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Biconcava
Taxonomy
Biconcava is a genus. It is not extant.
It was assigned to Mayncinidae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
It was assigned to Mayncinidae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Biconcava Loeblich and Tappan |
| 2002 | Biconcava 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. †Biconcava
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, subo = suborder, o = order | |||||
| References: Loeblich and Tappan 1988, Kiessling 2004, Loeblich and Tappan 1984 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Coniacian or 100.50000 to 85.70000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | Croatia (Istarska) | B. bentori (28002 68102 68104) | |
| Late/Upper Cenomanian | Lebanon (Kesrouâne) | B. sp. (86183 86185 86187) | |
| Late/Upper Cenomanian | Türkiye (Antalya) | B. bentori (161560) | |
| Late/Upper Cenomanian | Jordan | B. benthori (148296) | |
| Middle Cenomanian | Türkiye (Antalya) | B. bentori (161694) | |
| Middle Cenomanian - Late/Upper Cenomanian | Türkiye (Antalya) | B. bentori (161713) | |
| Middle Cenomanian - Late/Upper Cenomanian | Lebanon (Kesrouâne) | B. sp. (60380) | |
| Coniacian | Albania | B. bentoni (74611) |