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Blackdownia
Taxonomy
Blackdownia was named by Kollmann (1976) [Sepkoski's age data: K Albi-u K Ceno-m Sepkoski's reference number: 792].
It was assigned to Neogastropoda by Sepkoski (2002); and to Trichotropinae by Kiel and Bandel (2003).
It was assigned to Neogastropoda by Sepkoski (2002); and to Trichotropinae by Kiel and Bandel (2003).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Blackdownia Kollmann |
| 2002 | Blackdownia Sepkoski |
| 2003 | Blackdownia Kiel and Bandel pp. 458 - 459 |
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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. †Blackdownia Kollmann 1976
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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: base of the Late/Upper Albian to the top of the Santonian or 105.30000 to 83.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | United Kingdom (England) | B. quadrata (6280) | |
| Santonian | South Africa (Eastern Cape) | B. acuticarinata, B. kollmanni (47109) |