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Aspenites acutus
Taxonomy
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Aspenites acutus Hyatt and Smith p. 96 figs. Pl 2, figs 9-13; pl 3, figs 1-5 |
| 1922 | Aspenites laevis Welter |
| 1932 | Aspenites obtusus Smith |
| 1934 | Aspenites acutus Spath |
| 1959 | Aspenites laevis Chao |
| 1962 | Hemiaspenites obtusus Kummel and Steele p. 666 figs. Pl 99, fig 18 |
| 1962 | Aspenites acutus Kummel and Steele p. 692 figs. Pl 99, figs 16,17 |
| 1974 | Aspenites acutus Zhao and Wang p. 344 figs. Pl 180, figs 5,6 |
| 1979 | Aspenites acutus Nichols and Silberling figs. Pl 1, figs ?10,?11,12-14,?15,?16 |
| 2008 | Aspenites acutus Brayard and Bucher p. 77 figs. Pl 42, figs 1-9 |
| 2010 | Aspenites acutus Brühwiler et al. p. 429 fig. 16.12,16.13 |
| 2012 | Aspenites acutus Brühwiler and Bucher p. 48 figs. Pl 26, figs 1,2 |
| 2013 | Aspenites acutus Brayard et al. p. 212 figs. 81a-j |
| 2014 | Aspenites acutus Shigeta and Nguyen p. 136 fig. 97 |
| 2022 | Aspenites acutus Đaković et al. p. 427 figs. 13A-P |
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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.
†Aspenites acutus Hyatt and Smith 1905
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Invalid names: Aspenites laevis Welter 1922 [synonym], Aspenites obtusus Smith 1932 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 20.1 | 14.0 | 41.0 | 18.6 | 8.27 | |
| shell diameter | 17 | 30.4 | 11.0 | 66.0 | 30.7 | 14.5 | |
| shell inflation | 17 | 0.004 | 0.001 | 3.00 | 0.001 | 1.22 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (68 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Triassic | USA (Nevada) | Aspenites acutus (33313) | |
| Early/Lower Triassic | USA (Idaho) | Aspenites acutus (33285 33286 33314) | |
| Smithian | USA (California) | Aspenites acutus (33298) | |
| Smithian | USA (Nevada) | Aspenites acutus (62097 97117 97118 97121) Hemiaspenites obtusus, Aspenites acutus (61515 62096) | |
| Smithian | USA (Utah) | Aspenites acutus (156016 156023 156025 156049 156054) | |
| Smithian | Serbia and Montenegro (Bar) | Aspenites acutus (213432) | |
| Smithian | India (Himachal Pradesh) | Aspenites acutus (139639 139640 139642 139646 139673 139674 139681 139682 139684) | |
| Smithian | USA (Idaho) | Aspenites acutus (33288 33292) Aspenites obtusus, Aspenites acutus (33293) | |
| Smithian | China (Gunagxi) | Aspenites acutus (44014) | |
| Smithian | Oman | Aspenites acutus (102600 102601 127397 127399 127401 127402 127403 127404 127405 127408) | |
| Smithian | Vietnam | Aspenites acutus (155485 155509) | |
| Smithian | China (Xizang) | Aspenites acutus (97330 97360 229713 229715 229743 229744 229745 229753) | |
| Smithian | China (Guangxi) | Aspenites acutus (97135 97136 97141 97142 97145 97149 97150 97153 97154 97155 97157 97194 99907) | |
| Smithian | USA (Alaska) | Aspenites acutus (44394 44415) | |
| Smithian | China (Shaanxi) | Aspenites acutus (99902) | |
| Smithian | Indonesia | Aspenites laevis (205639) | |
| Dienerian - Spathian | China | Aspenites laevis (44006) |