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Urushtenia
Taxonomy
Urushtenia was named by Licharew (1935) [Sepkoski's age data: C Pn P Leon Sepkoski's reference number: 403,538]. It is not extant.
It was reranked as Productus (Urushtenia) by Licharew (1937).
It was assigned to Productus by Licharew (1937); to Chonosteginae by Muir-Wood and Cooper (1960) and Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was reranked as Productus (Urushtenia) by Licharew (1937).
It was assigned to Productus by Licharew (1937); to Chonosteginae by Muir-Wood and Cooper (1960) and Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Urushtenia Licharew |
| 1937 | Productus (Urushtenia) Licharew p. 59 |
| 1960 | Urushtenia Muir-Wood and Cooper p. 116 |
| 1970 | Chonosteges thailandica Waterhouse and Piyasin p. 118 figs. Pl 20, figs 1-8 |
| 2000 | Urushtenia Williams et al. p. 592 |
| 2002 | Urushtenia 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. †Urushtenia Licharew 1935
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†Urushtenia arguta Grant 1976
†Urushtenia grandicosta Lee and Gu 1980
†Urushtenia khmeriana Termier and Termier 1970
†Urushtenia murina Grant 1976
†Urushtenia paracrenulata Lee and Gu 1980
†Urushtenia paramaceus Lee and Gu 1980
†Urushtenia permica Licharew 1937
†Urushtenia pseudomedusa Tschernyschew 1902
†Urushtenia yanjiensis Lee and Gu 1980
†Urushtenia zhongbaensis Jin and Sun 1981
Invalid names: Chonosteges thailandica Waterhouse and Piyasin 1970 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 4.47 | 3.70 | 5.40 | 4.55 | 1.20 | |
| valve height | 2 | 10.3 | 8.00 | 13.2 | 10.6 | 3.66 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 252.17000 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Ukraine (Donets'ka) | U. pseudomedusa (126015 126029 126069) | |
| Asselian | Slovenia | Aulosteges tibeticus (129658) | |
| Asselian | Russian Federation | U. pseudomedusa (117166) | |
| Asselian - Sakmarian | Laos | Productus pseudomedusa (233571) | |
| Sakmarian | Russian Federation | U. pseudomedusa (117164 117165 117167) | |
| Kungurian | Myanmar | U. arguta (223092 223093 223094 223095 223096 223097 223098) | |
| Kungurian | Thailand | U. sp. (221706) | |
| Roadian | Thailand (Trang) | U. arguta (40896 40897 40899) U. arguta, U. murina (40874) U. murina (40869 40871 40872 40875 40876 40877 40878 40879) | |
| Roadian | Ukraine | U. murina (110830) | |
| Wordian | China (Jilin) | U. yanjiensis (111179) | |
| Wordian | Thailand (Ratchaburi) | Chonosteges thailandica (40954) | |
| Wordian | China (Nei Mongol) | U. grandicosta (109617) | |
| Wordian - Capitanian | China (Nei Mongol) | U. paramaceus, U. paracrenulata (111185) | |
| Capitanian | Cambodia | U. khmeriana (107281) | |
| Wuchiapingian | China (Xizang) | U. zhongbaensis (110084) | |
| Changhsingian | Russian Federation | Productus permica (112566 112569 127858 127860 127879 127911) |