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Bekella paula
Taxonomy
Bekella paula was named by Nikitina et al. (2006). Its type specimen is USNM 485155, a valve (dorsal internal mould), and it is a 3D body fossil. Its type locality is Locality F-130. Kurzhaksai section, which is in an Abereiddian marine sandstone in the Uzunbulak Formation of Kazakhstan. It is the type species of Bekella.
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Bekella paula Nikitina et al. pp. 185 - 187 figs. 25.14–18, 21; 26.E–G |
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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.
†Bekella paula Nikitina et al. 2006
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. I. Nikitina et al. 2006 | Shell concavoconvex with rectimarginate anterior commissure. Radial ornament equally and finely parvicostellate. Ventral interarea, apsacline with minute apical pseudodeltidium. Ventral interior with delicate teeth lacking dental plates, muscle field small, poorly defined anteriorly, short median ridge anterior to the muscle field and a pair of strong, divergent swellings of the shell floor with undercut anterior and lateral borders, bisected by straight, divergent vascular media. Dorsal interior with trifid cardinal process, and a high, bema bisected anteriorly by a median septum bearing two rod-like processes. Dorsal platform bounded by strong subperipheral rim. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Abereiddian or 468.00000 to 461.10000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Abereiddian | Kazakhstan | Bekella paula (165556 165591 165594 type locality: 165616 165617) |