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Agnostoidea
Taxonomy
Agnostoidea was named by M'Coy (1849).
It was assigned to Miomera by Palmer and Halley (1979); to Trilobita by Bruton and Harper (2000); to Agnostida by Westrop et al. (1996), Pour and Popov (2009); and to Agnostina by Lerosey-Aubril et al. (2020).
It was assigned to Miomera by Palmer and Halley (1979); to Trilobita by Bruton and Harper (2000); to Agnostida by Westrop et al. (1996), Pour and Popov (2009); and to Agnostina by Lerosey-Aubril et al. (2020).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1849 | Agnostoidea M'Coy |
| 1979 | Agnostoidea Palmer and Halley p. 75 |
| 1996 | Agnostoidea Westrop et al. p. 812 |
| 2000 | Agnostoidea Bruton and Harper p. 33 |
| 2009 | Agnostoidea Pour and Popov |
| 2020 | Agnostoidea Lerosey-Aubril et al. p. 525 |
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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.
Superfm. †Agnostoidea M'Coy 1849
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Fm. †Peronopsidae Westergard 1936
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G. †Archaeagnostus Kobayashi 1939
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†Archaeagnostus primigeneus Kobayashi 1939
†Archaeagnostus primigneus Kobayashi 1939
G. †Diplorrhina Hawle and Corda 1847
G. †Itagnostus Opik 1979
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†Itagnostus gaspensis Rasetti 1948
†Itagnostus idahoensis Sundberg 2020
†Itagnostus interstrictus White 1874
†Itagnostus oepiki Laurie 2004
G. †Micagnostus Khairullina 1975
G. †Pentagnostus Lermontova 1940
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†Pentagnostus admirabilis Ergaliev and Ergaliev 2008
†Pentagnostus anabarensis Lermontova 1940
†Pentagnostus brighamensis Resser 1939
†Pentagnostus endemicus Ergaliev and Ergaliev 2008
†Pentagnostus krusei Laurie 2006
†Pentagnostus praecurrens Westergård 1936
†Pentagnostus shabaktensis Ergaliev and Ergaliev 2008
†Pentagnostus shergoldi Laurie 2004
G. †Peronopsella Szduy 1967
G. †Peronopsis Corda 1847
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Subg. †Peronopsis (Proacadagnostus) Naimark 2012
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†Peronopsis (Proacadagnostus) normata Whitehouse 1936
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Invalid names: Agnostus chinensis Walcott 1913 [synonym]
Subg. †Peronopsis (Svenax) Opik 1979
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†Peronopsis (Svenax) egenus Jago 1976
†Peronopsis (Svenax) pusillus Tullberg 1880
Subg. †Peronopsis (Vulgagnostus) Naimark 2012
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†Peronopsis (Vulgagnostus) longinqua Öpik 1979
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Invalid names: Peronopsis prolixa Öpik 1979 [synonym]
†Peronopsis amplaxis Robison 1982
†Peronopsis angustilimbatus Ergaliev and Ergaliev 2008
†Peronopsis bilobus Yang et al. 1993
†Peronopsis bulkurensis Pokrovskaya and Pegel 1982
†Peronopsis curtus Ergaliev and Ergaliev 2008
†Peronopsis cylindrica Westergard 1946
†Peronopsis elkedraensis Eldredge 1902
†Peronopsis elongatus Ergaliev and Ergaliev 2008
†Peronopsis fallax Linnarsson 1869
†Peronopsis guoleensis Sun 1989
†Peronopsis inarmata Hutchinson 1962
†Peronopsis integer Beyrich 1845
†Peronopsis integra Beyrich 1845
†Peronopsis intermedius Ergaliev and Ergaliev 2008
†Peronopsis ozakii Resser and Endo 1937
†Peronopsis prodigialis Ergaliev and Ergaliev 2008
†Peronopsis pseudointerstrictus Ergaliev and Ergaliev 2008
†Peronopsis roddyi Resser and Howell 1938
†Peronopsis shandongensis Sun 1989
†Peronopsis taitzuhoensis Lu 1957
†Peronopsis ultimus Ergaliev 1980
†Peronopsis xichuanensis Yang et al. 1993
Invalid names: Mesagnostus Jaekel 1909 [synonym], Mesophenicus Hawle and Corda 1847 [synonym]
Subfm. †Phalacrominae Raymond 1913
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G. †Quadragnostus Howell 1935
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†Quadragnostus clarus Pokrovskaya and Egorova 1982
†Quadragnostus depressa Westergård 1946
G. †Redeagnostus Naimark 2012
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Invalid names: Peronopseinae Westergard 1938 [empty]
Invalid names: Hypagnostoidae Ivshin 1953 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily | |||||
| References: Kiessling 2004, Robison 1994 | |||||
Collections (286 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | Argentina (Mendoza) | Peronopsis sp. (200107) | |
| Branchian | United Kingdom (England) | Peronopsis hartshillensis, Peronopsis tenuis, Peronopsis inarmata (225240) | |
| Dyeran | USA (Utah) | Peronopsis bonnerensis, Peronopsis brighamensis (75633 75634) | |
| Dyeran | USA (New York) | Peronopsis primigenea, Peronopsis evansi (8234) | |
| Dyeran | Greenland | Peronopsis sp. A (225140 235445) | |
| Dyeran | USA (Pennsylvania) | Eoagnostus roddyi (192 11110 225188 226193) | |
| Dyeran | Canada (Quebec) | Archaeagnostus sp. (78755) | |
| Dyeran | USA (Idaho) | Peronopsis bonnerensis (75632) | |
| Dyeran - Marjumian | USA (Utah) | Peronopsis interstricta (193607) | |
| Duyunian - Taijangian | China (Guizhou) | Peronopsis sp. (107174) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Guzhangian | China (Sichuan) | Peronopsis sinensis (127068) | |
| Ayusokkanian | Kazakhstan | Peronopsis fallax (118191) Peronopsis minor (118158 118164) Peronopsis minor, Svenax pusillus (118165) Peronopsis quadrata (118177 118178) Peronopsis quadrata, Peronopsis fallax (118184) Svenax pusillus (9950) | |
| Dresbachian | Canada (Newfoundland and Labrador) | Peronopsis interstricta, Peronopsis segmenta (9703) Peronopsis scutalis (9692 9694) | |
| Merioneth | Canada (Alberta-British Columbia) | Peronopsis sp. (213) | |
| Merioneth | USA (Vermont) | Quadragnostus sp. (217) | |
| Merioneth | Iran | Peronopsis minor (10633) | |
| Tremadoc | Argentina (La Rioja) | Gallagnostus bolivianus (116139) | |
| Tremadoc | Argentina (Salta) | Gallagnostus bolivianus (115783 115804 115807 115979 116020) | |
| Tremadoc | Argentina (Jujuy) | Gallagnostus bolivianus (9093) | |
| Tremadoc | Argentina | Gallagnostus sp. (8866 9021) | |