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Purdonella
Taxonomy
Spirifer (Purdonella) was named by Reed (1944) [Sepkoski's age data: C Mosc-l P Djhu Sepkoski's reference number: 2,1200]. It is the type subgenus of Purdonellinae.
It was reranked as Purdonella by Sepkoski (2002), Waterhouse (2004), Williams et al. (2006).
It was assigned to Spirifer by Reed (1944); to Spiriferida by Sepkoski (2002); and to Purdonellinae by Waterhouse (2004), Williams et al. (2006).
It was reranked as Purdonella by Sepkoski (2002), Waterhouse (2004), Williams et al. (2006).
It was assigned to Spirifer by Reed (1944); to Spiriferida by Sepkoski (2002); and to Purdonellinae by Waterhouse (2004), Williams et al. (2006).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Spirifer (Purdonella) Reed p. 218 |
| 2002 | Purdonella Sepkoski |
| 2004 | Purdonella Waterhouse |
| 2006 | Purdonella Williams et al. p. 1780 |
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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. †Purdonella Reed 1944
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†Purdonella malingensis Feng 1978
†Purdonella markovskii Zavodowsky 1968
†Purdonella merlai Fantini Sestini 1965
†Purdonella nikitini Tschernyschew 1902
†Purdonella sadai Yanagida and Nishikawa 1984
†Purdonella semiovalis Reed 1944
†Purdonella soderberghi Dunbar 1955
†Purdonella tschernyschewiformis Ozaki 1931
†Spirifer (Purdonella) conformis Reed 1944
†Spirifer (Purdonella) limitaris Reed 1944
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 22.1 | 11.0 | 40.0 | 21.0 | 10.4 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Moscovian to the top of the Wuchiapingian or 315.20000 to 254.14000 Ma
Collections (61 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Moscovian | Malaysia | P. sp. (120937 120938 120941) | |
| Moscovian | China (Xinjiang) | P. artuxensis (50245 50246 58131 58132) | |
| Middle Pennsylvanian - Late/Upper Pennsylvanian | Canada (Yukon) | Spirifer nikitini (61573) | |
| Kasimovian | Russian Federation | P. nikitini (133074) | |
| Kasimovian - Gzhelian | China (Xinjiang) | P. nikitini (50238) | |
| Gzhelian | China (Guangxi) | P. pseudonikitini (134310) | |
| Asselian | Russian Federation | P. markovskii (121543) | |
| Asselian | Canada (British Columbia) | Spirifer nikitini (112841) Spirifer nikitini, Choristites soderberghi (112843) | |
| Asselian | China | P. nikitini (35512) | |
| Asselian | China (Xinjiang) | P. nikitini (105227 105228) | |
| Asselian | Japan | P. sp., P. sadai (97224) | |
| Asselian | USA (Alaska) | Spirifer nikitini (109345) | |
| Asselian - Sakmarian | Laos | Spirifer nikitini (233571) | |
| Wolfcampian - Leonardian | Canada (Yukon) | Spirifer nikitini (61569 61572 61574) | |
| Permian | Canada (British Columbia) | Spirifer soderberghi (61642) | |
| Sakmarian | China (Guangxi) | Choristites nikitini (134321) | |
| Sakmarian | Russian Federation (Komi) | P. nikitini (82826 133080) | |
| Sakmarian | Malaysia | P. sp. (117676) | |
| Sakmarian | China (Guizhou) | P. malingensis (95758) | |
| Sakmarian | Canada (Yukon) | P. nikitini (117168 117679 121738) | |
| Sakmarian | Russian Federation | P. nikitini (110108) P. sp. (110191) | |
| Sakmarian | Japan | P. sp., P. sadai (97225) | |
| Artinskian | Canada (Nunavut) | Spirifer nikitini (119291) | |
| Kungurian | China (Xinjiang) | P. tschernyschewiformis (62810) | |
| Roadian | Russian Federation | P. soderberghi (109483) | |
| Roadian | Afghanistan | P. semiovalis (88402) | |
| Roadian | China (Xinjiang) | P. merlai (123272) | |
| Wordian | Svalbard and Jan Mayen (Barentsøya) | P. svalbardensis (212888) | |
| Wuchiapingian | Greenland | Choristites soderberghi (107514 107533) | |
| Wuchiapingian | Svalbard and Jan Mayen | Choristites soderberghi (117552) | |
| Wuchiapingian | Pakistan | Spirifer limitaris (125887 125891 125892 125897 125900 125902 125903 125910 125919 126011 127005) Spirifer limitaris, Spirifer conformis (125898 125908 126007 126692 127007) | |
| Wuchiapingian - Changhsingian | Pakistan | Spirifer limitaris (126704) |