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Skenea (California skenea)
Taxonomy
Skenea was named by Fleming (1825) [Sepkoski's age data: T Ol-u R Sepkoski's reference number: 1066
DISTRIBUTION: Early Miocene-Recent.]. It is extant. Its type is Helix serpuloides.
It was assigned to Gastropoda by Fleming (1825); to Archaeogastropoda by Sepkoski (2002); to Skeneadae by Clark (1851), Lozouet (1998), Wienrich (2001), Kiessling (2003); and to Skeneinae by Bouchet et al. (2005).
It was assigned to Gastropoda by Fleming (1825); to Archaeogastropoda by Sepkoski (2002); to Skeneadae by Clark (1851), Lozouet (1998), Wienrich (2001), Kiessling (2003); and to Skeneinae by Bouchet et al. (2005).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1825 | Skenea Fleming |
| 1851 | Skenea Clark |
| 1998 | Skenea Lozouet p. 70 |
| 2001 | Skenea Wienrich p. 397 |
| 2002 | Skena Sepkoski |
| 2003 | Skenea Kiessling |
| 2005 | Skenea Bouchet et al. |
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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. Skenea Fleming 1825 [California skenea]
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†Skenea pignus de Gregorio 1890
†Skenea schuermanni Janse and Janssen 1983
Skenea serpuloides Montagu 1808
†Skenea subauriculata Lozouet 1998
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
Maximum range based only on fossils: base of the Waipawan to the top of the Late/Upper Pleistocene or 56.00000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 52.0 Ma
Minimum age of oldest fossil (stem group age): 52.0 Ma
Collections (31 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Waipawan | New Zealand | Skenea sp. (51084) | |
| Ypresian | USA (Texas) | Skenea dalli (91845) | |
| Lutetian - Bartonian | USA (Texas) | Skena pignus (2412) | |
| Bartonian | USA (Alabama) | Skena pignus (2416 2417 2418 2419 2420 2422 2453) Skenea pignus (90600) | |
| Bartonian | USA (Mississippi) | Skena pignus (2438 2449 2451) | |
| Rupelian | France (Landes) | Skenea subauriculata (176463) | |
| Aquitanian | France (Aquitaine) | Skenea subauriculata (74865) | |
| Miocene | Germany (North Rhein-Westfalia) | Skenea minuta (62903) | |
| Langhian - Serravallian | Netherlands | Skenea minuta, Skenea schuermanni (186883) Skenea schuermanni (186884) | |
| Middle Miocene | Germany (North Rhein-Westfalia) | Skenea minuta (61896 61899 61902 61904 61906 62885) | |
| Middle Miocene | Poland | Skenea sp. (70539) | |
| Tortonian | Denmark | Skenea ariejansseni (98312) | |
| Zanclean | Holy See (Vatican City State) | Skenea sp. (209253) | |
| Late/Upper Pleistocene (interglacial) | USA (New York) | Skenea planorbis (81751) | |
| Late/Upper Pleistocene | USA (California) | Skenea californica (96566) | |
| Late/Upper Pleistocene | Japan | Skenea planorboides (88886) |