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Protogrammoceras (Fieldingiceras) fieldingii
Taxonomy
Ammonites fieldingii was named by Reynes (1868).
It was recombined as Fieldingiceras fieldingi by Meister (1986) and Smith and Tipper (1996); it was recombined as Protogrammoceras (Fieldingiceras) fieldingii by Meister (1989) and Géczy and Meister (1998).
It was recombined as Fieldingiceras fieldingi by Meister (1986) and Smith and Tipper (1996); it was recombined as Protogrammoceras (Fieldingiceras) fieldingii by Meister (1989) and Géczy and Meister (1998).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1868 | Ammonites fieldingii Reynes |
1868 | Ammonites affricense Reynes p. 96 figs. Pl 3, figs 2a-c |
1934 | Grammoceras subnaxense Monestier p. 39 figs. Pl 3, figs 49,51 |
1934 | Grammoceras penenudum Monestier p. 41 figs. Pl 4, figs 9-16,28,29 |
1986 | Fieldingiceras fieldingi Meister p. 104 figs. Pl 22, fig 4 |
1986 | Fieldingiceras affricense Meister p. 105 figs. Pl 22, figs 3,5 |
1989 | Protogrammoceras (Fieldingiceras) fieldingii Meister p. 40 figs. Pl 4, figs 2,3,5 |
1996 | Fieldingiceras fieldingi Smith and Tipper p. 60 figs. Pl 20, fig 14; Pl 21, fig 3; Txt-fig 37c |
1998 | Protogrammoceras (Fieldingiceras) fieldingii Géczy and Meister p. 110 figs. Pl 6, figs 15-17 |
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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.
†Protogrammoceras (Fieldingiceras) fieldingii Reynes 1868
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Invalid names: Ammonites affricense Reynes 1868 [synonym], Grammoceras penenudum Monestier 1934 [synonym], Grammoceras subnaxense Monestier 1934 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell diameter | 2 | 19.0 | 16.5 | 21.8 | 19.1 | 3.75 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Carlottense or 184.10000 to 183.00000 Ma
Collections (22 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Pliensbachian | Canada (British Columbia) | Fieldingiceras fieldingii (33284) | |
Davoei - Margaritatus | France | Fieldingiceras affricense (148091) | |
Late/Upper Pliensbachian | Canada (British Columbia) | Fieldingiceras fieldingii (200038) | |
Margaritatus | Hungary | Protogrammoceras fieldingii (109109 109110 109506 109519) | |
Margaritatus | Italy | Fuciniceras fieldingii (196614 196617 196620 196621 196622 196627 196648) | |
Margaritatus | France | Fieldingiceras affricense (148102) Fieldingiceras fieldingii (147768) Fieldingiceras fieldingii, Fieldingiceras affricense (148033 148048 148049 148050) | |
Margaritatus | Spain (Aragon) | Protogrammoceras fieldingi (98414) | |
Carlottense | Canada (British Columbia) | Fieldingiceras fieldingii (200278) |