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Parasilesites bullatus
Taxonomy
Parasilesites bullatus was named by Imlay (1959). Its type specimen is USNM 129872, a shell, and it is a 3D body fossil. Its type locality is Alaska, Kennicott Formation, USGS Mes. loc. 9492, which is in an Albian marginal marine sandstone in Alaska. It is the type species of Parasilesites.
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Parasilesites bullatus Imlay p. 184 figs. pl. 29, figs. 1-8 |
| 1960 | Parasilesites bullatus Imlay p. 106 |
| 1995 | Parasilesites bullatus Alabushev fig. 7A,B |
| 2018 | Parasilesites bullatus Robert et al. p. 7 figs. 5.3, 5.4, 5.5 |
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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.
†Parasilesites bullatus Imlay 1959
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 9.00 | |||||
| shell diameter | 1 | 27.0 | |||||
| shell inflation | 1 | 11.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Albian or 112.03000 to 109.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian - Early/Lower Albian | Mexico (Sonora) | Parasilesites bullatus (191940) | |
| Albian | USA (Alaska) | Parasilesites bullatus (type locality: 38516) | |
| Early/Lower Albian | USA (Alaska) | Parasilesites bullatus (88627 88908) | |
| Early/Lower Albian | Russian Federation | Parasilesites bullatus (169549) |