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Paracrurithyris
Taxonomy
Paracrurithyris was named by Liao (1981) [Sepkoski's age data: P Dora Tr Indu Sepkoski's reference number: 150,1066].
It was considered a nomen nudum by Liao (1979).
It was assigned to Spiriferida by Sepkoski (2002); and to Ambocoeliinae by Williams et al. (2006).
It was considered a nomen nudum by Liao (1979).
It was assigned to Spiriferida by Sepkoski (2002); and to Ambocoeliinae by Williams et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Paracrurithyris Liao |
| 2002 | Paracrurithyris Sepkoski |
| 2006 | Paracrurithyris Williams et al. p. 1736 |
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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. †Paracrurithyris Liao 1981
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†Paracrurithyris pigmaea Liao 1980
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Invalid names: Crurithyris pusilla Zhan 1979 [synonym], Crurithyris tazawai He and Shi 2012 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 2.96 | 2.00 | 4.60 | 2.90 | 0.975 |
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| Source: superf = superfamily, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Changhsingian to the top of the Griesbachian or 254.17000 to 250.50000 Ma
Collections (121 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guangdong) | Crurithyris pusilla (96803 109775) | |
| Changhsingian | China (Zhejiang) | Crurithyris pusilla (50028) P. pigmaea (48895 122711) | |
| Changhsingian | Russian Federation (South Primorye) | P. pigmaea (52820) | |
| Changhsingian | China (Fujian) | P. pigmaea (95483 95485 95486 95490 95492 95503 120152) P. sp. (95484) | |
| Changhsingian | China (Guizhou) | Crurithyris pigmaea (81341 111986 111987 111988) Crurithyris tazawai (136846) Orbicoelia pusilla (99630 180415) P. pigmaea (89321 105173 136831 136832 136833 136836 136838 136840 136841 136842 136844 136845) P. pigmaea, Crurithyris tazawai (136835 136837 136839 136843 136847 136848) P. pygmaea (145677) P. sp., P. pigmaea (136834) | |
| Changhsingian | China | P. sp. 1 (221335 221336) P. sp. 1, P. sp. 2 (221339 221342) | |
| Changhsingian | China (Anhui) | P. pigmaea (112386 121413 136859 136860 136861 136862 136863 136864 136865 136866 136871 149198) P. pigmaea, Crurithyris tazawai (136867 136868 136869 136870) P. sp. (149199) | |
| Changhsingian | Iran | P. pygmaea (156732 156733 156734) | |
| Changhsingian | China (Sichuan) | Crurithyris pigmaea (111613 148459) Crurithyris pusilla (50030 120790 148462) P. pigmaea (149120) | |
| Changhsingian | China (Guangxi) | P. pigmaea (112424) | |
| Changhsingian | China (Hunan) | Crurithyris pusilla (31420) P. pigmaea (136849 136855 136856 136857) P. pigmaea, Crurithyris tazawai (136850 136851 136852 136853 136854) | |
| Changhsingian | China (Hubei) | P. sp. (107743) | |
| Changhsingian | China (Xizang) | P. pigmaea (48916) | |
| Changhsingian | China (Chongqing) | Crurithyris pusilla (50033 120783 120793 149256) P. pigmaea, Crurithyris pusilla (148539 149153) | |
| Changhsingian | China (Jiangsu) | Crurithyris pigmaea (112369 112372) P. pigmaea (121636 136874 136876) P. pigmaea, Crurithyris tazawai (136873 136875) | |
| Griesbachian | China (Fujian) | P. pigmaea (95494) P. sp. (120153) | |
| Griesbachian | China (Zhejiang) | P. pigmaea (43790 105222 105223 105225) | |
| Griesbachian | China (Jiangsu) | P. pigmaea (63510 63511 112385) | |
| Griesbachian | China (Anhui) | P. pigmaea (136872) | |
| Griesbachian | China (Hunan) | P. pigmaea (136858) | |
| Griesbachian | China (Chongqing) | Crurithyris pusilla (148537) P. pigmaea (149125) | |
| Griesbachian | China | P. sp. 1 (221345 221346 221347 221348 221349 221350) P. sp. 1, P. sp. 2 (221343 221351) | |
| Griesbachian | China (Hubei) | P. pigmaea (149219) | |
| Griesbachian | China (Guangxi) | P. pigmaea (112402 112408) |