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Zieglerina
Taxonomy
Zieglerina was named by Bardashev and Bardasheva (2012).
It was assigned to Polygnathidae by Ovnatanova et al. (2017).
It was assigned to Polygnathidae by Ovnatanova et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2012 | Zieglerina Bardashev and Bardasheva |
| 2017 | Zieglerina Ovnatanova et al. pp. 1140 - 1143 |
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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. †Zieglerina Bardashev and Bardasheva 2012
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†Zieglerina ovalis Ziegler and Klapper 1964
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| N. S. Ovnatanova et al. 2017 | Pa element with symmetrical or asymmetrical, f lat, and from oval, subtriangular, trap- ezoid to subsquare platform. Anterior end of platform straight, rounded, and slightly pointed; posterior end rounded or slightly pointed. Median ridge straight or slightly arched. Free blade short and from one-third to quarter of platform length. Troughs poorly pro- nounced and short. Upper platform surface orna- mented with fine and medium-sized nodes. Basal cav- ity relatively large, with elevated asymmetrical flanks, and located in anterior third or in platform middle. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Givetian to the top of the Middle Frasnian or 387.95000 to 375.20000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | Spain | Klapperina ovalis (145869 145871) | |
| Givetian | Morocco | Klapperina ovalis (148864) | |
| Early/Lower Frasnian | China (Guangxi) | Klapperina ovalis (13138 13140) | |
| Frasnian | Morocco | Klapperina ovalis (152963 152964) | |
| Frasnian | Spain | Klapperina ovalis (145873 197173 197176) | |
| Frasnian | Germany | Z. B (228586) Z. ovalis (228006 228007 228008) Z. sp. (228591) | |
| Middle Frasnian | China (Guangxi) | Klapperina ovalis (13137) |