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Pycnolithus
Taxonomy
Pycnolithus was named by Lindström (1899) [Sepkoski's age data: S Ldov-u , S Wenl-l Sepkoski's reference number: 2]. It is not extant.
It was assigned to Pycnolithidae by Hill (1981); and to Tabulata by Sepkoski (2002).
It was assigned to Pycnolithidae by Hill (1981); and to Tabulata by Sepkoski (2002).
Entered
by J. Sepkoski on 2003-01-23; modified by A. Girndt on 2014-11-18
Synonymy list
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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. †Pycnolithus Lindström 1899
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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 Gisbornian to the top of the Aeronian or 458.20000 to 438.60000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gisbornian - Harnagian | Australia (Tasmania) | P. sp. (2691) | |
| Gisbornian - Eastonian | Australia (Tasmania) | P. sp. (2692) | |
| Late/Upper Ordovician | USA (Alaska) | P. sp. A (100871 100874 100875) | |
| Aeronian | Canada (Quebec) | P. sp. (79165) |