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Aulacostephanus
Taxonomy
Aulacostephanus is a genus. It is not extant. It is the type genus of Aulacostephaninae.
It was assigned to Aulacostephaninae by Mesezhnikov (1984); to Ammonoidea by Sepkoski (2002); and to Aulacostephanidae by Grigore and Marcu (2009).
It was assigned to Aulacostephaninae by Mesezhnikov (1984); to Ammonoidea by Sepkoski (2002); and to Aulacostephanidae by Grigore and Marcu (2009).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1897 | Odontoceras Steuer |
1899 | Steueroceras Cossmann p. 45 |
1960 | Odontoceras Haas p. 25 |
1960 | Tobolia Sasonov |
1984 | Aulacostephanus Mesezhnikov p. 120 |
2002 | Aulacostephanus Sepkoski |
2005 | Steueroceras Arkadiev and Bogdanova |
2009 | Aulacostephanus Grigore and Marcu p. 351 |
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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. †Aulacostephanus
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Subg. †Aulacostephanus (Aulacostephanoceras) Ziegler 1962
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†Aulacostephanus (Aulacostephanoceras) autissiodorensis Cotteau 1868
†Aulacostephanus (Aulacostephanoceras) kirghisensis d'Orbigny 1845
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Invalid names: Hoplites syrti Pavlov 1886 [synonym]
†Aulacostephanus (Aulacostephanoceras) lopsiensis Mesezhnikov 1984
†Aulacostephanus (Aulacostephanoceras) pseudolinealis Mesezhnikov 1969
†Aulacostephanus (Aulacostephanoceras) undorae Pavlov 1886
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Invalid names: Aulacostephanus plataulax Buckman 1925 [synonym], Hoplites subundorae Pavlov 1886 [synonym]
†Aulacostephanus (Aulacostephanoceras) volgensis Vischniakoff 1875
Subg. †Aulacostephanus (Aulacostephanoides) Schindewolf 1925
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†Aulacostephanus (Aulacostephanoides) sosvaensis Sasonov 1960
Subg. †Aulacostephanus (Aulacostephanus) Sutner and Pompeckj 1896
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†Aulacostephanus (Aulacostephanus) pinguis Ziegler 1962
†Aulacostephanus (Aulacostephanus) sagittatus Ziegler 1962
†Aulacostephanus (Aulacostephanus) yo d'Orbigny 1845
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†Aulacostephanus (Pararasenia) pischmae Khudyaev 1932
†Aulacostephanus (Pararasenia) quenstedti Durand 1933
†Aulacostephanus (Pararasenia) semieudoxus Schneid 1939
†Aulacostephanus (Pararasenia) subhibridus Mesezhnikov 1984
†Aulacostephanus (Pararasenia) tobolicus Khudyaev 1929
†Aulacostephanus eudoxus d'Orbigny 1850
Invalid names: Odontoceras Steuer 1897 [synonym], Tobolia Sasonov 1960 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 34 | 41.7 | 11.0 | 135.5 | 42.8 | 26.5 | |
shell diameter | 34 | 108.3 | 29.0 | 430.0 | 106.5 | 72.7 | |
shell inflation | 34 | 37.6 | 9.90 | 200.0 | 37.5 | 33.0 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: base of the Late/Upper Kimmeridgian to the top of the Late/Upper Berriasian or 155.70000 to 140.20000 Ma
Collections (45 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Jurassic | Argentina (Mendoza) | Steueroceras ellipsostomum, Steueroceras incertum (137145) Steueroceras rotumdatus, Steueroceras koeneni (137144) | |
Late/Upper Jurassic | France | A. phorcus (198560) | |
Oxfordian - Early/Lower Berriasian | Russian Federation | A. lorioli (213005) | |
Kimmeridgian | Russian Federation | A. eudoxus (213012 213015) | |
Kimmeridgian - Early/Lower Kimmeridgian | Russian Federation | Aulacostephanoides sp. (191017 191018) | |
Kimmeridgian - Middle Tithonian | Russian Federation | A. eudoxus (213011) | |
Early/Lower Kimmeridgian | United Kingdom (England) | A. autissiodorensis (38656) | |
Early/Lower Kimmeridgian | Switzerland (Jura) | A. contejeani, A. eudoxus (185668) A. hybridus (185667) | |
Early/Lower Kimmeridgian | Russian Federation | Aulacostephanoides sp., Aulacostephanoides eulepidus, Aulacostephanoides desmonotus (190892) | |
Late/Upper Kimmeridgian | Russian Federation (Komi) | A. kirghisensis (164317) A. undorae (164321) A. undorae, A. autissiodorensis, A. pischmae (164320) A. volgensis (164004) | |
Late/Upper Kimmeridgian | Russian Federation | A. contejeani (58849) A. eudoxus (58848) A. subundorae (190661) A. undorae, A. volgensis, A. kirghisensis, A. autissiodorensis (58853 58854 58855) A. volgensis (190662) A. volgensis, A. kirghisensis (190536) A. yo (58850 58851) Pararasenia hibridus (58847) | |
Late/Upper Kimmeridgian | Russian Federation (Krasnoyarsk) | A. pseudolinealis (164322) | |
Late/Upper Kimmeridgian | Germany (Bavaria) | A. eudoxus (132944) | |
Late/Upper Kimmeridgian | Germany | A. eudoxus (34650) | |
Late/Upper Kimmeridgian | Romania | A. eudoxus (198397) | |
Late/Upper Kimmeridgian | Russian Federation (Khanty-Mansi Autonomous Okrug) | A. circumplicatus, A. sosvaensis, A. tobolicus, A. subhibridus (58777) A. eudoxus (164303) A. pinguis, A. sagittatus (58780) A. quenstedti (164311) A. sosvaensis, A. tobolicus, A. semieudoxus, A. quenstedti (58778) A. undorae (164314) A. undorae, A. volgensis (58783) A. yo, A. pinguis, A. sosvaensis, A. tobolicus, A. subhibridus, A. quenstedti (58779) A. yo, A. pinguis, A. undorae, A. volgensis, A. lopsiensis, A. subhibridus, A. quenstedti (58781) A. yo, A. pinguis, A. volgensis, A. lopsiensis, A. subhibridus, A. quenstedti (58782) | |
Tithonian | Argentina (Mendoza) | Steueroceras subfasciatum (137136) | |
Tithonian | Russian Federation | A. eudoxus (213013) | |
Late/Upper Berriasian | Chile (Coquimbo) | Odontoceras sp. (221555) |