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Psephoaster lissos
Taxonomy
Psephoaster lissos was named by McNamara (1987). Its type specimen is SAM P26560, a test, and it is not a trace fossil. Its type locality is Kingscote, Kangaroo Island [Kingscote Limestone], which is in an Eocene marine limestone in the Kingscote Limestone Formation of Australia.
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Psephoaster lissos McNamara pp. 347-348 figs. pl. 47, figs. 3, 10 |
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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.
†Psephoaster lissos McNamara 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: Late/Upper Eocene or 37.20000 to 33.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene - Late/Upper Eocene | Australia (South Australia) | Psephoaster lissos (48443) | |
| Late/Upper Eocene | Australia (South Australia) | Psephoaster lissos (type locality: 90083) |