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Urushtenoidea
Taxonomy
Urushtenoidea was named by Jin and Hu (1978) [Sepkoski's age data: P Wc Sepkoski's reference number: 538].
It was assigned to Chonosteginae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Chonosteginae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Urushtenoidea Jin and Hu p. 116 |
| 2000 | Urushtenoidea Williams et al. p. 592 |
| 2002 | Uncisteges Sepkoski |
| 2002 | Urushtenoidea 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. †Urushtenoidea Jin and Hu 1978
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†Urushtenoidea chaoi Jin 1963
†Urushtenoidea costulata Chi-Thuan 1961
†Urushtenoidea crenulata Ting 1962
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Invalid names: Urushtenia chenanensis Chan 1962 [synonym], Urushtenia costata Ting 1962 [synonym]
†Urushtenoidea maceus Jin 1963
†Urushtenoidea obscura Chao 1927
Invalid names: Uncisteges [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 10.5 | 3.92 | 17.7 | 10.8 | 3.84 | |
| valve height | 12 | 12.5 | 9.45 | 15.0 | 13.1 | 1.79 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Changhsingian or 283.30000 to 251.90200 Ma
Collections (70 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | China (Fujian) | Uncisteges maceus (120025) | |
| Kungurian | China (Sichuan) | U. chaoi (153928) | |
| Kungurian | China (Anhui) | U. chenanensis (101455) U. obscura (120118) | |
| Kungurian | China (Zhejiang) | Uncisteges maceus (120039) Urushtenia crenulata (101601 101602) | |
| Kungurian | China (Hunan) | Uncisteges crenulata, Uncisteges maceus (100061) | |
| Roadian | Laos | U. crenulata (114487) | |
| Roadian | Japan | U. crenulata (75527) U. maceus (114089 114482) | |
| Roadian | Cambodia | U. maceus (114483) | |
| Roadian | China (Jiangxi) | U. chaoi (100092 100093 100095 120107) U. chenanensis (100098) | |
| Roadian - Capitanian | China (Guangdong) | Urushtenia crenulata (105444 121067) Urushtenia maceus (121088 121090) | |
| Wordian | China (Sichuan) | Urushtenia chaoi (103448) Urushtenia chenanensis (103466) Urushtenia crenulata (103468) | |
| Wordian | China (Hunan) | Uncisteges maceus (100079) Uncisteges sp. (100072) | |
| Wordian | Japan (Miyagi) | U. crenulata (149789 186853) | |
| Wordian | China (Jiangxi) | U. chaoi (100099) | |
| Wordian | China (Guizhou) | Urushtenia crenulata (98059) | |
| Wordian | Cambodia | U. maceus (114484) | |
| Wordian | China (Jiangsu) | Uncisteges crenulata (102117) U. chenanensis (109854) | |
| Wordian | Japan | U. crenulata (118974 163389 165924 179351) | |
| Wordian | China (Anhui) | Uncisteges maceus (120110 120120) U. chaoi (97299) U. chaoi, Uncisteges maceus (109848) | |
| Wordian - Capitanian | China (Sichuan) | Urushtenia crenulata (98069) | |
| Capitanian | Iran | U. sp. (125260) | |
| Capitanian | China (Chongqing) | Uncisteges maceus (131993) U. chaoi, Uncisteges crenulata (131992) | |
| Capitanian | Hong Kong | Uncisteges crenulata (275789 275810 275830) | |
| Capitanian | China (Hunan) | U. szechuanensis, Uncisteges crenulata (100083) | |
| Capitanian | China (Guangxi) | U. crenulata (117490) | |
| Capitanian | China (Sichuan) | U. chaoi, Uncisteges crenulata (153941) U. sp. (153939) | |
| Capitanian | Malaysia | U. chaoi (40414 105035 105036) U. sp., U. chaoi (40413) | |
| Capitanian | Japan | U. crenulata (118975) | |
| Capitanian | China (Fujian) | Uncisteges crenulata (120080 120087) | |
| Capitanian | China (Zhejiang) | Uncisteges maceus (111932 111933 111934) Uncisteges maceus, Spinosteges sinensis (95519) | |
| Capitanian | China (Xizang) | U. crenulata (117547) | |
| Capitanian | Cambodia | U. chaoi, U. maceus (114485) U. crenulata, U. costulata (114486) | |
| Capitanian - Wuchiapingian | China | U. sp. (197553) | |
| Lopingian | China (Jiangxi) | Productus mexicanus (109628) | |
| Changhsingian | China (Xizang) | U. crenulata (187544) |