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Protanastrophia asimmetrica
Taxonomy
Parastrophinella asimmetrica was named by Rozman (1970).
It was recombined as Protanastrophia asimmetrica by Jin and Popov (2008).
It was recombined as Protanastrophia asimmetrica by Jin and Popov (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Parastrophinella asimmetrica Rozman p. 72 figs. pl. 5: 10–13, text−fig. 20 |
| 2008 | Protanastrophia asimmetrica Jin and Popov pp. 222-223, Appendix 2 |
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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.
†Protanastrophia asimmetrica Rozman 1970
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Jin and L. E. Popov 2008 | Shell dorsibiconvex, up to 13 mm wide, asymmetrical shell with sigmoidal anterior commissure; ventral sulcus anddorsal fold originating at midlength of mature shells; up to 14 rounded costae in anterior half of shell; discrete, parallel inner hinge plates. Rudimentary strophic shell with a small ventral interarea in this species can be inferred from the transverse serial sections and emended diagnosis of Parastrophinella provided by Rozman (1970a). |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||