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Pachyomphalus
Taxonomy
Pachyomphalus was named by Böhm (1895) [Sepkoski's age data: Tr Olen Tr Ladi Sepkoski's reference number: 797].
It was assigned to Naticopsinae by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Tricolnaticopsidae by Bandel (2007).
It was assigned to Naticopsinae by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Tricolnaticopsidae by Bandel (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Pachyomphalus Böhm p. 252 |
| 1960 | Pachyomphalus Knight et al. p. 277 |
| 2002 | Pachyomphalus Sepkoski |
| 2007 | Pachyomphalus Bandel p. 250 |
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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. †Pachyomphalus Böhm 1895
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†Pachyomphalus americanus Batten and Stokes 1986
†Pachyomphalus concinnus Böhm 1895
†Pachyomphalus rectelabiatus Kittl 1894
†Pachyomphalus uhligi Kittl 1892
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 5.62 | 2.00 | 10.6 | 8.25 | 3.90 | |
| shell diameter | 6 | 1.45 | 1.40 | 1.50 | 1.45 | 0.071 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Griesbachian to the top of the Julian or 251.90200 to 233.60000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | Oman | Pachyomphalus indet. (44804 44829 44831 44832) P. sp. (44824) | |
| Smithian | USA (Utah) | P. americanus (44283) | |
| Pelsonian - Illyrian | China (Guizhou) | P. n. sp. A (31617) P. sp. (31616 31618 31619 31620 31621 31622 31623 31625 31626 31627 31631 31632) | |
| Ladinian | Italy | P. concinnus (138255) | |
| Julian | Italy | Natica angusta (137429 144631 144634) Naticopsis kinkelini (144931) Naticopsis uhligi (34692 69661 69678 144632) |