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Sphynctolethus
Taxonomy
Sphynctolethus was named by Hanna (1927). It is not extant.
It was assigned to Bacillariophyceae by Harwood (1988); and to Hemiaulaceae by Round et al. (1990).
It was assigned to Bacillariophyceae by Harwood (1988); and to Hemiaulaceae by Round et al. (1990).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Sphynctolethus Hanna p. 31 |
| 1988 | Sphynctolethus Harwood p. 88 |
| 1990 | Sphynctolethus Round et al. pp. 126, 260 |
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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. †Sphynctolethus Hanna 1927
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Paleocene to the top of the Early/Lower Oligocene or 66.00000 to 27.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | Antarctica | S. monstrosus (57542) | |
| Early/Lower Oligocene | Southern Ocean | S. pacificus (244347) |