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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Biacumina
Taxonomy
Biacumina was named by Mostler (1970). It is considered to be a form taxon.
It was assigned to Semperitidae by Mostler (1972), Krainer and Mostler (1997).
It was assigned to Semperitidae by Mostler (1972), Krainer and Mostler (1997).
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Biacumina Mostler |
| 1972 | Biacumina Mostler p. 23 |
| 1997 | Biacumina Krainer and Mostler p. 8 |
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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. †Biacumina Mostler 1970
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†Biacumina aequibrachiata Krainer and Mostler 1997
†Biacumina inconstans Mostler 1970
†Biacumina latiareata Krainer and Mostler 1997
†Biacumina nasiformis Krainer and Mostler 1997
†Biacumina rara Mostler 1972
†Biacumina rariperforata Kozur and Mock 1972
†Biacumina spinosa Kozur and Mock 1972
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Sevatian to the top of the Hettangian or 211.18000 to 199.50000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Alaunian - Sevatian | Slovakia | B. acanthica (99565) | |
| Sevatian | Slovakia | B. spinosa (99563) | |
| Hettangian | Austria | B. rara (100115) | |
| Liasicus | Austria | B. rara, B. rariperforata, B. inconstans, B. aequibrachiata, B. latiareata, B. nasiformis (227858) B. rariperforata, B. inconstans (227857) |