Silurian Trilobites of the United States (alphabetized)

Anasobella asper Arctinurus boltoni Arctinurus sp. Arctinurus sp. Bumastus barriensis [H.o F.] Bumastus graftonensis Bumastus graftonensis (?) Bumastus sp. Bumastus sp. Bumastus sp. Calymene breviceps Calymene camerata Calymene celebra Calymene clavicula Calymene niagarensis Calymene sp. Calymene sp. & Spathacalymene nasuta (Ulrich, 1879) Cerauromerus hydei Cerauromerus hydei Cheirurus infensus Cybantyx insignis (Hall, 1865) Cybantyx niagarensis Dalmanites cf. danae Dalmanites halli Dalmanites limulurus Dalmanites limulurus lunatus Dalmanites platycaudatus Dalmanites rutellum Dalmanites sp. Decoroproetus corycoeus Diacalymene sp. Diacalymene vogdesi Dicranopeltis nereus [H.o.F.] Dudleyaspis quinquespinosa Encrinurus egani [H.o.F.] Fragiscutum glebalis Glyptambon cf. Holloway Glyptambon verrucosus Gravicalymene ? celebra Hadromeros welleri Kainops guttulus Kosovopeltis sp. Liocalymene clintoni Metopolichas breviceps [H.o.F.] Odontochile sp. Ommokris vigilans Pseudogerastos handwerki Radnoria bretti Spathacalymene nasuta Sphaerexochus romingeri Sphaerexochus romingeri Trimerus (Trimerus) delphinocephalus Trimerus (Trimerus) delphinocephalus Trochurus halli Undescribed species Undescribed species