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Aspenites
Taxonomy
Aspenites was named by Hyatt and Smith (1905) [Sepkoski's age data: Tr Olen-l Sepkoski's reference number: 302,1066]. Its type is Aspenites acutus. It is the type genus of Aspenitidae, Aspenitinae.
It was assigned to Aspenitinae by Spath (1934); to Ceratitida by Sepkoski (2002); and to Aspenitidae by Tozer (1981), Brayard et al. (2013), Shigeta and Nguyen (2014), Đaković et al. (2022).
It was assigned to Aspenitinae by Spath (1934); to Ceratitida by Sepkoski (2002); and to Aspenitidae by Tozer (1981), Brayard et al. (2013), Shigeta and Nguyen (2014), Đaković et al. (2022).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Aspenites Hyatt and Smith p. 95 |
| 1934 | Aspenites Spath |
| 1962 | Hemiaspenites Kummel and Steele pp. 659, 666 |
| 1981 | Aspenites Tozer p. 91 |
| 2002 | Aspenites Sepkoski |
| 2002 | Hemiaspenites Sepkoski |
| 2013 | Aspenites Brayard et al. p. 212 |
| 2014 | Aspenites Shigeta and Nguyen p. 136 |
| 2022 | Aspenites Đaković et al. p. 427 |
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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. †Aspenites Hyatt and Smith 1905
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†Aspenites acutus Hyatt and Smith 1905
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Invalid names: Aspenites laevis Welter 1922 [synonym], Aspenites obtusus Smith 1932 [synonym]
†Aspenites chaoxianensis Guo 1982
†Aspenites kamurensis Kambe 1963
†Aspenites radiatus Smyshlyaeva and Zakharov 2015
Invalid names: Hemiaspenites Kummel and Steele 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 18 | 18.6 | 10.0 | 41.0 | 18.5 | 8.58 | |
| shell diameter | 18 | 29.8 | 11.0 | 66.0 | 30.6 | 14.4 | |
| shell inflation | 18 | 0.009 | 0.001 | 3.00 | 0.001 | 1.25 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (81 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Triassic | USA (Nevada) | A. acutus (33313) | |
| Early/Lower Triassic | USA (Idaho) | A. acutus (33285 33286 33314) | |
| Dienerian - Spathian | China | A. laevis (44006) | |
| Smithian | Vietnam | A. acutus (155485 155509) | |
| Smithian | Montenegro (Bar) | A. acutus (213432) | |
| Smithian | China (Gunagxi) | A. acutus (44014) | |
| Smithian | Indonesia | A. laevis (205639) A. sp. (204267) | |
| Smithian | Japan (Tokyo-to) | A. sp. (44043) | |
| Smithian | China (Guangxi) | A. acutus (97135 97136 97141 97142 97145 97149 97150 97153 97154 97155 97194 99907) A. sp. (97158 97166 97187 97195) A. sp., A. acutus (97157) | |
| Smithian | USA (Utah) | A. acutus (156016 156023 156025 156049 156054) | |
| Smithian | China (Xizang) | A. acutus (97330 97360 229713 229715 229743 229744 229745 229753) | |
| Smithian | USA (Alaska) | A. acutus (44394 44415) | |
| Smithian | India (Himachal Pradesh) | A. acutus (139639 139640 139642 139646 139673 139674 139681 139682 139684) | |
| Smithian | Japan | A. kamurensis (115247) A. sp. (99941) | |
| Smithian | USA (California) | A. acutus (33298) | |
| Smithian | Oman | A. acutus (102600 102601 127397 127399 127401 127402 127403 127404 127405 127408) A. sp. (73231 73233 73254) | |
| Smithian | China (Shaanxi) | A. acutus (99902) | |
| Smithian | Russian Federation | A. radiatus (168039) | |
| Smithian | USA (Nevada) | A. acutus (62097 97117 97118 97121) Hemiaspenites obtusus, A. acutus (61515 62096) | |
| Smithian | USA (Idaho) | A. acutus (33288 33292) A. obtusus, A. acutus (33293) | |
| Spathian | China (Anhui) | A. chaoxianensis (150818) |