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Taxonomy
Sphaera was named by Sowerby (1822) [Sepkoski's age data: K Vala K Albi Sepkoski's reference number: 789].
It was assigned to Fimbriidae by Cox et al. (1969) and Vokes (1980); to Veneroida by Sepkoski (2002); and to Fimbriinae by Mendir et al. (2021).
It was assigned to Fimbriidae by Cox et al. (1969) and Vokes (1980); to Veneroida by Sepkoski (2002); and to Fimbriinae by Mendir et al. (2021).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1822 | Sphaera Sowerby p. 41 |
| 1969 | Sphaera Cox et al. p. 514 |
| 1980 | Sphaera Vokes p. 107 |
| 2002 | Sphaera Sepkoski |
| 2021 | Sphaera Mendir et al. p. 15 |
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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. †Sphaera Sowerby 1822
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†Sphaera americanus Imlay 1940
†Sphaera corrugata Sowerby 1822
†Sphaera madagascariensis Newton 1889
†Sphaera whitneyi Meek 1877
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Anisian to the top of the Cenomanian or 247.20000 to 93.90000 Ma
Collections (49 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Svalbard and Jan Mayen (Barentsøya) | S. whitneyi (212892) | |
| Bithynian - Illyrian | USA (Nevada) | S. whitneyi (142623) | |
| Callovian | India | S. madagascariensis (67604) | |
| Callovian | Yemen (Wadi Hajar) | S. sp. (2567 2610) | |
| Callovian | Egypt | S. madagascariensis (171238) | |
| Early/Lower Callovian | Madagascar | S. sp. (101718) | |
| Early/Lower Callovian | India | S. madagascariensis (61793) | |
| Kimmeridgian | Tanzania | S. subcorrugata (35458 79022) | |
| Kimmeridgian - Early/Lower Tithonian | Tanzania | S. subcorrugata (35570) | |
| Late/Upper Kimmeridgian | Tanzania | S. subcorrugata (36287 36296) | |
| Berriasian | Ukraine | S. belbekensis (183168) | |
| Valanginian - Hauterivian | Tanzania | S. corrugata (79024 79263) | |
| Early/Lower Hauterivian | Italy | S. corrugata (12774) | |
| Hauterivian - Valanginian | Italy (Sardinia) | S. corrugata (2089) | |
| Hauterivian | Chile (Coquimbo) | S. corrugata (222008) | |
| Hauterivian | Mexico (Coahuila) | S. americanus (2145 2147) | |
| Barremian | Turkmenistan | S. sp. (170614) | |
| Barremian | Venezuela | S. corrugata (1858) | |
| Barremian - Aptian | Egypt | S. corrugata (171395) | |
| Aptian | Trinidad and Tobago | S. corrugata (1868) | |
| Aptian | United Kingdom (England) | S. corrugata (1744 1754 1775 1836 1856) | |
| Aptian | Mexico | S. corrugata (69900) | |
| Late/Upper Aptian | Serbia and Montenegro | S. corrugata (67546) | |
| Early/Lower Aptian | Mexico | S. sp. (64370) | |
| Albian | Madagascar (Mahajanga) | S. besairiei (86497) | |
| Albian | Madagascar | S. besairiei (98230 98244) | |
| Albian | Antarctica | S. sp. (83557) | |
| Middle Albian | Madagascar | S. besairiei (98232) | |
| Middle Albian | Madagascar (Mahajanga) | S. corrugata (86503) | |
| Late/Upper Albian | Spain | S. corrugata (66129) | |
| Cenomanian | Germany | S. corrugata (66734) | |
| Early/Lower Cenomanian | Algeria | S. corrugata (220822) | |
| Late/Upper Cenomanian | Algeria | S. corrugata (220827) | |
| Late/Upper Cenomanian | Egypt | S. corrugata (114793 114794 114795 114798 114810) | |
| Middle Cenomanian - Late/Upper Cenomanian | Egypt | S. corrugata (114792) |