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Polygyrina
Taxonomy
Polygyrina was named as a genus. It is not extant. Its type is Turritella lommelii. It is the type genus of Polygyrinidae.
It was reranked as Loxonema (Polygyrina) by Haas (1953).
It was assigned to Loxonema by Haas (1953); to Loxonematidae by Knight et al. (1960); to Neotaenioglossa by Sepkoski (2002); and to Polygyrinidae by Bouchet et al. (2005).
It was reranked as Loxonema (Polygyrina) by Haas (1953).
It was assigned to Loxonema by Haas (1953); to Loxonematidae by Knight et al. (1960); to Neotaenioglossa by Sepkoski (2002); and to Polygyrinidae by Bouchet et al. (2005).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Loxonema (Polygyrina) Haas p. 112 |
| 1960 | Polygyrina Knight et al. p. 312 |
| 2002 | Polygyrina Sepkoski |
| 2005 | Polygyrina Bouchet et al. p. 137 |
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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. †Polygyrina
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†Loxonema (Polygyrina) lommeli Wissmann 1841
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Invalid names: Melania minima Klipstein 1843 [synonym], Turritella cochleata Münster 1841 [synonym], Turritella similis Münster 1841 [synonym]
†Polygyrina depressa Wang 1980
†Polygyrina lommeli Wissmann 1841
†Polygyrina peracuta Assmann 1937
†Polygyrina sichuanensis Li 1989
†Polygyrina sichuanensis Pan 1982
†Polygyrina subtilostriata Zhu 1995
†Polygyrina venusta Yu and Wang 1980
†Polygyrina zhongzhaiensis He et al. 2008
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 24 | 7.78 | 1.79 | 61.6 | 5.00 | 14.1 |
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| Source: superf = superfamily, o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Wuchiapingian to the top of the Rhaetian or 259.51000 to 201.40000 Ma
Collections (54 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Qinghai) | P. sp. (56723) P. subtilostriata (122300) | |
| Changhsingian | China (Guangxi) | P. depressa (206158 206159) P. sp. (56891) | |
| Changhsingian - Griesbachian | China (Sichuan) | P. sichuanensis (48944) | |
| Griesbachian | China (Guizhou) | P. depressa (85127 111976) P. sp., P. depressa (109663) P. sp., P. depressa, P. zhongzhaiensis (108555) P. venusta (119951) | |
| Griesbachian | China (Sichuan) | P. sp. (111619) | |
| Dienerian | Italy (Trentino) | P. spp. (197892) | |
| Dienerian | Italy | P. gracilior (116029) | |
| Smithian | USA (Utah) | P. sp. (144026) P. sp. A (156096 156097 156102 156103 156110 156111 156114) | |
| Spathian | Italy | P. gracilior (115787) | |
| Anisian | Germany (Baden-Württemberg) | P. sp. (66084) | |
| Anisian | Poland | Turritella similis (63538) | |
| Bithynian | Romania | P. peracuta (197722) | |
| Pelsonian | Slovakia | P. gracilior (44913 44914 44915) | |
| Pelsonian - Illyrian | China (Guizhou) | P. lommeli (44255) | |
| Pelsonian - Tuvalian | Türkiye (Anatolia) | Loxonema lommeli (204511) | |
| Illyrian | Tunisia | P. sp. (203922) | |
| Longobardian | Italy | P. lommeli (236005) | |
| Julian | Italy (Trentino) | P. lommeli (139235) | |
| Julian | Italy | Loxonema lommeli (144631) P. lommeli (50888 69658 69664 69669 69673 69681 69683 69688 69689 69690 69691 202422) Turritella lommelii, Turritella similis, Turritella cochleata (137429) | |
| Tuvalian | Hungary | P. lommeli (23870) | |
| Norian - Rhaetian | Peru | Loxonema sp. (68120 68129) | |
| Sevatian | USA (Idaho) | P. subannulata (38377) | |
| Rhaetian | Peru | Loxonema sp. (68096) Loxonema sp. 1 (68119) |