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AGNATHA REDUX: OSTRACODERMS - ARMOURED JAWLESS FISH

Some early jawless fish took a level in badass and developed armour. These are the Anaspida, Pteraspidomorphi, Thelodonti, Pituriaspida, Galeaspida and Osteotraci. Next step: jaw jaw.

 
Anaspida | Endeiolepidiformes | Eldeiolepididae
†Endeiolepis
 
Anaspida | Birkeniiformes
†Cowielepis
 
Anaspida | Birkeniiformes
†Hoburgilepis
 
Anaspida | Birkeniiformes
†Kerreralepis
 
Anaspida | Birkeniiformes
†Maurylepis
 
Anaspida | Birkeniiformes
†Rytidolepis
 
Anaspida | Birkeniiformes
†Schidiosteus
 
Anaspida | Birkeniiformes
†Silmalepis
 
Anaspida | Birkeniiformes
†Vesikulepis
 
Anaspida | Birkeniiformes | Pharyngolepididae
†Pharyngolepis
 
Anaspida | Birkeniiformes | Pterygolepididae
†Pterygolepis
 
Anaspida | Birkeniiformes | Rhyncholepididae
†Rhyncholepis
 
Anaspida | Birkeniiformes | Tahulalepididae
†Tahulalepis
 
Anaspida | Birkeniiformes | Tahulalepididae
†Trimpleylepis
 
Anaspida | Birkeniiformes | Lasaniidae
†Lasanius
 
Anaspida | Birkeniiformes | Ramsaasalepididae
†Ramsaasalepis
 
Anaspida | Birkeniiformes | Birkeniidae
†Vilkitskilepis
 
Anaspida | Birkeniiformes | Birkeniidae
†Ctenopleuron
 
Anaspida | Birkeniiformes | Birkeniidae
†Saarolepis
 
Anaspida | Birkeniiformes | Birkeniidae
†Birkenia
 
Anaspida | Birkeniiformes | Septentrioniidae
†Liivilepis
 
Anaspida | Birkeniiformes | Septentrioniidae
†Manbrookia
 
Anaspida | Birkeniiformes | Septentrioniidae
†Ruhnulepis
 
Anaspida | Birkeniiformes | Septentrioniidae
†Spokoinolepis
 
Anaspida | Birkeniiformes | Septentrioniidae
†Septentrionia
 
Pteraspidomorphi
†Anatolepis
 
Pteraspidomorphi | Arandaspida | Aseraspididae
†Aseraspis
 
Pteraspidomorphi | Arandaspida | Arandaspididae
†Andinaspis
 
Pteraspidomorphi | Arandaspida | Arandaspididae
†Adepolepis
 
Pteraspidomorphi | Arandaspida | Arandaspididae
†Arandaspis
 
Pteraspidomorphi | Arandaspida | Arandaspididae
†Areyongalepis
 
Pteraspidomorphi | Arandaspida | Arandaspididae
†Sacabambaspis
 
Pteraspidomorphi | Heterostracomorphi | Astraspida | Astraspididae
†Astraspis
 
Pteraspidomorphi | Heterostracomorphi | Astraspida | Tesakoviaspididae
†Tesakoviaspis
 
Pteraspidomorphi | Heterostracomorphi | Eriptychiida | Eriptychiidae
†Eriptychius
 
Pteraspidomorphi | Heterostracomorphi | Eriptychiida | Oniscolepididae
†Kallostrakon
 
Pteraspidomorphi | Heterostracomorphi | Eriptychiida | Oniscolepididae
†Oniscolepis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci
†Weigeltaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Tesseraspidiformes
†Tesseraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Traquairaspidiformes | Phialaspididae
†Phialaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Traquairaspidiformes | Traquairaspididae
†Traquairaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Tolypelepidiformes
†Asketaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Tolypelepidiformes
†Athenaegis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Tolypelepidiformes
†Tolypelepis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ariaspidae
†Anglaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ariaspidae
†Ariaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ariaspidae
†Liliaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ariaspidae
†Listraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ariaspidae
†Paraliliaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ctenaspididae
†Alainaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ctenaspididae
†Allocryptaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ctenaspididae
†Arctictenaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ctenaspididae
†Boothiaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Ctenaspididae
†Zaphoctenaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Cyathaspidae
†Capitaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Cyathaspidae
†Cythaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Cyathaspidida | Cyathaspidae
†Poraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Amphiaspididae
†Amphiaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Amphiaspididae
†Amphoraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Edaphaspididae
†Edaphaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Gabreyaspididae
†Gabreyaspididae
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Gabreyaspididae
†Pelaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Gabreyaspididae
†Prosarctaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Gabreyaspididae
†Tareyaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Olbiaspididae
†Angaraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Olbiaspididae
†Kureykaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Amphiaspidoidei | Olbiaspididae
†Olbiaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Aphataspididae
†Aphataspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Aphataspididae
†Putoranaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Eglonaspididae
†Eglonaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Eglonaspididae
†Empedaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Eglonaspididae
†Gerronaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Eglonaspididae
†Lecaniaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Eglonaspididae
†Pelurgaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Hibernaspidoidei | Hibernaspididae
†Hibernaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Siberiaspidoidei | Siberiaspididae
†Argyriaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Siberiaspidoidei | Siberiaspididae
†Siberiaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Siberiaspidoidei | Tuxeraspididae
†Dotaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Siberiaspidoidei | Tuxeraspididae
†Litotaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Cyathaspidiformes | Amphiaspidida | Siberiaspidoidei | Tuxeraspididae
†Tuxeraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Anchipteraspididae
†Anchipteraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Anchipteraspididae
†Rhachiaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Anchipteraspididae
†Ulutitaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Protopteraspididae
†Protopteraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Protopteraspididae
†Doryaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Psammosteida | Psammosteidae
†Drepanaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Psammosteida | Psammosteidae
†Psammolepis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Psammosteida | Psammosteidae
†Pycnosteus
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei
†Palanasaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Gigantaspididae
†Gigantaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Althaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Blieckaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Errivaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Helaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Podolaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Pteraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Pteraspididae
†Rhinopteraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Protaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Cosmaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Lampraspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Europrotaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Cyrtaspidichthys
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Oreaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Psephaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Rodenaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Tuberculaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Xylaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Zascinaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Woodfjordaspis
 
