Cambrian Trilobites of the United States (alphabetized)

Click each trilobite to learn more.

"Albertellispina latus” Albertella longwelli [H.o.F.] Albertella microps Alokistocare americanum Altiocculus harrisi Amecephalus althea Amecephalus jamisoni Amecephalus n.sp. Amecephalus normale Aphelaspis subditus Archaeaspis macropleuron Asaphiscus wheeleri Athabaskia bithus Athabaskia bithus Athabaskia gladei Athabaskia howelli Athabaskia wasatchensis Baltagnostus eurypyx Bathyuriscus elegans Bathyuriscus fimbriatus Bathyuriscus fimbriatus Bathyuriscus formosus Biceratops nevadensis Biceratops nevadensis Blountiinae sp. Bolaspidella drumensis Bolaspidella housensis Bolbolenellus brevispinus Bowmania americana Bristolia anteros Bristolia bristolensis Bristolia cf. "parryi" Bristolia fragilis Bristolia insolens [H.o.F.] Bristolia mohavensis Bristolia sp. Cambroinyoella cf. wallacei Cambroinyoella n. sp. Cambroinyoella wallacei Caspimexis radiatus Caspimexis stenopyge Cedaria minor Chancia ebdome Dikelocephalus minnesotensis [H.o.F.] Elliptocephala praenuntius Elliptocephala praenuntius Elliptocephala sp. Elliptocephala sp. type 1 Elliptocephala sp. type 2 Elliptocephala sp. type 3 Elrathia kingii Elrathia marjumi Elrathia sp. Elyx americanus Emigrantia n. gen. sp. Eokochaspis nodosa Esmeraldina sp. Fallotaspis sp. Glossopleura bion Glossopleura gigantea Glossopleura yatesi Glyphaspis sp. Hemirhodon amplipyge Illaenurus quadratus Itagnostus interstricta Itagnostus interstricta Kochina vestita Kochina walcotti Kootenia randolphi Kootenia spencei Kootenia youngorum Lochmanolenellus pentagonalis Lochmanolenellus trapezoidalis Marjumia callas Marjumia typa Mesonacis fremonti Mesonacis georgiensis Mesonacis n.sp. Mesonacis sp. Modocia brevispina Modocia kohli Modocia laevinucha Modocia nuchaspina Modocia sp. Modocia typicalis Nephrolenellus geniculatus Nevadia addyensis Nevadia sp. Nevadia sp. Nevadia weeksi Ogygopsis typicalis Olenellus (Mesonacis) fremonti Olenellus cf. howelli Olenellus cf. thompsoni Olenellus cf. transitans Olenellus chiefensis Olenellus clarki Olenellus fowleri Olenellus getzi Olenellus gilberti Olenellus nevadensis Olenellus nevadensis Olenellus roddyi Olenellus roddyi Olenellus romensis Olenellus sp. Olenellus sp. Olenellus sp. Olenellus terminatus Olenellus terminatus Olenellus terminatus Olenellus “cordillerae” Olenoides aff. nevadensis Olenoides inflatus Olenoides marcoui Olenoides marjumensis, Olenoides n.sp. Olenoides nevadensis Olenoides pugio Olenoides sp. Olenoides sp. Olenoides sp. Olenoides superbus [H.o.F.] Olenoides vali Oryctocephalites palmeri Paedumias sp. Paralbertella bosworthi Paranephrolenellus besti Paranephrolenellus klondikensis Peachella brevispina Peachella iddingsi Piochaspis sellata Poliella sp. Proehmaniella basilica Prosaukia sp. Ptychoparella mettae Solenopleurella virginica Teresellus goldfieldensis Teresellus goldfieldensis Tricrepicephalus texanus Utaspis marjumensis Vanuxemella nortia Wanneria walcottana Zacanthoides grabaui Zacanthoides romingeri Zacanthoides serratus

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