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Pteraspidomorphi (jawless fish)
Taxonomy
Pteraspidomorphi was named by Goodrich (1909).
It was reranked as the subclass Pteraspidomorphi by Bryant (1932), Dineley and Metcalf (1999), Nelson et al. (2016); it was reranked as the superclass Pteraspidomorphi by Van Der Laan (2019).
It was assigned to Ostracodermi by Bryant (1932); to Agnatha by Dineley and Metcalf (1999); to Chordata by Sepkoski (2002); to Vertebrata by Young (1997), Kiessling (2004), Young (2009), Nelson et al. (2016); and to Craniata by Long (2011), Van Der Laan (2019).
It was reranked as the subclass Pteraspidomorphi by Bryant (1932), Dineley and Metcalf (1999), Nelson et al. (2016); it was reranked as the superclass Pteraspidomorphi by Van Der Laan (2019).
It was assigned to Ostracodermi by Bryant (1932); to Agnatha by Dineley and Metcalf (1999); to Chordata by Sepkoski (2002); to Vertebrata by Young (1997), Kiessling (2004), Young (2009), Nelson et al. (2016); and to Craniata by Long (2011), Van Der Laan (2019).
Subtaxa
Synonymy list
Year | Name and author |
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1909 | Pteraspidomorphi Goodrich |
1932 | Pteraspidomorphi Bryant p. 231 |
1997 | Pteraspidomorphi Young p. 4 |
1999 | Pteraspidomorphi Dineley and Metcalf p. 11 |
2002 | Pteraspidomorphi Sepkoski |
2004 | Pteraspidomorphi Kiessling |
2009 | Pteraspidomorphi Young p. 80 |
2011 | Pteraspidomorphi Long p. 241 |
2016 | Pteraspidomorphi Nelson et al. p. 26 |
2019 | Pteraspidomorphi Van Der Laan p. 15 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Supercl. †Pteraspidomorphi Goodrich 1909 [jawless fish]
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G. †Coscinodus
G. †Dipnoides
Or. †Furcacaudiformes Wilson and Caldwell 1998
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G. †Furcacauda
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†Furcacauda fredholmae Wilson and Caldwell 1998
†Furcacauda heintzae Dineley and Loeffler 1976
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Invalid names: Sigurdia heintzae Dineley and Loeffler 1976 [replaced]
G. †Pezopallichthyes
G. †Gompholepis
G. †Gyropeltus
G. †Palaeosteus
Cl. †Pteraspidomorpha
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Subcl. †Arandaspida Ritchie and Gilbert-Tomlinson 1977
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Fm. †Arandaspididae Ritchie and Gilbert-Tomlinson 1977
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G. †Arandaspis Ritchie and Gilbert-Tomlinson 1977
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†Arandaspis prionotolepis Ritchie and Gilbert-Tomlinson 1977
G. †Porophoraspis Ritchie and Gilbert-Tomlinson 1977
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†Porophoraspis crenulata Ritchie and Gilbert-Tomlinson 1977
Or. †Arandaspidiformes Ritchie and Gilbert-Tomlinson 1977
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Invalid names: Porophoraspidae Halstead 1993 [empty]
Subcl. †Astraspida Berg 1940
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Or. †Astraspidiformes Berg 1940
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Fm. †Tesakoviaspididae Karatajute-Talimaa and Smith 2004
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G. †Tesakoviaspis Karatajute-Talimaa and Meredith Smith 2004
Subcl. †Heterostraci Lankester 1868
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Or. †Amphiaspidiformes Novitskaya 2008
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Subor. †Amphiaspidoidei
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Fm. †Amphiaspididae Obruchev 1939
Fm. †Angaraspididae Halstead 1993
Fm. †Edaphaspididae Novitskaya 1968
Fm. †Gabreyaspididae Novitskaya 1968
Fm. †Olbiaspididae Obruchev 1964
Fm. †Ariaspididae Elliott and Swift 2010
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G. †Ariaspis Denison 1963
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†Ariaspis arctata Elliott and Swift 2010
†Ariaspis cristata Thorsteinsson and Elliott 2022
†Ariaspis majuscula Thorsteinsson and Elliott 2022
†Ariaspis multijubata Thorsteinsson and Elliott 2022
