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Heterelasmina genuflexa
Taxonomy
Hemiptychina genuflexa was named by Gemmellaro (1899).
It was recombined as Jisuina genuflexa by Stehli (1962); it was recombined as Heterelasmina genuflexa by Smirnova (2007).
It was recombined as Jisuina genuflexa by Stehli (1962); it was recombined as Heterelasmina genuflexa by Smirnova (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1899 | Hemiptychina genuflexa Gemmellaro p. 97 figs. Pl 25, figs 18-28; pl 27, fig 58; pl 30, figs 43,44 |
| 1930 | Hemiptychina genuflexa de Gregorio p. 19 |
| 1962 | Jisuina genuflexa Stehli p. 103 figs. Pl 20, Group J |
| 2007 | Heterelasmina genuflexa Smirnova p. 793 |
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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.
†Heterelasmina genuflexa Gemmellaro 1899
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 11.3 | 9.00 | 13.0 | 11.5 | 1.37 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Wordian or 266.90000 to 264.28000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Italy | Hemiptychina genuflexa (108672 108675 233340) Jisuina genuflexa (112952) | |
| Wordian - Wuchiapingian | Pakistan | Jisuina genuflexa (118122) |