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Clorilamnulella
Taxonomy
Clorilamnulella was named by Rasmussen et al. (2010). Its type is Clorilamnulella osmundsbergensis.
It was assigned to Clorindidae by Rasmussen et al. (2010).
It was assigned to Clorindidae by Rasmussen et al. (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Clorilamnulella Rasmussen et al. pp. 147 - 148 |
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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. †Clorilamnulella Rasmussen et al. 2010
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†Clorilamnulella malmoyensis St. Joseph 1938
†Clorilamnulella osmundsbergensis Rasmussen et al. 2010
†Clorilamnulella undata de Sowerby and Murchison 1839
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. M. O. Rasmussen et al. 2010 | Small-sized, equi-biconvex to slightly ventri- biconvex with triangular to sub-pentagonal outline and moderately globose convexity in adult specimens. Widest point from mid-valve to anterior one-third of valve. Ventral valve arched with umbo usually protruding posterior of hingeline with an initially low and obscure sulcus that may become very pronounced at anterior commissure. Ventral interarea relatively high, narrow and curved. Dorsal valve less convex, usually with a sharply defined fold in adult specimens, but fold may also be low and obscure, nearly rectimarginate in juvenile specimens. Distinctive growth lamilae seen towards the anterior margin. Ventral interior with short deep and narrow spondylium supported by an even shorter median septum. Dorsal interior with sub-parallel, anteriorly abbreviated inner plates supporting equally short, but very thick, divergent outer plates. Carinae may be developed as bases of brachial processes, though these also could be hook structures. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009 | |||||
Age range: base of the Hirnantian to the top of the Telychian or 445.20000 to 432.90000 Ma
Collections (61 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hirnantian | Sweden (Dalarna) | C. osmundsbergensis (101023 162497) | |
| Hirnantian - Aeronian | Norway | Clorinda undata (14292) | |
| Juuru | Estonia | Clorinda undata (193102 206916 206958) | |
| Juuru | Estonia (Tartu) | Clorinda undata (193828) | |
| Juuru | Estonia (Saare) | Clorinda undata (193706) | |
| Juuru | Estonia (Viljandi) | Clorinda undata (206920) | |
| Rhuddanian | Norway | Clorinda undata (13843 13844 13850 14322) | |
| Rhuddanian | Norway (Asker) | Clorinda undata (160131 191026 191029 191030 191031 191032 191033) | |
| Rhuddanian | United Kingdom (Wales) | Clorinda undata (3469 3471 8409) | |
| Rhuddanian - Aeronian | United Kingdom (Wales) | Clorinda undata (4950 4953 4961 4974 4977 4988 4992 4994 4998 5012 5013 5023 5024 5027 5037 5042) | |
| Rhuddanian - Aeronian | Russian Federation (Siberia) | Clorinda undata (206465 206484 206542 206543 206560) | |
| Rhuddanian - Aeronian | Norway (Asker) | Clorinda undata (191036 191038 191039) | |
| Rhuddanian - Aeronian | Norway | Clorinda undata (2876 2884 2889 2892 14318) | |
| Llandovery | Russian Federation (Siberia) | Clorinda undata (206317) | |
| Llandovery | Russian Federation | Clorinda undata (24773) | |
| Llandovery | Norway | Clorinda undata (502 503) | |
| Raikkula | Estonia (Viljandi) | Clorinda undata (193663) | |
| Raikkula | Estonia (Pärnu) | Clorinda undata (193123) | |
| Aeronian | Norway | Clorinda undata (13849) | |
| Aeronian | United Kingdom (Scotland) | Clorinda undata (153465) | |
| Telychian | United Kingdom (England) | Clorinda undata (49635) |