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Urushtenoidea crenulata
Taxonomy
Eomarginifera crenulata was named by Ting (1962).
It was recombined as Urushtenia crenulata by Jin et al. (1974), Yang et al. (1977), Feng and Jiang (1978), Tong (1978), Zeng et al. (1995); it was recombined as Uncisteges crenulata by Wang et al. (1982), Zhao and Tan (1984); it was recombined as Urushtenoidea crenulata by Jin and Hu (1978), Nakamura (1979), Yang (1984), Tazawa (2001), Shen et al. (2003), Tazawa (2008), Shen and Shi (2008), Tazawa (2016), Tazawa and Araki (2017).
It was recombined as Urushtenia crenulata by Jin et al. (1974), Yang et al. (1977), Feng and Jiang (1978), Tong (1978), Zeng et al. (1995); it was recombined as Uncisteges crenulata by Wang et al. (1982), Zhao and Tan (1984); it was recombined as Urushtenoidea crenulata by Jin and Hu (1978), Nakamura (1979), Yang (1984), Tazawa (2001), Shen et al. (2003), Tazawa (2008), Shen and Shi (2008), Tazawa (2016), Tazawa and Araki (2017).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Urushtenia chenanensis Chan |
| 1962 | Eomarginifera crenulata Ting |
| 1962 | Urushtenia costata Ting |
| 1963 | Eomarginifera crenulata Jin |
| 1974 | Urushtenia crenulata Jin et al. p. 309 figs. Pl 162, figs 1-3 |
| 1977 | Urushtenia crenulata Yang et al. p. 335 figs. Pl 136, fig 11 |
| 1978 | Urushtenia crenulata Feng and Jiang p. 246 figs. Pl 89, fig 11 |
| 1978 | Urushtenoidea crenulata Jin and Hu p. 116 |
| 1978 | Urushtenia chenanensis Tong p. 218 figs. Pl 78, fig 16 |
| 1978 | Urushtenia crenulata Tong p. 218 figs. Pl 78, fig 17 |
| 1979 | Urushtenoidea crenulata Nakamura p. 228 figs. Pl 1, figs 5-9; pl 3, figs 1,2 |
| 1982 | Uncisteges crenulata Wang et al. p. 217 figs. Pl 86, fig 21; pl 90, figs 17,18 |
| 1982 | Urushtenoidea chenanensis Wang et al. p. 217 figs. Pl 80, figs 4-6 |
| 1983 | Urushtenoidea chenanensis Hu |
| 1984 | Urushtenoidea chenanensis Yang p. 213 figs. Pl 31, fig 17 |
| 1984 | Urushtenoidea crenulata Yang p. 213 figs. Pl 31, fig 19 |
| 1984 | Uncisteges crenulata Zhao and Tan |
| 1990 | Spinosteges sinensis Liang p. 156 figs. Pl 18, figs 1-4 |
| 1995 | Urushtenia crenulata Zeng et al. figs. Pl 4, figs, 9,10 |
| 2001 | Urushtenoidea crenulata Tazawa p. 296 figs. 7.1-7.9 |
| 2003 | Urushtenoidea crenulata Shen et al. p. 1131 figs. 4.11-4.13 |
| 2008 | Urushtenoidea crenulata Shen and Shi p. 155 figs. 3B-I |
| 2008 | Urushtenoidea crenulata Tazawa p. 50 figs. 7.15a-7.16 |
| 2016 | Urushtenoidea crenulata Tazawa p. 24 figs. 8.1-8.4 |
| 2017 | Urushtenoidea crenulata Tazawa and Araki p. 272 figs. 6.8, 6.9 |
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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.
†Urushtenoidea crenulata Ting 1962
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Invalid names: Urushtenia chenanensis Chan 1962 [synonym], Urushtenia costata Ting 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 12.5 | 9.64 | 17.7 | 12.6 | 3.13 | |
| valve height | 9 | 13.0 | 9.45 | 15.0 | 13.3 | 1.62 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Williams et al. 2000 | |||||
Age range: base of the Kungurian to the top of the Changhsingian or 283.30000 to 251.90200 Ma
Collections (37 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | China (Hunan) | Uncisteges crenulata (100061) | |
| Kungurian | China (Anhui) | Urushtenoidea chenanensis (101455) | |
| Kungurian | China (Zhejiang) | Urushtenia crenulata (101601 101602) | |
| Roadian | Cambodia | Urushtenoidea maceus (114483) | |
| Roadian | Japan | Urushtenoidea crenulata (75527) Urushtenoidea maceus (114089 114482) | |
| Roadian | Laos | Urushtenoidea crenulata (114487) | |
| Roadian | China (Jiangxi) | Urushtenoidea chenanensis (100098) | |
| Roadian - Capitanian | China (Guangdong) | Urushtenia crenulata (105444 121067) | |
| Wordian | China (Sichuan) | Urushtenia chenanensis (103466) Urushtenia crenulata (103468) | |
| Wordian | Japan (Miyagi) | Urushtenoidea crenulata (149789 186853) | |
| Wordian | Japan | Urushtenoidea crenulata (118974 163389 165924 179351) | |
| Wordian | Cambodia | Urushtenoidea maceus (114484) | |
| Wordian | China (Jiangsu) | Uncisteges crenulata (102117) Urushtenoidea chenanensis (109854) | |
| Wordian | China (Guizhou) | Urushtenia crenulata (98059) | |
| Wordian - Capitanian | China (Sichuan) | Urushtenia crenulata (98069) | |
| Capitanian | Japan | Urushtenoidea crenulata (118975) | |
| Capitanian | China (Xizang) | Urushtenoidea crenulata (117547) | |
| Capitanian | China (Guangxi) | Urushtenoidea crenulata (117490) | |
| Capitanian | China (Chongqing) | Uncisteges crenulata (131992) | |
| Capitanian | China (Zhejiang) | Spinosteges sinensis (95519) | |
| Capitanian | Cambodia | Urushtenoidea crenulata (114486) Urushtenoidea maceus (114485) | |
| Capitanian | China (Hunan) | Uncisteges crenulata (100083) | |
| Capitanian | China (Sichuan) | Uncisteges crenulata (153941) | |
| Capitanian | China (Fujian) | Uncisteges crenulata (120080 120087) | |
| Changhsingian | China (Xizang) | Urushtenoidea crenulata (187544) |