. megalops...

reversa †Sargentina – tentative report †Sargentina amsdenensis †Saukiella †Saukiella pyrene †Sawdonia †Sawdonia wyomingense – type locality for species...

needed] †Quadratia †Rayonnoceras †Receptaculites †Ribeiria †Rusophycus †Saukiella †Scenella †Schmalenseeia †Schwagerina †Scolicia †Selkirkia †Selkirkia...

†Pugionicauda paradoxa †Rasettia †Rasettia capax †Rasettia magna †Saukiella †Saukiella pyrene †Spyroceras †Syspacheilus †Taenicephalus †Taenicephalus nasutus...

Sardaspis Sardoredlichia Sarkia Sarrabesia Saryaspis Saukia Saukianda Saukiella Saukioides (=Pseudosaukia; =Jeholaspis) Scabrella Scabriscutellum (=Dicranactis)...

†Pseudomelania – tentative report †Psilophyton †Rawlinsella †Renalia †Sallya †Saukiella †Sawdonia Solemya †Solenochilus †Spiriferina †Spyroceras †Stearoceras...

that was probably made by Arenosicaris inflata. The Cambrian trilobite Saukiella pepinensis. Many fossiliferous Lower to Upper Ordovician rock units are...

†Sanguinolites †Sanguinolites elongatus – type locality for species †Saukia †Saukiella †Scandodus †Scandodus furnishi †Scaphellina – tentative report †Scenella...