Pteraspidomorphi | Heterostracomorphi | Heterostraci | Pteraspidiformes | Pteraspidoidei | Protaspididae
†Pirumaspis
 
Thelodonti | Thelodontiformes | Coelolepidae
†Coelolepis
 
Thelodonti | Thelodontiformes | Coelolepidae
†Larolepis
 
Thelodonti | Thelodontiformes | Coelolepidae
†Thelodus
 
Thelodonti | Thelodontiformes | Eestilepididae
†Eestilepis
 
Thelodonti | Thelodontiformes | Longodidae
†Longodus
 
Thelodonti | Thelodontiformes | Palaeodontidae
†Palaeodus
 
Thelodonti | Thelodontiformes | Palaeodontidae
†Archodus
 
Thelodonti | Thelodontiformes | Phlebolepididae
†Erepsilepis
 
Thelodonti | Thelodontiformes | Phlebolepididae
†Phlebolepis
 
Thelodonti | Archipelepidiformes | Archipelepididae
†Archipelepis
 
Thelodonti | Furcacaudiformes | Drepanolepididae
†Drepanolepis
 
Thelodonti | Furcacaudiformes | Furcacaudidae
†Canonia
 
Thelodonti | Furcacaudiformes | Furcacaudidae
†Cometicercus
 
Thelodonti | Furcacaudiformes | Furcacaudidae
†Furcacauda
 
Thelodonti | Furcacaudiformes | Furcacaudidae
†Sphenonectris
 
Pituriaspida | Pituriaspididae
†Pituriaspis
 
Pituriaspida | Pituriaspididae
†Neeyambaspis
 
Galeaspida | Hanyangaspididae
†Hanyangaspis
 
Galeaspida | Xiushuiaspididae
†Xiushuiaspis
 
Galeaspida | Dayongaspididae
†Doyongaspis
 
Galeaspida | Eugaleaspidiformes
†Yongdongaspis
 
Galeaspida | Eugaleaspidiformes | Shuyuidae
†Shuyu
 
Galeaspida | Eugaleaspidiformes | Eugaleaspididae
†Dunyu
 
Galeaspida | Eugaleaspidiformes | Eugaleaspididae
†Nochelaspis
 
Galeaspida | Polybranchiaspidida | Polybranchiaspididae
†Polybranchiaspis
 
Galeaspida | Huananaspidiformes | Huananaspidae
†Huanaspis
 
Osteotraci
†Hemicyclaspis
 
Osteotraci
†Cephalaspis
 
Osteotraci
†Pattenaspis
 
Osteotraci
†Zychaspis
 
Osteotraci
†Hildenaspis
 
Osteotraci
†Mimetaspis
 
Osteotraci
†Waengsjoeaspis
 
Osteotraci
†Camptaspis
 
Osteotraci
†Yvonaspis
 
Osteotraci | Ateleaspididae
†Hirella
 
Osteotraci | Ateleaspididae
†Aceraspis
 
Osteotraci | Ateleaspididae
†Ateleaspis
 
Osteotraci | Zenaspida
†Spangenhelmaspis
 
Osteotraci | Zenaspida
†Wladysagitta
 
Osteotraci | Zenaspida | Parameteoraspididae
†Parameteoraspis
 
Osteotraci | Zenaspida | Parameteoraspididae
†Balticaspis
 
Osteotraci | Zenaspida | Parameteoraspididae
†Trewinia
 
Osteotraci | Zenaspida | Parameteoraspididae
†Escuminaspis
 
Osteotraci | Zenaspida | Parameteoraspididae
†Levesquaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Tegaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Stensiopelta
 
Osteotraci | Zenaspida | Zenaspididae
†Diademaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Zenaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Scolenaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Ukrainaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Machairaspis
 
Osteotraci | Zenaspida | Zenaspididae
†Superciliaspis
 
Osteotraci | Benneviaspididae
†Ectinaspis
 
Osteotraci | Benneviaspididae
†Securiaspis
 
Osteotraci | Benneviaspididae
†Benneviaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Hoelaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Severaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Boreaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Dicranaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Spatulaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Belonaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Hapilaspis
 
Osteotraci | Benneviaspididae | Boreaspidoidei
†Tauraspis
 
Osteotraci | Thyestiida
†Ilemoraspis
 
Osteotraci | Thyestiida
†Procephalaspis
 
Osteotraci | Thyestiida
†Auchenaspis
 
Osteotraci | Thyestiida
†Thyestes
 
Osteotraci | Thyestiida
†Witaaspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Saaremaspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Tyriaspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Aestiaspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Dartmuthia
 
Osteotraci | Thyestiida | Tremataspidoidea
†Timanaspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Oeselaspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Tremataspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Dobraspis
 
Osteotraci | Thyestiida | Tremataspidoidea
†Sclerodus
 
Osteotraci | Thyestiida | Tremataspidoidea
†Tannuaspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Didymaspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Kiaeraspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Noreslaspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Nectaspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Axinaspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Acrotomaspis
 
Osteotraci | Thyestiida | Kiaeraspidoidea
†Gustavaspis
 
Sir Graham