†Ariaspis nassichuki Thorsteinsson and Elliott 2022
†Ariaspis ornata Denison 1963
†Ariaspis perryi Thorsteinsson and Elliott 2022
Fm. †Cardipeltidae Bryant 1933
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G. †Cardipeltis Branson and Mehl 1931
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†Cardipeltis bryanti Denison 1966
†Cardipeltis richardsoni Denison 1966
†Cardipeltis wallacii Branson and Mehl 1931
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Invalid names: Cardipeltis oblongus Bryant 1933 [synonym], Cardipeltis sinclairi Bryant 1933 [synonym]
Subor. †Cyathaspida Kiaer 1932
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Unr. †Cyathaspidei Kiaer 1932
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Fm. †Diplaspidae Kiaer 1932
Fm. †Tolypaspidae Kiaer 1932
Fm. †Traquairaspidae Kiaer 1932
G. †Homalaspidella Strand 1934
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†Homalaspidella borealis Denison 1963
†Homalaspidella nitida Kiaer 1932
Unr. †Poraspidei Kiaer 1932
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Fm. †Ctenaspidae Kiaer 1930
Fm. †Dinaspidae Kiaer 1932
Fm. †Palaeaspidae Kiaer 1932
Or. †Cyathaspidiformes Kaier 1930
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Fm. †Cyathaspididae Kiaer 1932
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Subfm. †Anglaspidinae Kiaer 1932
G. †Archegonaspis Jaekel 1927
Subfm. †Boothiaspidinae Elliott 2016
Subfm. †Cyathaspidinae Denison 1964
G. †Cyathaspis
G. †Dikenaspis Denison 1963
G. †Eoarchegonaspis Kiaer 1932
G. †Faberaspis Elliott et al. 2018
Subfm. †Irregulareaspidinae Denison 1964
Subfm. †Poraspidinae Kiaer 1932
G. †Ptomaspis Denison 1963
G. †Sanidaspis Bystrow 1959
G. †Vernonaspis Flower and Smith 1952
Subor. †Cyathaspidoidei
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Fm. †Dictyaspidellidae Fowler 1947
Fm. †Dictyonaspidae Berg 1940
Fm. †Torpedaspididae Halstead 1993
Invalid names: Americaspidae Fowler 1947 [empty], Anglaspidae Kiaer 1932 [empty], Dinaspidellidae Strand 1934 [empty], Irregularaspidae Kiaer and Heinz 1935 [empty]
Subor. †Hibernaspidoidei
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Fm. †Aphataspididae Novitskaya 1971
Fm. †Eglonaspididae Tarlo 1962
Fm. †Hibernaspididae Obruchev 1939
Fm. †Guerichosteidae Halstead Tarlo 1964
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G. †Guerichosteus Halstead Tarlo 1964
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†Guerichosteus heterolepis Preobrazhensky 1911
†Guerichosteus kozlowskii Halstead Tarlo 1964
Or. †Lepidaspidiformes Halstead 1993
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Fm. †Protaspidae Bryant 1933
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G. †Psammolepis Agassiz 1843
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†Psammolepis abavica Mark-Kurik 1965
†Psammolepis aerata Obruchev 1965
†Psammolepis alata Obruchev 1965
†Psammolepis groenlandica Halstead Tarlo 1964
†Psammolepis paradoxa Agassiz 1845
†Psammolepis toriensis Mark-Kurik 1965
†Psammolepis venyukovi Obruchev 1965
Or. †Psammosteiformes Berg 1937
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Fm. †Obrucheviidae Halstead Tarlo 1964
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G. †Obruchevia Halstead Tarlo 1964
G. †Perscheia Elliott et al. 2004
Or. †Pteraspidiformes Berg 1940
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Fm. †Anchipteraspididae Elliott 1984
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G. †Anchipteraspis Elliott 1984
G. †Rhachiaspis Elliott 1984
G. †Ulutitaspis Elliott 1984
Fm. †Protopteraspididae Novitskaya 1983
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G. †Canadapteraspis Dineley and Loeffler 1976
G. †Escharaspis Elliott 1983
G. †Gigantaspis Heintz 1962
G. †Loricopteraspis Halstead Tarlo 1961
G. †Miltaspis Blieck 1982
G. †Stegobranchiaspis Elliott 1983
G. †Zascinaspis Stensiu 1958
Fm. †Pteraspididae Claypole 1885
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G. †Archaeoteuthis Roemer 1855
G. †Chiastolepis Eichwald 1844
G. †Clavulaspis Elliott et al. 2020
G. †Ecphymaspis Elliott et al. 2020
G. †Glossoidaspis Branson and Mehl 1931
G. †Helaspis Elliott et al. 2000
