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Frechiella
Taxonomy
Frechiella is a genus. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); and to Bouleiceratinae by Howarth (2013).
It was assigned to Ammonoidea by Sepkoski (2002); and to Bouleiceratinae by Howarth (2013).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
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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. †Frechiella
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†Frechiella achillei Renz 1912
†Frechiella helenae Renz 1925
†Frechiella kammerkarensis Stolley 1903
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Invalid names: Frechiella liviae Renz 1925 [synonym], Frechiella pannonica Prinz 1906 [synonym], Frechiella stolleyi Renz 1925 [synonym]
†Frechiella kammerkarensis buranensis Renz 1933
†Frechiella octaviae Renz 1925
†Frechiella subcarinata Young and Bird 1822
Invalid names: Achilleia Renz 1913 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 5 | 24.0 | 21.0 | 29.0 | 24.0 | 3.11 | |
| diameter | 5 | 51.5 | 44.0 | 60.0 | 51.0 | 5.85 | |
| inflation | 5 | 10.8 | 8.00 | 13.0 | 12.0 | 2.00 | |
| shell height | 12 | 22.3 | 15.5 | 38.0 | 22.0 | 6.21 | |
| shell diameter | 12 | 43.6 | 25.0 | 88.5 | 43.2 | 15.8 | |
| shell inflation | 12 | 8.15 | 3.50 | 24.6 | 9.00 | 5.61 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Toarcian to the top of the Late/Upper Toarcian or 182.70000 to 175.60000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Toarcian | Spain (Granda) | F. sp (201090) | |
| Toarcian | Argentina (Mendoza) | F. helvetica (33794) | |
| Bifrons | Spain | F. kammerkarensis (126477) | |
| Bifrons | Italy | F. n. sp., F. subcarinata (147034) F. sp. (147033 147035 147039) F. subcarinata (147031) | |
| Bifrons | France (Vendée) | F. sp. (140783) F. subcarinata (140787) | |
| Bifrons | France (Deux-Sevrès) | F. kammerkarensis, F. subcarinata, F. venantii (140866 147157) F. subcarinata (140865 147156) | |
| Bifrons | United Kingdom (Yorkshire) | F. subcarinata (147871) | |
| Bifrons | Hungary | F. kammerkarensis (108087 108201 108202 108462 108465 147251) F. kammerkarensis, F. achillei (108088) F. kammerkarensis, F. subcarinata, F. venantii (108051) F. kammerkarensis, F. venantii (108461) F. sp., F. kammerkarensis (108052) | |
| Middle Toarcian | Spain (Murcia) | F. sp (201456 201458) | |
| Variabilis | Hungary | F. kammerkarensis (108470 108471) | |
| Variabilis | France (Deux-Sèvres) | F. sp. (149322) | |
| Late/Upper Toarcian | Hungary | F. subcarinata (108638 108641) |