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Brevilamnulella
Taxonomy
Brevilamnulella was named by Amsden (1974).
It was assigned to Pentamerinae by Temple (1987); to Virgianidae by Amsden (1974), Jin and Chatterton (1997); to Mariannaellinae by Williams et al. (2002); to Pentamerida by Sepkoski (2002); and to Mariannellinae by Rasmussen et al. (2010).
It was assigned to Pentamerinae by Temple (1987); to Virgianidae by Amsden (1974), Jin and Chatterton (1997); to Mariannaellinae by Williams et al. (2002); to Pentamerida by Sepkoski (2002); and to Mariannellinae by Rasmussen et al. (2010).
Entered
by J. Sepkoski on 2003-01-23; modified by M. Uhen on 2025-01-08
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Brevilamnulella Amsden |
| 1975 | Antigaleatella Sapelnikov and Rukavishnikova p. 74 |
| 1987 | Brevilamnulella Temple p. 104 |
| 1997 | Brevilamnulella Jin and Chatterton |
| 2002 | Brevilamnulella Sepkoski |
| 2002 | Brevilamnulella Williams et al. p. 968 |
| 2010 | Brevilamnulella Rasmussen 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. †Brevilamnulella Amsden 1974
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†Brevilamnulella kjerulfi Kiaer 1902
†Brevilamnulella laevis Sapelnikov and Rukavishnikova 1975
†Brevilamnulella thebesensis Savage 1913
†Brevilamnulella umbosulcata Rasmussen et al. 2010
Invalid names: Antigaleatella Sapelnikov and Rukavishnikova 1975 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. W. Amsden 1974 | This genus comprises virgianids with small, smooth shells having a ventral sulcus and a dorsal fold. The dorsal apparatus consists of noncarinate, narrow, flattened processes overlain by inner plates and supported on very short, discrete outer plates (text-fig. 37). The ventral interior has a small spondylium supported on a short septum. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | USA (Alaska) | B. minuta (223863) | |
| Rawtheyan | Norway (Oslo Asker) | B. kjerulfi (193291) | |
| Rawtheyan - Hirnantian | Norway (Oslo Asker) | B. kjerulfi (163356) | |
| Gamachian | USA (Illinois) | Clorinda thebesensis (173288 173289) | |
| Hirnantian | Sweden (Dalarna) | B. kjerulfi (162497) | |
| Hirnantian | Norway (Oslo-Asker District) | B. sp. (363) | |
| Hirnantian | USA (Missouri) | B. thebesensis (55456 55457) | |
| Hirnantian | Sweden | B. kjerulfi (162498) B. umbosulcata (162732) | |
| Hirnantian | USA (Oklahoma) | B. thebesensis (55460 151949 151950) | |
| Hirnantian | Canada (Northwest Territories) | B. laevis (26070 26071) | |
| Hirnantian | China (Guizhou) | B. sp. (151937) | |
| Hirnantian | Norway | B. kjerulfi (159373 159525 159527) | |
| Rhuddanian | China (Jiangxi) | B. sp. (151943 151944) | |
| Rhuddanian | China (ZheJiang) | B. kjerulfi (188392) B. sp. (151946) | |
| Rhuddanian | United Kingdom (Wales) | B. sp. (4965 5068 5069) | |
| Rhuddanian - Aeronian | United Kingdom (Wales) | B. sp. (4937 4951 4957 4968) | |
| Llandovery | China (Hubei) | B. sp. (25793) | |
| Llandovery | China (Guizhou) | B. sp. (25749 25847) B. undata (27901) | |
| Llandovery | USA (Missouri) | B. thebesensis (3349 3351 3352) | |
| Telychian | China (Hubei) | B. undata (27779) | |
| Telychian | China (Sichuan) | B. sp. (27908) |