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Gregariella
Taxonomy
Gregariella was named by Monterosato (1883) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 1248]. It is extant.
It was assigned to Mytiloida by Sepkoski (2002); to Mytilidae by Glenn (1904), Hertlein and Grant (1972), Vokes (1980), Lamprell and Healy (1998), Todd (2001) and Mikkelsen (2006); and to Crenellinae by Moore (1983) and Griffin et al. (2008).
It was assigned to Mytiloida by Sepkoski (2002); to Mytilidae by Glenn (1904), Hertlein and Grant (1972), Vokes (1980), Lamprell and Healy (1998), Todd (2001) and Mikkelsen (2006); and to Crenellinae by Moore (1983) and Griffin et al. (2008).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Gregariella Monterosato |
| 1904 | Gregariella Glenn p. 365 |
| 1972 | Gregariella Hertlein and Grant p. 168 |
| 1980 | Gregariella Vokes p. 24 |
| 1983 | Gregariella Moore p. A72 |
| 1998 | Gregariella Lamprell and Healy p. 88 |
| 2001 | Gregariella Todd |
| 2002 | Gregariella Sepkoski |
| 2006 | Gregariella Mikkelsen |
| 2008 | Gregariella Griffin et al. p. 144 |
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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. Gregariella Monterosato 1883
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†Gregariella amara Griffin et al. 2008
Gregariella chenui Récluz 1842
Gregariella coarctata Carpenter 1857
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Maastrichtian to the top of the Late/Upper Pleistocene or 72.10000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Argentina (Rio Negro) | G. amara (106099 106100) | |
| Maastrichtian | Denmark | G. sp. (35039) | |
| Maastrichtian | Argentina (La Pampa) | G. amara (106089 106091) | |
| Maastrichtian | Argentina (Mendoza) | G. amara (106082 106083) | |
| Danian | USA (Texas) | G. frosti, G. sp. (205466) | |
| Danian | Argentina (La Pampa) | G. amara (106092 106095) | |
| Danian | Argentina (Mendoza) | G. amara (106084) | |
| Danian | Argentina (Rio Negro) | G. amara (106098) | |
| Danian | Denmark | G. sp. (35040) | |
| Ypresian | USA (Texas) | G. ridgei (7789 83950 178054) | |
| Lutetian | USA (Texas) | G. ridgei (205520) | |
| Bartonian | USA (Texas) | G. sp. (205480) | |
| Middle Miocene | Poland | G. coralliophaga (51690 70539) G. fuschi (51691) | |
| Messinian | Algeria | G. neuvillei (70785) | |
| Zanclean | Belgium | G. semigranulata (86801 86802) | |
| Late/Upper Pliocene | Venezuela | G. sp. (131210) | |
| Middle Pleistocene | USA (Florida) | G. coralliophaga (67069) | |
| Late/Upper Pleistocene | USA (California) | G. chenuis (223072) | |
| Late/Upper Pleistocene | Cayman Islands | G. coralliophaga (80837) |