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Ataxioceras
Taxonomy
Ataxioceras was named by Fontannes (1879) [Sepkoski's age data: J Kimm-l J Kimm-u]. It is the type genus of Ataxioceratinae.
It was assigned to Ammonoidea by Sepkoski (2002); and to Ataxioceratinae by Moliner et al. (2016).
It was assigned to Ammonoidea by Sepkoski (2002); and to Ataxioceratinae by Moliner et al. (2016).
Species
Species lacking formal opinion data
A. cardoti, A. discoidale, A. effrenatum, A. elmii, A. evolutum, A. fontannesi, A. guilherandense, A. hippolytense, A. hypselocyclum hypselocyclum, A. hypselocyclum hypselocyclum, A. hypselocyclum semistriatum, A. hypselocyclum, A. lautum, A. lothari huguenini, A. lothari lothari, A. oppeli oppeli, A. oppeli oppeli, A. oppeli parvum, A. oppeli, A. planulatum, A. praehomalinum, A. pseudoeffrenatum, A. striatellum
Entered
by J. Sepkoski on 2003-01-23; modified by P. Novack-Gottshall on 2026-06-12
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Ataxioceras Fontannes |
| 2002 | Ataxioceras Sepkoski |
| 2016 | Ataxioceras Moliner et al. |
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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. †Ataxioceras Fontannes 1879
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Subg. †Ataxioceras (Ataxioceras) Fontannes 1879
Subg. †Ataxioceras (Parataxioceras) Atrops 1982
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†Ataxioceras (Parataxioceras) lothari Oppel 1863
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Oxfordian to the top of the Early/Lower Kimmeridgian or 157.90000 to 152.21000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Jurassic | France | A. striatellum (12301) | |
| Late/Upper Oxfordian | Romania | A. sp. (35192) | |
| Early/Lower Kimmeridgian | India (Gujarat) | A. sp. (46495) | |
| Early/Lower Kimmeridgian | France | A. praehomalinum (12300) | |
| Early/Lower Kimmeridgian | Romania | A. sp. (35200) | |
| Kimmeridgian | France | A. cardoti, A. discoidale, A. hypselocyclum hypselocyclum, A. hypselocyclum semistriatum, A. hippolytense, A. lothari lothari, A. lothari huguenini, A. evolutum, A. oppeli oppeli, A. oppeli parvum (12363) A. discoidale, A. hypselocyclum hypselocyclum, A. hippolytense, A. evolutum, A. lothari lothari, A. lothari huguenini (12341) A. discoidale, A. hypselocyclum, A. evolutum, A. hippolytense, A. effrenatum, A. planulatum, A. oppeli, A. lothari (12342) A. hippolytense, A. evolutum, A. pseudoeffrenatum (12340) A. lautum (12328) A. oppeli oppeli, A. hypselocyclum hypselocyclum, A. hypselocyclum hypselocyclum, A. hippolytense, A. lothari lothari, A. lothari huguenini (12349) |