| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helcion
Taxonomy
Helcion was named by Montfort (1810) [Sepkoski's age data: T Plio R]. It is extant.
It was assigned to Patellidae by Stanton (1895); to Patellinae by Knight et al. (1960); and to Patellogastropoda by Sepkoski (2002).
It was assigned to Patellidae by Stanton (1895); to Patellinae by Knight et al. (1960); and to Patellogastropoda by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1810 | Helcion Montfort |
| 1895 | Helcion Stanton p. 63 |
| 1960 | Helcion Knight et al. p. 234 |
| 2002 | Helcion 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Middle Oxfordian to the top of the Late/Upper Pleistocene or 161.50000 to 0.01170 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Oxfordian | France | H. valfinensis (11084) | |
| Hauterivian - Barremian | USA (California) | H. granulatus (117991) | |
| Albian | France | H. conicum (2168) | |
| Albian | Switzerland | H. conicum, H. inflexum (2167) | |
| Late/Upper Pliocene | South Africa (Western Cape) | H. sp. (118257) | |
| Pleistocene | South Africa | H. pruinosus (122936) | |
| Pleistocene | Iceland | H. pellucidum (79976 79981) | |
| Middle Pleistocene - Late/Upper Pleistocene | Morocco | H. pellucidus (127577) |