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Ringsteadia bassettensis
Taxonomy
Ringsteadia bassettensis was named by Spath (1935). Its type specimen is NHM C15426, a shell, and it is a 3D body fossil. Its type locality is Wootton Bassett (Marston Ironstone, BMNH), which is in an Oxfordian carbonate limestone in the Ampthill Clay Formation of the United Kingdom.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Ringsteadia bassettensis Spath p. 41 figs. Pl 12, fig 3 |
| 2010 | Ringsteadia bassettensis Wright p. 35 figs. Pl 3, fig 5; pl 4, figs 1,2,4,5; text-figs 6B,D-G |
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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.
†Ringsteadia bassettensis Spath 1935
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 37.8 | 35.4 | 40.3 | 37.8 | 3.46 | |
| shell diameter | 2 | 116.5 | 115.0 | 118.0 | 116.5 | 2.12 | |
| shell inflation | 2 | 50.0 | 46.0 | 54.3 | 50.1 | 5.87 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Oxfordian or 157.90000 to 154.80000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oxfordian | United Kingdom (Wiltshire) | Ringsteadia bassettensis (type locality: 163926 163930 163934 163945) |