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Pseudolioceras costistriatum
Taxonomy
Pseudolioceras costistriatum was named by Westermann (1969). Its type specimen is McM J 1056, a shell, and it is a 3D body fossil. Its type locality is Westermann WA11, Wide Bay (30 m), which is in a Bajocian marine shale in the Kialagvik Formation of Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Pseudolioceras costistriatum Westermann p. 55 figs. Pl 13, figs 3-6; text-figs 19,20 |
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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.
†Pseudolioceras costistriatum Westermann 1969
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 19.0 | 10.6 | 34.0 | 22.3 | 16.5 | |
| shell diameter | 2 | 39.1 | 22.5 | 68.0 | 45.2 | 32.2 | |
| shell inflation | 2 | 5.76 | 4.10 | 8.10 | 6.10 | 2.83 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Bajocian or 171.60000 to 168.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | USA (Alaska) | Pseudolioceras costistriatum (175617 type locality: 175649) |