| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Skeneopsis
Taxonomy
Skeneopsis was named by Iredale (1915) [m. kosnik taxon no: 7813].
It was assigned to Skeneopsidae by Wilson (1993) and Marquet (1997).
It was assigned to Skeneopsidae by Wilson (1993) and Marquet (1997).
Synonymy list
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Tortonian to the top of the Late/Upper Pleistocene or 11.62000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 5.333 Ma
Minimum age of oldest fossil (stem group age): 5.333 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tortonian - Messinian | Ukraine (Crimea) | S. planorbis (194985) | |
| Piacenzian | Belgium | S. planorbis (76983) | |
| Early/Lower Pleistocene | Ecuador (Manabi) | S. sp. (48664) | |
| Middle Pleistocene | USA (California) | Skenea cyclostoma (203113 203118) | |
| Late/Upper Pleistocene (glacial) | Iceland | S. planorbis (75056 75057) | |
| Late/Upper Pleistocene | Portugal (Azores) | S. planorbis (128470) | |
| Late/Upper Pleistocene | USA (Alaska) | S. alaskana (37632) | |
| Late/Upper Pleistocene | Netherlands | S. planorbis (98205) |