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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Oxostrophomena
Taxonomy
Oxostrophomena was named by Nikitina et al. (2006). Its type is Strophomena dubia.
It was assigned to Strophomenidae by Nikitina et al. (2006).
It was assigned to Strophomenidae by Nikitina et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Oxostrophomena Nikitina et al. p. 173 |
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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. †Oxostrophomena Nikitina et al. 2006
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†Oxostrophomena dubia Rukavishnikova 1956
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. I. Nikitina et al. 2006 | Shell convexoconcave, strongly geniculated ventrally; ventral interarea apsacline with a pseudodeltidium; dorsal interarea orthocline to slightly apsacline with discrete chilidial plates; radial ornament parvicostellate, posterior area of both valves covered by irregular concentric rugellae. Ventral interior with large striated teeth and long divergent dental plates, muscle field small, elongate, suboval in outline, with diductor scars extended beyond but not enclosing narrow adductor scars. Dorsal interior with a bilobed cardinal process situated on a narrow triangular notothyrial platform; socket ridges very short, straight, blade-like with a striated posterior surface, divergent anteriorly; sockets small semi-conical; muscle field small, divided by a broad median ridge and with posterior adductors larger then anterior scars; dorsal mantle canals saccate. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Abereiddian or 468.00000 to 461.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Abereiddian | Kazakhstan | O. dubia (165482 165486 165487 165544) |