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Pycnostylus
Taxonomy
Pycnostylus was named by Whiteaves (1884) [Sepkoski's age data: S Ldov S Prid Sepkoski's reference number: 1240]. It is not extant.
It was assigned to Pycnostylidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Pycnostylidae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
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. †Pycnostylus Whiteaves 1884
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Telychian | China (Yunnan) | P. longiseptatus (27851) | |
| Telychian | Australia (Queensland) | P. guelphensiformis (39220 39222) | |
| Telychian | Canada (Ontario) | P. sp. (77260) | |
| Telychian - Wenlock | Canada (Manitoba) | P. guelphensis (26741 26742 26743 26744 26745 26746 26747) | |
| Wenlock | Mongolia | P. quelphensis (79684) | |
| Wenlock | USA (Iowa) | P. sp. (25044) | |
| Wenlock - Ludlow | USA (Iowa) | P. sp. (25018 25036) | |
| Gorstian | Australia (Australian Capital Territories) | P. dendroides (25687) | |
| Gorstian | Australia (Australian Capital Territory) | P. congregationis (25639) | |
| Lochkovian | USA (Nevada) | P. sp. (590) | |
| Pragian | Tajikistan | P. sp. (84334) |