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Semionotus
Taxonomy
Semionotus was named by Agassiz (1832) [Sepkoski's age data: Tr m J l]. Its type is Semionotus bergeri.
It was assigned to Lepidotidae by Hay (1902); to Teleostomi by Haughton (1924); to Semionotiformes by Sepkoski (2002); and to Semionotidae by Woodward (1890), Woodward (1895), Schaeffer and Dunkle (1950), Schaeffer (1967), Beltan (1972), McCune (1986) and López-Arbarello (2012).
It was assigned to Lepidotidae by Hay (1902); to Teleostomi by Haughton (1924); to Semionotiformes by Sepkoski (2002); and to Semionotidae by Woodward (1890), Woodward (1895), Schaeffer and Dunkle (1950), Schaeffer (1967), Beltan (1972), McCune (1986) and López-Arbarello (2012).
Species
Palaeoniscus agassizii, S. agassizii (syn. S. marshii), S. australis, S. beardmori, S. bergeri (syn. S. esox, Palaeoniscum arenaceum, S. elongatus, S. spixi) (type species), S. braunii, S. capensis, S. elegans (syn. S. lenticularis, S. modestus), S. formosus, S. fultus (syn. Ischypterus macropterus), S. gibbus, S. gigas, S. howelli, S. kapffi, S. leptocephalus, S. lineatus (syn. S. alatus), S. metcalfi, S. micropterus, S. minutus, S. nilssoni, S. normanniae, S. ovatus, S. parvus, S. robustus, S. tenuis, S. trotti
Synonyms
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Synonymy list
Year | Name and author |
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1832 | Semionotus Agassiz p. 144 |
1833 | Semionotus leptocephalus Agassiz p. 8 |
1834 | Semionotus leptocephalus Agassiz figs. Pl 26, fig 1 |
1836 | Semionotus leptocephalus Agassiz p. 222 |
1837 | Semionotus nilssoni Agassiz p. 229 |
1843 | Semionotus nilssoni Agassiz figs. Pl 27a, figs 1-5 |
1847 | Ischypterus Egerton |
1857 | Semionotus trotti Bellotti |
1866 | Semionotus gibbus Seebach |
1890 | Semionotus Woodward p. 30 |
1895 | Semionotus Woodward p. 55 |
1902 | Semionotus Hay p. 375 |
1924 | Semionotus Haughton |
1928 | Semionotus metcalfi Swinnerton |
1950 | Semionotus Schaeffer and Dunkle p. 4 |
1967 | Semionotus Schaeffer |
1972 | Semionotus Beltan p. 312 |
1986 | Semionotus McCune p. 218 |
2002 | Semionotus Sepkoski |
2012 | Semionotus López-Arbarello |
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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.
G. †Semionotus Agassiz 1832
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†Palaeoniscus agassizii Redfield 1841
†Semionotus australis Woodward 1890
†Semionotus beardmori Smith 1900
†Semionotus bergeri Agassiz 1833
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Invalid names: Palaeoniscum arenaceum Berger 1832 [synonym], Semionotus elongatus Fraas 1861 [objective synonym], Semionotus esox Berger 1843 [synonym], Semionotus spixi Agassiz 1833 [synonym]
†Semionotus braunii Newberry 1888
†Semionotus capensis Woodward 1888
†Semionotus elegans Newberry 1888
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Invalid names: Semionotus lenticularis Newberry 1888 [synonym], Semionotus modestus Newberry 1888 [synonym]
†Semionotus formosus Woodward 1908
†Semionotus gigas Newberry 1888
†Semionotus howelli Bock 1959
†Semionotus kapffi Fraas 1861
†Semionotus micropterus Newberry 1888
†Semionotus minutus Newberry 1888
†Semionotus normanniae Larsonneur 1964
†Semionotus ovatus Redfield 1841
†Semionotus parvus Redfield 1888
†Semionotus robustus Newberry 1888
†Semionotus tenuis Woodward 1890
Invalid names: Ischypterus Egerton 1847 [synonym], Semionotus gibbus Seebach 1866 [nomen nudum], Semionotus leptocephalus Agassiz 1833 [nomen dubium], Semionotus metcalfi Swinnerton 1928 [nomen dubium], Semionotus nilssoni Agassiz 1837 [nomen dubium], Semionotus trotti Bellotti 1857 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Carroll 1988, Hendy et al. 2009 |
Age range: base of the Spathian to the top of the Valanginian or 251.30000 to 132.90000 Ma
Collections (51 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Smithian | Svalbard and Jan Mayen | S. sp. (153410) | |
Spathian - Bithynian | Australia (New South Wales) | S. australis, S. tenuis (131926) | |
Pelsonian - Illyrian | Australia (New South Wales) | S. sp. (111729) | |
Ladinian | Spain | S. kapffi, S. ovatus, S. agassizi (149852) | |
Longobardian | Spain (Tarragona) | S. kapffi, S. ovatus, S. agassizi (109710) | |
Carnian - Norian | USA (Texas) | S. sp. (84270) | |
Carnian - Norian | USA (North Carolina) | S. sp. (89149) | |
Tuvalian | United Kingdom (England) | S. sp. (197334) | |
Norian | USA (Pennsylvania) | S. ovatus, S. howelli (99375) | |
Norian | Malaysia (Pahang) | S. sp. (204428) | |
Norian | USA (New Mexico) | S. sp. (93643 93682) | |
Norian | USA (North Carolina) | S. sp. (55493) | |
Norian | USA (Arizona) | Semionotidae indet. (48423) S. sp. (84017) | |
Norian | Germany (Baden-Württemberg) | S. sp. (138865 138867) | |
Norian | USA (Virginia) | S. sp. (107271 224089) | |
Norian | USA (New Jersey) | S. sp. (91743 187289 187317 187318 187319 190915) | |
Norian - Rhaetian | USA (Utah) | S. sp. (135710 135711) | |
Norian - Rhaetian | USA (Colorado) | S. sp. (135699 135712) | |
Rhaetian | France | S. sp. (39359) | |
Rhaetian | USA (Arizona) | S. sp. (84009) | |
Rhaetian | USA (Utah) | S. sp. (218214) | |
Rhaetian - Hettangian | France (Basse-Normandie) | S. normanniae (49654) | |
Hettangian | USA (New Jersey) | Palaeoniscus fultus, Palaeoniscus agassizii (182625) S. sp. (153635 187198) | |
Hettangian | USA (Utah) | S. sp. (157016 194863) | |
Hettangian | USA (Connecticut) | S. agassizi (51264) S. sp. (47198 224079 224081 224082 224091) | |
Hettangian | USA (Virginia) | S. sp. (107637) | |
Early/Lower Hettangian | Canada (Nova Scotia) | S. sp. (74210) | |
Hettangian - Sinemurian | USA (Massachusetts) | S. sp. (153642) | |
Hettangian - Sinemurian | USA (Connecticut) | S. sp. (224080) | |
Sinemurian | USA (New Jersey) | S. ovatus, S. alatus, Ischypterus macropterus, S. gigas, S. lenticularis, S. micropterus, S. modestus, S. robustus, S. marshi (187288) | |
Pliensbachian | South Africa (Free State) | S. capensis (220880) | |
Valanginian | USA (Utah) | S. sp. (27017) |