Ba Babinops Badainjaranaspis Badulesia Bagongshania Bagradia Baikadamaspis Baikonuraspis Bailiaspis Bailiella (=Liaotungia; =Liocephalus; =Tangshihella) Bailielloides Bainella (=Paradalmanites; =Paranacaste) Bajanaspis Bajangoliaspis Balangcunaspis Balangia Balcoracania Balderia Balizoma Balnibarbi Baltagnostus (?=Trilagnostus) Baltiites Baltobergstroemia Baltoparadoxides Bancroftolithus Bandalaspis Baniaspis Banilatites Banqiaoites Baoshanaspis Bapingaspis Barklyella Barrandeopeltis Barrandia Basanellus Bashania Basidechenella Basilicus (=Basiliella; =Carinobasiliella; =Dolerobasilicus; =Basilicoides; =Mekynophrys; =Parabasilicus) Basocephalus Batenoides Bathycheilus (=Parabathycheilus) Bathydiscus Bathyholcus Bathynotellus Bathynotus (=Pagura) Bathyocos Bathyurellus Bathyuriscellus Bathyuriscidella Bathyuriscopsis Bathyuriscus (=Orria; =Orriella; =Wenkchemnia) Bathyurus Batocara (=Australurus) Bavarilla Bayfieldia