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Cytherella
Taxonomy
Cytherella was named by Jones (1849) [Sepkoski's age data: Tr Anis R Sepkoski's reference number: 1066]. It is extant.
It was reranked as Cythere (Cytherella) by Jones (1850).
It was assigned to Cythere by Jones (1850); to Cytherellinae by Hazel and Holden (1971); to Platycopida by Sepkoski (2002); and to Cytherellidae by Alexander (1934), Marianos and Valentine (1958), Bertels (1968), Bertels (1973), Bertels (1974), Bertels (1975), Carreño and Cronin (1993), Harloff and Jäger (1994), Crasquin-Soleau and Teherani (1995), Bergue and Govindan (2010), Babinot and Colin (2011), Ceolin et al. (2015), Ceolin et al. (2024).
It was reranked as Cythere (Cytherella) by Jones (1850).
It was assigned to Cythere by Jones (1850); to Cytherellinae by Hazel and Holden (1971); to Platycopida by Sepkoski (2002); and to Cytherellidae by Alexander (1934), Marianos and Valentine (1958), Bertels (1968), Bertels (1973), Bertels (1974), Bertels (1975), Carreño and Cronin (1993), Harloff and Jäger (1994), Crasquin-Soleau and Teherani (1995), Bergue and Govindan (2010), Babinot and Colin (2011), Ceolin et al. (2015), Ceolin et al. (2024).
Species
C. (Staringia), C. araucana, C. australoamericana, C. besrineensis, C. bispinulatus, C. bullata, C. concentrica, C. excavata, C. gambiensis, C. hannai, C. hiwanneensis, C. marlboroensis, C. nuciformis, C. ovata, C. persensis, C. protuberantis, C. saraballentae, C. sarakundaensis, C. semicatillus, C. submarginata, C. sylverinica, C. terminopunctata, C. toarcensis, C. tuberculifera, C. tumidosa, C. turgidula, C. utilis, C. vulgata, C. williamsonia
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1849 | Cytherella Jones |
| 1850 | Cythere (Cytherella) Jones p. 63 |
| 1934 | Cytherella Alexander p. 209 |
| 1958 | Cytherella Marianos and Valentine p. 365 |
| 1968 | Cytherella Bertels pp. 288-290 |
| 1971 | Cytherella Hazel and Holden p. 9 |
| 1973 | Cytherella Bertels |
| 1974 | Cytherella Bertels |
| 1975 | Cytherella Bertels p. 101 |
| 1993 | Cytherella Carreño and Cronin p. 142 |
| 1994 | Cytherella Harloff and Jäger p. 42 |
| 1995 | Cytherella Crasquin-Soleau and Teherani p. 30 |
| 2002 | Cytherella Sepkoski |
| 2010 | Cytherella Bergue and Govindan |
| 2011 | Cytherella Babinot and Colin p. 739 |
| 2015 | Cytherella Ceolin et al. |
| 2024 | Cytherella Ceolin et al. p. 18 |
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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. Cytherella Jones 1849
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Subg. †Cytherella (Staringia)
†Cytherella araucana Bertels 1974
†Cytherella australoamericana Bertels 1968
†Cytherella besrineensis Antonietto et al. 2016
†Cytherella bispinulatus Stewart 1927
†Cytherella bullata Alexander 1932
†Cytherella concentrica Field 1966
†Cytherella excavata Alexander 1934
†Cytherella gambiensis Apostolescu 1963
†Cytherella hannai Howe and Law 1936
†Cytherella hiwanneensis Howe and Law 1936
†Cytherella marlboroensis Ulrich 1901
†Cytherella nuciformis Jones 1850
†Cytherella ovata Roemer 1841
†Cytherella persensis Crasquin-Soleau and Teherani 1995
†Cytherella protuberantis Lubimova and Guha 1960
†Cytherella saraballentae Ceolin et al. 2015
†Cytherella sarakundaensis Apostolescu 1963
†Cytherella semicatillus Ceolin et al. 2015
†Cytherella submarginata Ulrich 1901
†Cytherella sylverinica Howe and Law 1936
†Cytherella terminopunctata Holden 1964
†Cytherella toarcensis Bizon 1960
†Cytherella tuberculifera Alexander 1929
†Cytherella tumidosa Alexander 1934
†Cytherella turgidula Alexander 1934
†Cytherella utilis Bertels 1968
Cytherella vulgata Ruggieri 1962
†Cytherella williamsonia Jones 1849
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 4 | 0.417 | 0.300 | 0.500 | 0.450 | 0.090 | |
| shell height | 2 | 0.355 | 0.350 | 0.360 | 0.355 | 0.007 | |
| valve height | 1 | 0.400 | - | - | - | - |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Rocklandian to the top of the Calabrian or 457.30000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 449.6 Ma
Minimum age of oldest fossil (stem group age): 449.6 Ma
Collections (425 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rocklandian | USA (Minnesota) | C. sp. (219965) | |
| Middle Devonian | USA (Alaska) | C. sp. (111901) | |
| Meramecian | USA (Kentucky) | C. sp. (2711) | |
| Wuchiapingian | United Kingdom (England) | Cythere nuciformis (87337) | |
| Induan | China (Sichuan) | C. sp. (45895) | |
| Julian | Türkiye | C. sp. (197740) | |
| Julian | Iran | C. persensis (156787) | |
| Sevatian | Canada (Yukon) | C. sp. 1 (225004 225008) C. sp. 1, C. sp. 2 (225005 225006) C. sp. 2 (225007 225014) | |
| Rhaetian | Austria | C. acuta (132253 132254 132255 132256 132257 132258 132259 132260 132261 132262 132263 132264) | |
| Rhaetian | Iran | C. levisulcata, C. acuta (41330) | |
| Angulata | United Kingdom (East Yorkshire) | C. concentrica (159116) | |
| Angulata | Germany | C. sp. (139805 139807) | |
| Planorbis | Germany | C. sp. (139803 139804) | |
| Hettangian - Sinemurian | Poland | C. flacherensis, C. inaequata (33325) | |
| Hettangian - Sinemurian | United Kingdom (Wales) | C. concentrica (33491) | |
| Bucklandi | United Kingdom (North Yorkshire) | C. concentrica (159100 159102 159104 159105) | |
| Davoei | Germany | C. sp. (139822) | |
| Early/Lower Pliensbachian | Germany | C. sp. (139820 139821) | |
| Jamesoni | Türkiye | C. sp. 1 (158464) | |
| Spinatum | Spain (Aragon) | C. toarcensis (146831 146833 146835 146838 146839) | |