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Parahedenstroemia
Taxonomy
Parahedenstroemia was named by Spath (1934). Its type is Hedenstroemia acuta.
It was assigned to Hedenstroemiidae by Spath (1934), Shigeta and Zakharov (2009), Đaković (2017) and Đaković et al. (2022).
It was assigned to Hedenstroemiidae by Spath (1934), Shigeta and Zakharov (2009), Đaković (2017) and Đaković et al. (2022).
Species
Synonymy list
Year | Name and author |
---|---|
1934 | Parahedenstroemia Spath |
2009 | Parahedenstroemia Shigeta and Zakharov p. 137 |
2017 | Parahedenstroemia Đaković |
2022 | Parahedenstroemia Đaković et al. p. 423 |
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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. †Parahedenstroemia Spath 1934
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†Parahedenstroemia acuta von Krafft 1909
†Parahedenstroemia kiparisovae Shigeta and Zakharov 2009
†Parahedenstroemia latilobata Wang and Chen 1979
†Parahedenstroemia petkovici Đaković 2017
†Parahedenstroemia tatjanae Đaković et al. 2022
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 21 | 15.7 | 9.00 | 40.6 | 15.6 | 6.55 | |
shell diameter | 21 | 27.3 | 16.4 | 74.5 | 26.6 | 12.3 | |
shell inflation | 21 | 1.77 | 1.20 | 8.70 | 1.50 | 1.59 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Collections (17 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Dienerian | USA (Nevada) | P. kiparisovae (120316) | |
Dienerian | Russian Federation | P. kiparisovae (90211) | |
Smithian | China (Sichuan) | P. latilobata (102906) | |
Smithian | Russian Federation (Primorye) | P. conspicienda (47217 47233 47235 47268) P. sp. (47232) | |
Smithian | Serbia and Montenegro (Bar) | P. petkovici (213432) P. tatjanae (224998) | |
Smithian | Japan | P. sp. (115247) | |
Smithian | Russian Federation | P. nevolini (212296) P. sp. (168039) | |
Olenekian | Russian Federation | P. conspicienda (61961) | |
Olenekian | India (Himachal Pradesh) | P. acuta (73218 73227 73244) |