=Portaginus) Bronteopsis (=Homoglossa) Brontocephalina Brontocephalus Brunswickia Brutaspis Brutonaspis Brutonia
Bu Bubupeltina Buchiproetus Buenaspis Buenellus Bufoceraurus Buitella Bulaiaspis Bulbaspis Bulbolenus Bulkuraspis Bumastella Bumastides Bumastoides Bumastus Burgesina Burlingia Burmeisterella Burmeisteria Burminresia Burnetiella (=Burnetia) Burtonops Buttsia Buttsiella Butyrinia
By Bynumia Bynumina Bythicheilus
C
Ca Caborcella Caganaspis Cainatops (=Cornucoryphe) Calipernurus Callaspis Callavia (=Cephalacanthus; =Callavalonia; =Cobboldus) Callidaspina Callidaspis Calliops Calmonia Calocephalites Calodiscus (=Goniodiscus; =Brevidiscus) Calvinella Calvipelta Calybole Calycinoidia Calycoscutellum Calymene (=Calymena; =Calymaena; =Calymmene; =Calymmena) Calymenella Calymenesun Calymenia Calymenidius Calyptaulax (=Ligometopus; =Homalops) Camaraspis Camaraspoides Cambroinyoella Cambropallas Cambrophatictor Cambrunicornia Camsellia Cancapolia Canningella Canotaspis Canotiana (=Williamsina) Capricornia Caputrotundum Carbonocoryphe Carbonoproetus Carinamala Carinocranium Carinopyge Carlopsia Carmon Carniphillipsia Carolinites (=Dimastocephalus; =Keidelia;