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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Clorilamnulella osmundsbergensis
Taxonomy
Clorilamnulella osmundsbergensis was named by Rasmussen et al. (2010). Its type specimen is MGUH 29226 (conjoined valves) and is a 3D body fossil. It is the type species of Clorilamnulella.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Clorilamnulella osmundsbergensis Rasmussen et al. pp. 148 - 150 figs. 10A–Q, 11 |
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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.
†Clorilamnulella osmundsbergensis Rasmussen et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. M. O. Rasmussen et al. 2010 | mall to medium sized, equi-biconvex to slightly ventri-biconvex with triangular to sub-pentagonal outline and moderately globose convexity. Ventral valve arched in adult specimens with low obscure sulcus most pronounced at anterior commissure. Ventral interarea apsacline, moderately high, narrow and curved. Dorsal valve less convex, usually with a sharply defined fold, but fold may also be low and obscure to nearly rectimarginate in juvenile specimens. Distinctive growth lamellae 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: Hirnantian or 445.20000 to 443.10000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hirnantian | Sweden (Dalarna) | Clorilamnulella osmundsbergensis (101023 162497) |