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Pachymelon
Taxonomy
Pachymelon was named by Marwick (1926) [Sepkoski's age data: T Mi-l-u R Sepkoski's reference number: 614,681]. It is extant.
It was assigned to Zidoninae by Beu et al. (1990); and to Neogastropoda by Sepkoski (2002).
It was assigned to Zidoninae by Beu et al. (1990); and to Neogastropoda by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Pachymelon Marwick |
| 1990 | Pachymelon Beu et al. p. 416 |
| 2002 | Pachymelon Sepkoski |
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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. Pachymelon Marwick 1926
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Subg. †Pachymelon (Palomelon) Finlay 1927
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†Pachymelon (Palomelon) lutea Watson 1882
†Pachymelon (Palomelon) suropsilos Stilwell and Zinsmeister 1992
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Ypresian to the top of the Late/Upper Oligocene or 56.00000 to 23.03000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian - Lutetian | Antarctica (Seymour Island) | P. suropsilos (63551) | |
| Bartonian | Antarctica (Seymour Island) | P. suropsilos (63552) | |
| Late/Upper Eocene | Antarctica | P. suropsilos (72394 72397) | |
| Late/Upper Oligocene | New Zealand | P. sp. (67854) |