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Helicocryptus
Taxonomy
Helicocryptus was named by d'Orbigny (1850) [Sepkoski's age data: J Bath K Ceno-u Sepkoski's reference number: 615].
It was assigned to Helicocryptinae by Cox (1960); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Helicocryptinae by Cox (1960); and to Archaeogastropoda by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Helicocryptus d'Orbigny |
| 1960 | Helicocryptus Cox p. 267 |
| 2002 | Helicocryptus 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. †Helicocryptus d'Orbigny 1850
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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: Late/Upper Albian or 106.30000 to 100.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | United Kingdom (England) | H. radiatus (6280) |