◆アルロクリプタスピス・エルリプティカ (絶滅) †Allocryptaspis elliptica (Bryant 1935)
syn.Cryptaspis elliptica Bryant 1935 Cryptaspidisca elliptica (Bryant 1935) *1935『Cryplaspis and Other Lower Devonian Fossil Fishes from Beartooth Butte, Wyoming:William Letchworth Bryant』。 *1940『The Nomenclator Zoologicus and Some New Fish Names:Gilbert Percy Whitley』。
◆アルロクリプタスピス・フラベルリフォルミス (絶滅) †Allocryptaspis flabelliformis (Bryant 1935)
syn.Cryptaspis flabelliformis Bryant 1935 *1935『Cryplaspis and Other Lower Devonian Fossil Fishes from Beartooth Butte, Wyoming:William Letchworth Bryant』。
◆アルロクリプタスピス・ラティコスタタ (絶滅) †Allocryptaspis laticostata Denison 1960 *1960『Fishes of the Devonian Holland Quarry shale of Ohio:Robert Howland Denison』。
◆アルロクリプタスピス・サンドベルギ (絶滅) †Allocryptaspis sandbergi Elliott, Reed & Loeffler 2004 *2004『A New Species of Allocryptaspis [Heterostraci] from the Early Devonian, with Comments on the Structure of the Oral Area in Cyathaspidids:David K.Elliott, Randal C.Reed & Elizabeth Jill Loeffler』。
Genus Amphoraspis♀ NOVITSKAYA & KARATAJŪTĖ-TALIMAA 1989 アムフォラスピス属 (絶滅)
◆アムフォラスピス・ステルラタ (絶滅) †Amphoraspis stellata Novitskaya & Karatajūtė-Talimaa 1989 *1989『A New Amphiaspid [Heterostraci] from the Lower Devonian Deposits of Taimyrl:Larissa Novitskaya & Valentina Nikolayevna Karatajūtė-Talimaa』。
Genus Capitaspis♀ ELLIOTT 2013 カピタスピス属 (絶滅)
◆カピタスピス・ギルブリンギ (絶滅) †Capitaspis giblingi Elliott 2013 *2013『A New Cyathaspid [Agnatha, Heterostraci] with an Articulated Oral Cover from the Late Silurian of the Canadian Arctic:David K.Elliott』。
Genus Cyathaspis♀ LANKESTER 1865 キアタスピス属 (絶滅)
※+Genus Diplaspis♀ MATTHEW 1888 (Type species : Pteraspis acadica Matthew 1886)。
※← [Cyathaspiformes BERG 1940]。
※← [Family Diplaspididae KIÆR 1932]。=Diplaspidae。
◆キアタスピス・アカディカ (絶滅) †Cyathaspis acadica (Matthew 1886)
syn.Diplaspis acadica (Matthew 1886) Pteraspis acadica Matthew 1886 *1886『Discovery of a Pteraspidian Fish in the Silurian Rocks of New Brunswick:George Frederic Matthew』。 *1888『On Some Remarkable Organisms of the Silurian and Devonian Rocks in Southern New Brunswick:George Frederic Matthew)』。
◆キアタスピス・バンクシイ (絶滅) †Cyathaspis banksii (Huxley & Salter ex Banks 1856)
syn.Cephalaspis banksii (Huxley & Salter ex Banks 1856) Lankester ex Powrie & Lankester 1868 Cyathaspis banksi Woodward 1891 Pteraspis banksii Huxley & Salterex Banks 1856 *1856『On the Tilestones, or Downton Sandstones, in the Neighbourhood of Kington and Their Contents:Richard William Banks』。 *1865『On the Genus Pteraspis:Edwin Ray Lankester』。 *1868『A Monograph of the Fishes of the Old Red Sandstone of Britain 1, the Cephalaspidæ 1867:James Powrie & Edwin Ray Lankester』。 *1874-1882『Über die Palaezoischen Gebiete Podoliens und Deren Versteinerungen 1874:Alois von Alth』。 *1891『Catalogue of the Fossil Fishes in the British Museum Natural History 2, Containing the Elasmobranchii/Acanthodii, Holocephali, Ichthyodorulites, Ostracodermi, Dipnoi & Teleostomi/Crossopterygii & Chondrostean/Actinopterygii:Arthur Smith Woodward』。 *1898『Outlines of Vertebrate Palæontology for Students of Zoology:Arthur Smith Woodward』。 *1868-1914『A Monograph of the Fishes of the Old Red Sandstone of Britain 1 & 2(再録):Ramsay Heatley Traquair』。 *1940『Система рыбообразных и рыб, ныне живущих и ископаемых:Лев Семенович Берг』。
Genus Ptomaspis♀ DENISON 1963 プトマスピス属 (絶滅)
◆プトマスピス・カナデンシス (絶滅) †Ptomaspis canadensis Denison 1963 *1963『New Silurian Heterostraci from the South-Eastern Yukon:Robert Howland Denison』。
Genus Seretaspis♀ STENSIÖ 1958 セレタスピス属 (絶滅)
◆セレタスピス・ジキ (絶滅) †Seretaspis zychi Stensiö 1958 *1958『Les Cyclostomes Fossils ou Ostracodermes:Erik Andersson Stensiö』。 *2011『The Early Devonian Armoured Agnathans of Podolia, Ukraine:Victor Kazimirovich Voichyshyn』。
Genus Steinaspis♀ OBRUČHEVex ORLOV 1964 ステイナスピス属 (絶滅)
◆ステイナスピス・ミロスニコウィ (絶滅) †Steinaspis miroshnikovi Obručhevex Orlov 1964
syn.Cyathaspis miroshnikovi (Obručhev ex Orlov 1964) *1964『Справочник для палеонтологов и геологов СССР 15, Основы палеонтологии:Юрий Александрович Орлов』。
◆トルペダスピス・エロンガタ (絶滅) †Torpedaspis elongata Broad 1968 *1968『Lower Devonian Heterostraci from the Peel Sound Formation, Prince of Wales Island, North-West Territories:David Stephen Broad』。 *1973『Torpedaspis, a New Upper Silurian and Lower Devonian Genus of Cyathaspididae [Ostracodermi] from Arctic Canada:David Stephen Broad & D.L.Dineley』。 シルル紀後期〜デボン紀前期。北米。25cm。装甲は狭く伸長し、体長の2/3を占めるほど。