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Pseudogrammoceras latescens
Taxonomy
Ammonites latescens was named by Simpson (1843). It is not extant.
It was recombined as Podagrosites latescens by Geux (1975); it was recombined as Pseudogrammoceras latescens by Gabilly (1976).
It was recombined as Podagrosites latescens by Geux (1975); it was recombined as Pseudogrammoceras latescens by Gabilly (1976).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Ammonites latescens Simpson p. 55 |
| 1885 | Hildoceras quadratum Haug p. 638 |
| 1887 | Ammonites bodei Denckmann p. 70 figs. Pl 4, fig 6; pl 6, figs 2,2a; pl 10, fig 13 |
| 1975 | Podagrosites latescens Geux |
| 1976 | Pseudogrammoceras latescens Gabilly p. 132 figs. Pl 22, figs 2,3; pl 23, figs 1,2,9,10; text-fig 88,105 |
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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.
†Pseudogrammoceras latescens Simpson 1843
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Invalid names: Ammonites bodei Denckmann 1887 [synonym], Hildoceras quadratum Haug 1885 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 1 | 14.4 | - | - | - | - | |
| diameter | 1 | 39.8 | - | - | - | - | |
| inflation | 1 | 12.0 | - | - | - | - | |
| shell height | 8 | 24.8 | 12.5 | 51.5 | 24.9 | 13.3 | |
| shell diameter | 8 | 74.3 | 37.0 | 159.5 | 75.8 | 42.1 | |
| shell inflation | 8 | 32.7 | 15.0 | 78.0 | 32.5 | 21.2 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Thouarsense to the top of the Hillebrandti or 180.10000 to 175.60000 Ma
Collections (39 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Toarcian | France | Podagrosites latescens (210796 210798 210799 210820 210861 210864 210878) | |
| Middle Toarcian - Late/Upper Toarcian | Canada (British Columbia) | Podagrosites latescens (53091 57796) | |
| Variabilis | Spain | Podagrosites latescens (126522) | |
| Hillebrandti | Canada (British Columbia) | Podagrosites latescens (200304) | |
| Late/Upper Toarcian | Canada (British Columbia) | Podagrosites latescens (56405 56407 56412 56414 56418 57792 57793 57795 57797) | |
| Late/Upper Toarcian | Spain | Podagrosites latescens (126527) | |
| Late/Upper Toarcian | Canada (Yukon) | Podagrosites latescens (208217) | |
| Thouarsense | France (Deux-Sèvres) | Pseudogrammoceras latescens (148987 148996 148997 148998 148999) | |
| Thouarsense | Iran | Podagrosites latescens (196960) | |
| Thouarsense | Canada (Yukon) | Podagrosites latescens (114658) | |
| Thouarsense | Spain | Podagrosites latescens (126523 146977 146979 146983 146984 147086 147089) | |
| Thouarsense | Bulgaria | Podagrosites latescens (151008) | |
| Thouarsense | France (Deux-Sevrès) | Podagrosites latescens (140870 147167) |