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Richthofenia
Taxonomy
Richthofenia is a genus. It is not extant.
It was assigned to Richthofeniinae by Muir-Wood and Cooper (1960); to Richthofeniidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Richthofeniinae by Muir-Wood and Cooper (1960); to Richthofeniidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Richthofenia Muir-Wood and Cooper p. 135 |
| 2000 | Richthofenia Williams et al. p. 611 |
| 2002 | Richthofenia Sepkoski |
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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. †Richthofenia
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†Richthofenia anshunensis Liao 1980
†Richthofenia caucasica Licharew 1928
†Richthofenia elegans Li 1986
†Richthofenia guangdeensis Liao 1984
†Richthofenia lawrenciana de Koninck 1863
†Richthofenia orientalis Licharew 1937
†Richthofenia sinensis Waagen 1885
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Invalid names: Richthofenia lengwuensis Liang 1990 [synonym]
†Richthofenia tilita Liao and Meng 1986
†Richthofenia ussurica Licharew 1936
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 55.8 | - | - | - | - | |
| valve height | 4 | 19.5 | 9.50 | 36.1 | 23.1 | 14.0 |
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Gzhelian to the top of the Changhsingian or 303.70000 to 251.90200 Ma
Collections (131 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | China (Guangxi) | R. elegans (134310) | |
| Permian | USA (Alaska) | R. lawrenciana (112204) | |
| Roadian | Ukraine | R. caucasica (102500) | |
| Wordian | China (Nei Mongol) | R. lawrenciana (109209) | |
| Wordian | Thailand (Ratchaburi) | R. sp. (40954) | |
| Wordian | Pakistan | R. lawrenciana (81503 125818 125819 125820 125822 125836 125841 125843 125844 125845 125847 125848) | |
| Wordian | Armenia | R. caucasica (97391 113725) R. lawrenciana (110806) R. lawrenciana, R. caucasica (88706) | |
| Wordian | Iran | R. caucasica (118136) R. lawrenciana (112937 134812) | |
| Capitanian | China (Xizang) | R. lawrenciana (110083) | |
| Capitanian | Cambodia | R. lawrenciana (107273 107280) | |
| Capitanian | Armenia | R. caucasica (110814) R. lawrenciana (88708 116779) R. lawrenciana, R. caucasica (116771) | |
| Capitanian | Russian Federation | R. orientalis, Prorichthofenia ussurica (86015) | |
| Capitanian | Pakistan | R. lawrenciana (119552 119615 125867 125882 125883 126277 127032 127033) R. sinensis (119551) | |
| Capitanian | Azerbaijan | R. caucasica (94946 116758) | |
| Capitanian | China (Zhejiang) | Loczyella sp. 1 (111934) R. lengwuensis (95519) | |
| Wuchiapingian | Azerbaijan | R. sp. n. (132463) | |
| Wuchiapingian | China (Xizang) | R. sp. (230327) | |
| Wuchiapingian | Hungary | R. sp. (131451) | |
| Wuchiapingian | China (Anhui) | R. sinensis, R. guangdeensis (112376) | |
| Wuchiapingian | Armenia | R. lawrenciana (110746) | |
| Wuchiapingian | China (Shaanxi) | R. sp. A, R. sp. B (148516) | |
| Wuchiapingian | Pakistan | R. lawrenciana (83142 88933 90252 90253 90260 119524 119527 119537 119550 119555 119612 119617 119843 119844 119897 124358 124482 125887 125891 125892 125895 125896 125897 125898 125900 125901 125902 125903 125910 125925 125961 126264 126267 126268 126270 126280 126281 126293 126299 126302 126341 126342 126343 126344 126452 126454 126456 126459 126941 126984 126991 126995 127005 127025 127030) R. sinensis (127007) | |
| Lopingian | China (Jiangxi) | R. lawrenciana (109628) | |
| Lopingian | Slovenia | R. lawrenciana (60192) | |
| Wuchiapingian - Changhsingian | Pakistan | R. lawrenciana (126760 126982 126998) | |
| Changhsingian | Japan | R. sp. (107624) | |
| Changhsingian | Russian Federation | R. caucasica (112565) | |
| Changhsingian | China (Chongqing) | R. sinensis (94986) R. sinensis, R. anshunensis (94985) R. sinensis, R. anshunensis, R. guangdeensis (94984) | |
| Changhsingian | Tajikistan | R. caucasica (109466 109471 109477) | |
| Changhsingian | Pakistan | R. lawrenciana (126887 126996) R. sp. (126897) | |
| Changhsingian | China (Xizang) | R. lawrenciana (187544 187558) | |
| Changhsingian | Pakistan (Northwest Frontier) | R. sp. (41557) | |
| Changhsingian | China (Sichuan) | R. sp. (36221) | |
| Changhsingian | China (Hunan) | R. tilita, R. guangdeensis (111899) | |
| Changhsingian | China (Guizhou) | R. anshunensis (51424 112091) R. sinensis, R. guangdeensis (117481) |