E. mckayensis

Abakanopleura, Acanthocephalus, Acantholenus, Acrohybus, Adelogonus, Aglagalia, Agraulaeva, Aguaraya, Aidarella, Alomataspis, Altajaharpes, Altiplanelaspis, Amechilus, Amginouyia, Ampellatocephalina, Anacopodia, Antagmopleura, Antatlaeva, Atratebia, Avalonia, Avascutellum, Barklyella, Bathynotellus, Beikedamaspis, Bergerolimbus, Bicornipyge, Blayacina, Bondarevites, Brevitermierella, Bridgeia, Cambrunicornia, Carmon, Catadoxides, Cermatops, Chakasskia, Chinensis, Chondroparia, Conoides, Cornovica, Costonia, Crossoura, Crucicephalus, Curiaspis, Cuyanaspis, Cyclolenzellina, Deltacare, Edganocare, Ellipsuella, Ellsaspis, Endoaspis, Entomostracites, Entsyna, Eosaukia, Esseigania, Fabulaspis, Folliceps, Fritzaspis, Galahetes, Gelasene, Gentilapsis, Gigmpeltis, Gigoutella, Giordanella, Gogoella, Goycoia, Hamashania, Hercantyx, Hicksia, Howelluella, Ishpella, Issafenia, Issafeniella, Iveria, Iwayaspis, Jonotus, Jubileia, Judaiella, Juriietella, Kamlacus, Kanfuqingia, Kazellina, Keeleaspis, Kerbinella, Knechtelia, Kolpura, Koraipsis, Kujandina, Latoucheia, Leptopilus, Levisia, Liriamnica, Lomsucaspis, Lotosoides, Loxonepea, Loxopeltis, Lusampa, Mannschreckia, Mareda, Mataninella, Mecophrys, Megalaspidicus, Meisterella, Meneghinella, Microdiscus, Moretarva, Nehanniaspis, Neomalungia, Ninaspis, Norina, Orictocara, Orienturus, Orodes, Otekmaspis, Otenaspella, Ourikaia, Oxygonaspis, Paichiashania, Palaeolentus, Palmeraspis, Paraplagiura, Paraplesiograulos, Pararania, Peculicephalina, Perissopyge, Piliolites, Planolimbus, Poculicephalina, Priceaspis, Pseudoacicaudus, Pseudoclelandia, Pseudocrecephalaspina, Pseudoliostracina, Pseudosalteria, Pseudotermierella, Ptyttstrigis, Pyraustocranium, Qijiangia, Redlichaspis, Resseria, Resseropsis, Rochaeva, Rowia, Sailycaspis, Schistocephalus, Sectigena, Sekwiaspis, Selenocoryphe, Serksia, Serksioides, Sibiriopeltis, Smeathenia, Sphaerocare, Spizharaspis, Stittaspis, Tadakoustia, Taidonorus, Taplimella, Tazemmourtia, Thymurus, Tongxingaspis, Toxotis, Trapezocephalina, Trinia, Tuyunaspis, Ullaspis, Ulrickaspis, Validaspis, Variopelta, Volonellus, Whittardolithus, Winsteria, Zigzuella