栉虫目 櫛虫目學名Asaphida是三葉蟲綱下一個體型較大具備多樣性的目其化石分布於古生代寒武紀中期至志留紀之間的地層櫛虫目三葉虫的頭部cephalon與尾部pygidium通常大小相近且多數品種外型扁平胸節數量通常為至節然而某些品種卻僅有個胸節亦有多達節的品種 古生物學家推測奧陶紀中期時目前俄羅斯聖彼得堡附近地區為一內陸海此內陸海之水質混濁使得某些櫛虫目三葉蟲演化出長眼柄照片中的 Asaphus kowalewski 即是一個實例 下列是櫛蟲目下的各科 Anomocaroidea Andrarinidae Anomocarellidae Anomocaridae Aphelaspididae Parabolinoididae Pterocephalidae Asaphoidea Asaphidae Anataphrus Whittington  Asaphellus Callaway  Asaphellus artus Robison  PantojaAlor  Asaphellus aspinus Robison  PantojaAlor  Asaphellus catamarcensis Kobayashi  Asaphellus charoenmiti Asaphellus clarksoni Tortello  Esteban  Asaphellus communis Robison  PantojaAlor  Asaphellus homfrayi Salter  Asaphellus isabelae Meroi Arcerito Waisfeld  Balseiro  Asaphellus jujuanus Harrington  Asaphellus nazarenensis Tortello  Esteban  Asaphellus riojanus Harrington  Leanza  Asaphellus trinodosus Chang  Asaphus Brongniart  Atopasaphus Shergold  Aulacoparia Hintze  Jaanusson  Australopyge Harrington  Leanza  Basilicus Salter  Basiliella Kobayashi  Basiliscus Zittel  Bellefontia Walcott  Birmanites Sheng  Blainia Walcott  Bohemopyge Pribyl  Borogothus Tjernvik  Brachyaspis Boulenger  Brachyaspis Salter  Branisaspis Pribyl  Vanek  Burminresia Laurie  Charchaquia Coriotela Burks  Heraty  Daketia Luo Zhou Hu Zhan  Lu  Damiraspis Ghobadi Pour Popov  Vinogradova  Dolerasaphus Harrington  Leanza  Dolerobasilicus Harrington  Leanza  Dolerobasilicus Kobayashi  Ectenaspis Raymond  Eisarkaspis Laurie  Emanuelaspis Laurie  Eoasaphus Kobayashi  Eoisotelus Wang  Farasaphus Ghobadi Pour Popov  Vinogradova  Fuyunia Hsiang  Zhang  Gerasaphes Clarke  Gog Fortey  Gogiura Rosova  Golasaphus Shergold  Griphasaphus Öpik  Guohongjunia Zhang  Hemigyraspis Raymond  Hoekaspis Kobayashi  Homalopyge Jaanusson  Homotelus Raymond  Hunnebergia Tjernvik  Isabelinia Rabano  Isoteloides Raymond  Isotelus De Kay  Isyrakopeltis Rosova  Kainisiniella Baldis  González  Kayseraspis Harrington  Kierarges Corbacho  Kirkella Kobayashi  Klabavia Pribyl  Vanek  Kobayashia Harrington  Lachnostoma Ross  Lapidaria Tjernvik  Liomegalaspides Lu  Lisogorites Chugaeva  Lonchobasilicus Zhou  Lycophron Fortey  Shergold  Madiganaspis Laurie  Megalaspidella Kobayashi  Megalaspides Brögger  Megistaspis Jaanusson  Merlinia Fortey  Owens  Metaptychopyge Balashova  Metayuepingia Liu  Mioptychopyge Zhou Dean Yuan  Zhou  Nahannia Neoasaphus Jaanusson  Neopeltis Zhang  Nerudaspis Pribyl  Vanek  Nileoides Raymond  Ningkianites Lu  Niobe Angelin  Niobella Reed  Niobides Harrington  Leanza  Niobina Lake  Nobiliasaphus Pribyl  Vanek  Norasaphus Fortey  Shergold  Norinia Troedsson  Notopeltis Harrington  Leanza  Ogmasaphus Jaanusson  Ogyginus Ogygiocarella Harrington  Leanza  Ogygiocaris Angelin  Ogygiogaris Ogygitella Harrington  Leanza  Ogygites Tromelin  Lebesconte  Ogygitoides Kobayashi  Onchometopus Schmidt  Opsimasaphus Kielan  Parabellefontia Hintze  Paramegalaspis Thoral  Paraptychopyge Balashova  Paratamdaspis Ergaliev  Penchiopsis Lu  Platypletis Plectasaphus Jaanusson  Popovkiaspis Balashova  Presbynileus Hintze  Priceaspis Legg  Proasaphus Balashova  Promegalaspides Westergård  Protopresbynileus Hintze  Protoptychopyge Balashova  Proxiniobe Hoel  Pseudasaphus Schmidt  Pseudoasaphus Schmidt  Pseudobasilicus Reed  Pseudogriphasaphus Peng  Pseudogygites Pseudomegalaspis Pseudoptyocephalus Legg  Psilocephalina Hsü  Ptychocephalus Agassiz  Ptychopyge Angelin  Ptyocephalus Whittington  Sanbernardaspis Acenolaza  Stegnopsis Stenorhachis Suriaspis Acenolaza  Rabano  Tchukeraspis Rosova  Thysanopyge Kayser  Trigonocerca Ross  Trigonocercella Hintze  Valdaites Balashova  Vogdesia Raymond  Xenasaphus Jaanusson  Xenostegium Walcott  Zhenganites Yin  Zuninaspis Harrington  Leanza  Ceratopygidae Trinucleioidea Alsataspididae Dionididae Liostracinidae Raphiophoridae Trinucleidae Dikelocephaloidea Dikelocephalidae Anderssonella Kobayashi  Anderssonella undulata Berkeia Resser  Blandicephalus Palmer  Briscoia Walcott  Caznaia Shergold  Caznaia imsamuti Dikellacephalus Owen  Dikelocephalus Owen  Elkia Walcott  Eosaukia Lu  Galerosaukia Shergold  Hamashania Kobayashi  Kasachstanaspis Balashova  Lichengia Kobayashi  Lophoholcus Öpik  Menocephalus Owen  Monocheilus Neoiranella Özdikmen  Osceolia Walcott  Pterocephalops Lin  Zhang  Pterocephalops Rasetti  Sinosaukia Sun  Stigmacephalus Resser  Stigmaspis Nelson  Walcottaspis Ulrich  Resser  Eurekiidae Bandalaspis Ivshin  Bayfieldia Clark  Corbina Corbinia Walcott  Corbinia perforata Eurekia Walcott  Maladia Rose  Tostonia Walcott  Wisarcadiaspis Westrop  Palmer  Loganellidae Ptychaspididae Saukiidae Calvinella Walcott  Diemanosaukia Jago  Corbett  Linguisaukia Peng  Lophosaukia Shergold  Lophosaukia jiangnanensis Lu  Lin  Lophosaukia nuchanongi Lophosaukia rectangulata Ergaliev  Lophosaukia torquata Shergold  Mictosaukia Shergold  Prosaukia Ulrich  Resser  Pseudocalvinella Saukia Walcott  Saukiella Ulrich  Resser  Stenosaukia Raymond  Suluderella Özdikmen  Tellerina Ulrich  Resser  Cyclopygoidea Cyclopygidae Nileidae Taishunghaniidae Remopleuridoidea Auritamiidae Bohemillidae Hungaiidae Idahoiidae Remopleurididae