| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helix
Taxonomy
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Helix 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. Helix
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†Helix catillus Martin 1793
†Helix leidyi Hall and Meek 1855
Helix newberryana Binney 1858
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006 | |||||
Age range
Maximum range based only on fossils: base of the Maastrichtian to the top of the Late/Upper Pleistocene or 72.20000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | USA (South Dakota) | H. leidyi (235783) | |
| Late/Upper Pleistocene | Israel | H. cavata (225667) | |
| Late/Upper Pleistocene (glacial) | USA (California) | Epiphragmophora mormonum (155393) | |
| Late/Upper Pleistocene | USA (California) | H. sp. (222660) |