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Gefonia
Taxonomy
Gefonia was named by Licharew (1936) [Sepkoski's age data: P Leon-m P u Sepkoski's reference number: 1,538].
It was assigned to Terebratulida by Sepkoski (2002); and to Notothyrididae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Notothyrididae by Williams et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Gefonia Licharew |
| 2002 | Gefonia Sepkoski |
| 2006 | Gefonia Williams et al. p. 2022 |
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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. †Gefonia Licharew 1936
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†Gefonia bifrons Reed 1944
†Gefonia carinata Jin and Ye 1979
†Gefonia cubanica Licharew 1936
†Gefonia emerita Reed 1931
†Gefonia improvisa Koczyrkevicz 1983
†Gefonia levis Licharew 1936
†Gefonia licharewi Smirnova 2007
†Gefonia plicata Licharew 1936
†Gefonia sinuata Zhang 1983
†Gefonia warthiformis Grabau 1934
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 27 | 7.97 | 3.60 | 15.7 | 8.50 | 3.00 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 252.17000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | China (Xinjiang) | G. sp., G. sinuata (105227 105228) | |
| Asselian | China | G. sp., G. sinuata (35512) | |
| Kungurian | Tajikistan | G. licharewi (42912) | |
| Roadian | Thailand (Trang) | G. sp. (40895) | |
| Wordian | China (Qinghai) | G. carinata (103579 103588) | |
| Capitanian | China (Zhejiang) | G. mimicusa, G. nola, G. warthiformis (95519) | |
| Wuchiapingian | Azerbaijan | G. improvisa (110701 110717) | |
| Wuchiapingian | China (Qinghai) | G. carinata (103244) | |
| Wuchiapingian | Armenia | G. improvisa (110749) | |
| Wuchiapingian | Pakistan | G. bifrons (126281 126293 126343) | |
| Changhsingian | Tajikistan | G. licharewi (109465) | |
| Changhsingian | Russian Federation | G. cubanica (60621 112567) G. levis (112566 112568) G. plicata (112569 118080) | |
| Changhsingian | Iran | G. sp. (125630) |