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Pycnoidocyathus
Taxonomy
Pycnoidocyathus was named by Taylor (1910) [Sepkoski's age data: Cm Boto-u Cm Tojo-u]. Its type is Pycnoidocyathus synapticulosus. It is the type genus of Pycnoidocyathidae.
It was assigned to Pycnoidocyathidae by Okulitch (1950); to Archaeocyathida by Sepkoski (2002); and to Archaeocyathidae by Debrenne et al. (2015).
It was assigned to Pycnoidocyathidae by Okulitch (1950); to Archaeocyathida by Sepkoski (2002); and to Archaeocyathidae by Debrenne et al. (2015).
Species
P. (Cambrocyathus), P. amourensis, P. amplus, P. ceratodictyoides, P. cribrus, P. strictus, P. synapticulosus (type species)
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1910 | Archaeofungia Taylor |
| 1910 | Pycnoidocyathus Taylor p. 131 |
| 1950 | Archaeofungia Okulitch p. 394 |
| 1950 | Pycnoidocyathus Okulitch p. 394 |
| 1973 | Archaeofungia Okuneva and Repina |
| 2002 | Pycnoidocyathus Sepkoski |
| 2015 | Pycnoidocyathus Debrenne et al. p. 1057 |
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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. †Pycnoidocyathus Taylor 1910
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Subg. †Pycnoidocyathus (Cambrocyathus) Okulitch 1937
†Pycnoidocyathus amourensis Okulitch 1943
†Pycnoidocyathus amplus Gravestock 1984
†Pycnoidocyathus ceratodictyoides Raymond 1931
†Pycnoidocyathus cribrus Gravestock 1984
†Pycnoidocyathus strictus Gravestock 1984
†Pycnoidocyathus synapticulosus Taylor 1910
Invalid names: Archaeofungia Taylor 1910 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| V. J. Okulitch 1950 | cups of cylindrical or conical shape, the outer wall transversely annulated by deep horizontal bulges. Parieties in part well defined and radial, in part wavy, passing into trabecular tissue within the bulges. All parieties more or less synapticulate. Dissepiments are present in some of the species. Inner wall simple, perforated by the usual pores or larger canals. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||
Collections (43 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Falkland Islands (Malvinas) | P. sp. (182205) | |
| Tommotian | Russian Federation (Yakutia) | Cambrocyathus tschuranicus (45847) | |
| Tommotian | Russian Federation | Cambrocyathus tschuranicus (90090) | |
| Atdabanian | Canada (Northwest Territories) | P. sekwiensis (49019 49020 49021) | |
| Atdabanian | Russian Federation (Yakutiya) | Archaeofungia sp. (81194 81195 81196 81204 81219) Archaeofungia sp., Archaeofungia suvorovae (81203) Archaeofungia suvorovae (81201 81216 81218) Archaeofungia suvorovae, Archaeofungia sp. (81214) | |
| Atdabanian | Canada (British Columbia) | Cambrocyathus sp. (49010 49014) | |
| Atdabanian | Spain (Castilla-La Mancha) | P. toledani, P. sp. (81295) | |
| Atdabanian | Australia (South Australia) | P. amplus (81173) P. cribrus (81171 81172 81181) P. strictus (81180) | |
| Montezuman | USA (California) | Cambrocyathus sp. (226368) P. sp., Cambrocyathus sp. (226366) | |
| Montezuman - Dyeran | USA (California) | P. sp. (217095) | |
| Botomian | Russian Federation (Yakutiya) | Archaeofungia sp., Archaeofungia suvorovae, Archaeofungia polysynapticulosus (81240) Archaeofungia suvorovae (81222) | |
| Botomian | Antarctica | P. latiloculatus (62871) P. latiloculatus, P. ecdemus (80915) | |
| Botomian | Mexico | P. eminetus (62865) | |
| Botomian | China (Guizhou) | Archaeofungia sp. (79911) | |
| Botomian | Australia (South Australia) | P. latiloculatus, P. vicinisepta (81016) P. parvulus (79944) P. synapticulosus (81184) P. vicinisepta, P. speciosus, P. strictus (79945) | |
| Botomian | Canada (British Columbia) | P. serratus (81083) | |
| Botomian | Canada (Yukon) | P. sekwiensis, P. uniserialis (80948) | |
| Botomian - Toyonian | Antarctica | P. latiloculatus (80919) | |
| Botomian - Toyonian | Canada (Yukon) | P. sp. (80949) | |
| Lenian | Russian Federation (Primorye) | Archaeofungia dissepimentalis, Archaeofungia incelebratus (81071) | |
| Toyonian | Spain | P. erbiensis (62645) |