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Aconeceras (Gyaloceras)
Taxonomy
Gyaloceras was named by Whitehouse (1927) [Sepkoski's age data: K Apti-u K Albi-u].
It was reranked as Aconeceras (Gyaloceras) by Wright et al. (1996).
It was assigned to Aconeceratidae by Whitehouse (1927); to Aconeceratinae by Arkell et al. (1957); to Aconeceras by Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).
It was reranked as Aconeceras (Gyaloceras) by Wright et al. (1996).
It was assigned to Aconeceratidae by Whitehouse (1927); to Aconeceratinae by Arkell et al. (1957); to Aconeceras by Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Gyaloceras Whitehouse p. 114 |
| 1957 | Gyaloceras Arkell et al. p. 286 |
| 1996 | Aconeceras (Gyaloceras) Wright et al. |
| 2002 | Gyaloceras Sepkoski |
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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.
Subg. †Aconeceras (Gyaloceras) Whitehouse 1927
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†Aconeceras (Gyaloceras) smithi Whitehouse 1927
†Gyaloceras ibo Reyment 1955
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 Aptian to the top of the Late/Upper Albian or 121.40000 to 100.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Australia (Queensland) | Gyaloceras smithi (83901) | |
| Late/Upper Albian | Nigeria | Gyaloceras ibo (82731 82767) |