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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Orthodiscus
Taxonomy
Orthodiscus was named by Schrammen (1924) [Sepkoski's age data: K Turo K Maes Sepkoski's reference number: 641]. It is not extant. Its type is Orthodiscus fragilis.
It was assigned to Ventriculitinae by Lagneau-Herenger (1962); and to Lychniscosa by Sepkoski (2002).
It was assigned to Ventriculitinae by Lagneau-Herenger (1962); and to Lychniscosa by Sepkoski (2002).
Species
O. fragilis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Orthodiscus Schrammen |
| 1962 | Orthodiscus Lagneau-Herenger |
| 2002 | Orthodiscus 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: o = order, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range: base of the Early/Lower Albian to the top of the Late/Upper Maastrichtian or 113.20000 to 66.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | France (Provence-Alpes-Cote d'Azur) | O. sp. (112209) | |
| Coniacian | France (Nord-Pas de Calais) | O. fragilis (113561 113586 113633 113634) | |
| Santonian | France (Picardie) | O. fragilis (112659) | |
| Campanian | France (Picardie) | O. fragilis (113635) | |
| Late/Upper Campanian | Poland | O. fragilis (110119) | |
| Early/Lower Maastrichtian | Poland | O. fragilis (110338) | |
| Late/Upper Maastrichtian | Poland | O. fragilis (110438) |