G. †Holaspis Lankester 1873
G. †Kallostrakon
G. †Mitraspis Elliott et al. 2015
G. †Mylopteraspis Stensiu 1958
G. †Palaeoteuthis Roemer 1855
G. †Rhachiaspis Elliott 1984
G. †Scaphaspis Lankester 1865
G. †Scutellaspis Elliott et al. 2020
G. †Sphagodus Agassiz 1839
Invalid names: Doryaspidinae Heintz 1967 [empty], Pteraspidinae Claypole 1885 [empty]
Subor. †Pteraspidoidei Janvier 1996
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G. †Alaeckaspis Voichyshyn 1999
G. †Blieckaspis Elliott and Ilyes 1996
G. †Djurinaspis Novitskaya 1983
Fm. †Doryaspidae Randle and Sansom 2017
G. †Eucyclaspis Denison 1970
G. †Europrotaspis White 1961
G. †Lamiaspis Ilyes and Elliott 1994
G. †Larnovaspis Blieck 1984
G. †Mylopteraspidella Blieck 1984
G. †Oreaspis Denison 1970
G. †Panamintaspis Elliott and Ilyes 1996
G. †Parapteraspis Stensio 1958
G. †Pirumaspis Ilyes and Elliott 1994
G. †Podolaspis Zych 1931
Fm. †Protaspididae
G. †Protaspis Bryant 1933
Fm. †Psammosteidae Traquair 1896
Fm. †Rhinopteraspididae Novitskaya 2004
G. †Semipodolaspis Voichyshyn 2011
G. †Unarkaspis Elliott 1983
G. †Rimasventeraspis Tarrant 1991
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†Rimasventeraspis angusta Tarrant 1991
†Rimasventeraspis septentrionalis Thorsteinsson and Elliott 2022
G. †Strosipherus Pander 1856
Or. †Tesseraspidiformes
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Invalid names: Cardipeltida [empty], Cardipeltiformes Bryant 1933 [empty], Ceraspidae [empty], Corvaspidida [empty], Drepanaspidae [empty], Lepidaspidida [empty], Olbiaspidida Obruchev 1964 [empty], Palaeaspidi Jaekel 1911 [empty], Pteraspidi Jaekel 1911 [empty], Pteraspidomorphes [synonym], Tesseraspidida [empty], Tolypelepidida [empty], Traquairaspidida Stensio 1958 [empty]
Invalid names: Diplorhina [synonym]
G. †Rabdacanthus
G. †Sigurdia
G. †Tylodus
Invalid names: Pteraspidida Kaier 1932 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subp = subphylum, p = phylum | |||||
References: Carroll 1988, Kiessling 2004 |
Age range: base of the Bendigonian to the top of the Pennsylvanian or 474.90000 to 298.90000 Ma
Collections (325 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Arenig | Australia (Northern Territory) | Arandaspis prionotolepis (90386) Porophoraspis crenulata, Arandaspis prionotolepis (90382) | |
Bendigonian | Australia (Northern Territory) | Porophoraspis sp. (90417) | |
Dapingian - Darriwilian | Oman | Sacabambaspis sp. (90376) | |
Darriwilian | Australia (Northern Territory) | Sacabambaspis sp. (90418) | |
Darriwilian | Oman | Sacabambaspis sp. (90377) | |
Llanvirn | Australia (Northern Territory) | Arandaspis sp., Porophoraspis sp. (90420) | |
Llanvirn | Australia (New South Wales) | Arandaspis sp. (90375) | |
Early/Lower Llandeilo | Argentina | Sacabambaspis janvieri (8868) | |
Caradoc | USA (Colorado) | Astraspis desiderata, Astraspis splendens, Eriptychius americanus (10380) | |
Caradoc | Bolivia (Punata) | Sacabambaspis janvieri (210981) | |
Youngest occurrences |
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Time interval | Ma | Country or state | PBDB collection number |
Frasnian | Canada (Nunavut) | Traquairosteus kiaeri (239676) | |
Frasnian | Russian Federation | Psammosteus cuneatus (239673) Psammosteus levis, Traquairosteus ramosus, Traquairosteus pectinatus (239674) Psammosteus maeandrinus, Karelosteus weberi, Psammosteus asper, Traquairosteus pectinatus (239134) Psammosteus tenuis (239675) | |
Middle Frasnian | Canada (Nunavut) | Perscheia pulla (236499) | |
Middle Frasnian | Russian Federation (Saint Petersburg) | Psammosteus megalopteryx (196703) | |
Middle Frasnian - Late/Upper Frasnian | United Kingdom | Psammosteus megalopteryx (239413) | |
Late/Upper Frasnian | Russian Federation | Obruchevia heckeri, Psammosteus falcatus (238745) Psammosteus sp. (90336) | |
Late/Upper Frasnian | United Kingdom (Scotland) | Traquairosteus pustulatus, Traquairosteus falcatus (176215) | |
Famennian | Greenland | Psammosteus sp. (238738) | |
Pennsylvanian | Ireland | Psammosteus granulatus (132818) | |
Pennsylvanian | United Kingdom | Psammosteus vermicularis (132819) |