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Frenguelliella
Taxonomy
Frenguelliella was named by Leanza (1942) [Sepkoski's age data: J Hett K Maes Sepkoski's reference number: 93,991]. It is not extant.
It was reranked as Trigonia (Frenguelliella) by Cox (1952).
It was assigned to Trigonia by Cox (1952); to Myophorellinae by Poulton (1979); to Trigonioida by Sepkoski (2002); to Frenguelliellinae by Pérez et al. (2008), Bouchet et al. (2010); and to Trigoniidae by Hayami (1975), Scholz et al. (2008), Ros-Franch et al. (2014).
It was reranked as Trigonia (Frenguelliella) by Cox (1952).
It was assigned to Trigonia by Cox (1952); to Myophorellinae by Poulton (1979); to Trigonioida by Sepkoski (2002); to Frenguelliellinae by Pérez et al. (2008), Bouchet et al. (2010); and to Trigoniidae by Hayami (1975), Scholz et al. (2008), Ros-Franch et al. (2014).
Species
F. inexspectata, F. perezreyesi, F. poultoni, F. tapiai, Trigonia (Frenguelliella) belgrandi, Trigonia (Frenguelliella) chubutensis, Trigonia (Frenguelliella) clavulosa, Trigonia (Frenguelliella) concinna, Trigonia (Frenguelliella) indica, Trigonia (Frenguelliella) minuta, Trigonia (Frenguelliella) monthiersi, Trigonia (Frenguelliella) orientalis, Trigonia (Frenguelliella) parvula, Trigonia (Frenguelliella) sauvagei, Trigonia (Frenguelliella) tealei, Trigonia (Frenguelliella) truncata
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Frenguelliella Leanza pp. 145-206 |
| 1952 | Trigonia (Frenguelliella) Cox |
| 1975 | Frenguelliella Hayami |
| 1979 | Frenguelliella Poulton |
| 2002 | Frenguelliella Sepkoski |
| 2008 | Frenguelliella Pérez et al. p. 70 |
| 2008 | Frenguelliella Scholz et al. |
| 2010 | Frenguelliella Bouchet et al. |
| 2014 | Frenguelliella Ros-Franch et al. |
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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. †Frenguelliella Leanza 1942
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†Frenguelliella inexspectata Jaworski 1916
†Frenguelliella perezreyesi Leanza 1993
†Frenguelliella poultoni Leanza 1993
†Frenguelliella tapiai Lambert 1944
†Trigonia (Frenguelliella) belgrandi Munier-Chalmas 1887
†Trigonia (Frenguelliella) chubutensis Feruglio 1936
†Trigonia (Frenguelliella) clavulosa Rigaux and Sauvage 1900
†Trigonia (Frenguelliella) concinna Roemer 1900
†Trigonia (Frenguelliella) indica Stoliczka 1870
†Trigonia (Frenguelliella) minuta Stoliczka 1870
†Trigonia (Frenguelliella) monthiersi Munier-Chalmas 1880
†Trigonia (Frenguelliella) orientalis Forbes 1846
†Trigonia (Frenguelliella) parvula Agassiz 1840
†Trigonia (Frenguelliella) sauvagei de Loriol 1875
†Trigonia (Frenguelliella) tealei Cox 1937
†Trigonia (Frenguelliella) truncata Agassiz 1840
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. P. Poulton 1979 | Flank with concentric costae that meet the anterior margin at high angles and that may be somewhat irregular. Area with concentric costellae or growth lines. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 22.0 | - | - | - | - | |
| valve height | 7 | 17.8 | 9.00 | 35.0 | 22.0 | 10.5 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Lacian to the top of the Maastrichtian or 227.30000 to 66.00000 Ma
Collections (66 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lacian | USA (Oregon) | F. sp. (33294) | |
| Norian | USA (Nevada) | F. sp. (210691 210693) | |
| Norian - Rhaetian | USA (Nevada) | F. sp. (210694 210696 210697 210698 210699) | |
| Early/Lower Jurassic | Chile (Huasco) | F. sp. (223286) | |
| Early/Lower Jurassic | Mexico (Sonora) | Trigonia inexspectata (39132) | |
| Early/Lower Jurassic | Canada (British Columbia) | F. sp. A (139745) | |
| Early/Lower Sinemurian | Mexico (Sonora) | F. poultoni (115211) | |
| Early/Lower Sinemurian | Canada (Yukon Territory) | F. sp. B (139241) | |
| Late/Upper Sinemurian | Canada (British Columbia) | F. sp. (21252 53759) | |
| Late/Upper Sinemurian | Chile | F. poultoni (95097) | |
| Late/Upper Sinemurian | Mexico (Sonora) | F. poultoni (115213) | |
| Late/Upper Sinemurian | Argentina (Mendoza) | F. poultoni (201507 201508 201509) | |
| Sinemurian | Canada (British Columbia) | F. sp. (53204 53367 53390) | |
| Sinemurian | Chile (Coquimbo) | F. tapiai (221523) | |
| Sinemurian | USA (Nevada) | F. sp. C, F. sp. D (139744) | |
| Sinemurian | Chile | F. poultoni (95096) | |
| Sinemurian | Canada (Yukon) | F. sp. (53114 53115 53131 53164) | |
| Early/Lower Pliensbachian | Mexico (Sonora) | F. poultoni (115215 115216 115217) | |
| Early/Lower Pliensbachian | Chile | Trigonia inexspectata (35452) | |
| Early/Lower Pliensbachian - Late/Upper Pliensbachian | Argentina (Neuquen) | F. inexspectata (10701) | |
| Late/Upper Pliensbachian | Chile | Trigonia inexspectata (33882 33886) | |
| Margaritatus | Chile | F. inexspectata (95068) F. tapiai (95086) | |
| Pliensbachian | Argentina (Mendoza) | F. sp. (33720 33730) F. tapiai (33753) | |
| Pliensbachian | Argentina (Zapata) | F. sp. (33903) | |
| Pliensbachian | Argentina (San Juan) | F. sp. (33699) | |
| Pliensbachian | Argentina (Neuquen) | F. sp. (33821 33862 33868 33899 33906) F. tapiai (33841 33842) | |
| Late/Upper Pliensbachian - Early/Lower Toarcian | Argentina (Chubut) | F. sp., F. inexspectata (204711) | |
| Pliensbachian - Toarcian | Argentina (Neuquen) | F. sp. (33850 33855) | |
| Pliensbachian - Toarcian | Argentina (Mendoza) | F. tapiai (33746) | |
| Toarcian | Argentina (San Juan) | F. sp. (33706 33708) | |
| Toarcian | Argentina (Mendoza) | F. sp. (33802) | |
| Middle Toarcian | Chile | F. sp. (34120) | |
| Callovian | India | F. tealei (67547 67558) | |
| Early/Lower Callovian | India | F. kheraensis (63059 63068) | |
| Oxfordian | Madagascar | Trigonia teali (98192) | |
| Early/Lower Tithonian | Tanzania | F. sp. (35506) | |
| Maastrichtian | India | F. indica, F. minuta (1351) |