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Perotrochus
Taxonomy
Perotrochus was named by Fischer (1885) [Sepkoski's age data: K Camp R Sepkoski's reference number: 157]. It is extant.
It was assigned to Archaeogastropoda by Sepkoski (2002); and to Pleurotomariidae by Maxwell (1978), Wilson (1993), Todd (2001), Bose et al. (2021), Schnetler et al. (2024).
It was assigned to Archaeogastropoda by Sepkoski (2002); and to Pleurotomariidae by Maxwell (1978), Wilson (1993), Todd (2001), Bose et al. (2021), Schnetler et al. (2024).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Perotrochus Fischer |
| 1978 | Perotrochus Maxwell p. 30 |
| 1993 | Perotrochus Wilson p. 45 |
| 2001 | Perotrochus Todd |
| 2002 | Perotrochus Sepkoski |
| 2021 | Perotrochus Bose et al. |
| 2024 | Perotrochus Schnetler et al. p. 12 |
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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. Perotrochus Fischer 1885
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Subg. Perotrochus (Perotrochus) Fischer 1885
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†Perotrochus (Perotrochus) hanoverensis Kellum 1926
†Perotrochus bermotiensis Bose et al. 2021
†Perotrochus isseli Roverato 1900
†Perotrochus masoni Maxwell 1978
†Perotrochus sismondai Goldfuss 1844
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Opalinum to the top of the Zanclean or 174.70000 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 170.9 Ma
Minimum age of oldest fossil (stem group age): 170.9 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Opalinum | United Kingdom | P. allionta (141362) | |
| Campanian | New Zealand | P. sp. (63093) | |
| Waipawan | New Zealand | P. allani (51084) | |
| Waipawan | New Zealand (Chatham Islands) | P. allani (51078 51079) | |
| Lutetian | Japan (Fukuoka) | P. eocenicus (168601) | |
| Bartonian | USA (North Carolina) | Pleurotomaria hanoverensis (5436 91736) | |
| Rupelian | Germany | P. sismondai (95898) | |
| Rupelian | India (Gujarat) | P. bermotiensis (230260) | |
| Rupelian - Chattian | Italy | P. sp., P. isseli (180394) | |
| Duntroonian | New Zealand (South Island) | P. masoni (205331) | |
| Chattian | Denmark | P. sismondai (234515) | |
| Zanclean | Spain | P. brachoi (80565) |