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Frechiella subcarinata
Taxonomy
Nautilus subcarinatus was named by Young and Bird (1822).
It was recombined as Ammonites subcarinatus by Phillips (1829), Oppel (1862); it was recombined as Phylloceras subcarinatum by Blake (1876); it was recombined as Poecilomorphus subcarinatus by Bonarelli (1893); it was recombined as Cymbites subcarinatus by Buckman (1894); it was recombined as Frechiella subcarinata by Spath (1934), Howarth (1992), Bécaud (2006), Goy and Martínez (2009), Kovács (2010).
It was recombined as Ammonites subcarinatus by Phillips (1829), Oppel (1862); it was recombined as Phylloceras subcarinatum by Blake (1876); it was recombined as Poecilomorphus subcarinatus by Bonarelli (1893); it was recombined as Cymbites subcarinatus by Buckman (1894); it was recombined as Frechiella subcarinata by Spath (1934), Howarth (1992), Bécaud (2006), Goy and Martínez (2009), Kovács (2010).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1822 | Nautilus subcarinatus Young and Bird p. 255 figs. Pl 12, fig 7 |
| 1829 | Ammonites subcarinatus Phillips |
| 1850 | Ammonites sabinus d'Orbigny pp. 247, No. 56 |
| 1862 | Ammonites subcarinatus Oppel p. 140 |
| 1876 | Phylloceras subcarinatum Blake |
| 1893 | Poecilomorphus subcarinatus Bonarelli |
| 1894 | Cymbites subcarinatus Buckman |
| 1934 | Frechiella subcarinata Spath |
| 1992 | Frechiella subcarinata Howarth p. 157 figs. Pl 29, figs 4-7; text-figs 39A,B |
| 2006 | Frechiella subcarinata Bécaud p. 96 figs. Pl 21, fig 3; pl 22, fig 2 |
| 2009 | Frechiella subcarinata Goy and Martínez p. 607 figs. 12.1-12.5, 13.1-13.3, 13.5 |
| 2010 | Frechiella subcarinata Kovács p. 122 figs. Pl 1, figs 1,2,9-11 |
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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.
†Frechiella subcarinata Young and Bird 1822
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Invalid names: Ammonites sabinus d'Orbigny 1850 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 28.2 | 21.0 | 38.0 | 29.5 | 12.0 | |
| shell diameter | 2 | 57.2 | 37.0 | 88.5 | 62.8 | 36.4 | |
| shell inflation | 2 | 12.1 | 6.00 | 24.6 | 15.3 | 13.2 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Toarcian or 180.40000 to 174.70000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bifrons | Italy | Frechiella subcarinata (147031 147034) | |
| Bifrons | Hungary | Frechiella subcarinata (108051) | |
| Bifrons | France (Vendée) | Frechiella subcarinata (140787) | |
| Bifrons | France (Deux-Sevrès) | Frechiella subcarinata (140865 140866 147156 147157) | |
| Bifrons | United Kingdom (Yorkshire) | Frechiella subcarinata (147871) | |
| Late/Upper Toarcian | Hungary | Frechiella subcarinata (108638 108641) |