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Leptosphinctes (Cleistosphinctes) perspicuus
Taxonomy
Perisphinctes perspicuus was named by Parona (1896).
It was recombined as Bajocisphinctes (Bajocisphinctes) perspicuus by Besnosov and Mitta (1993); it was recombined as Leptosphinctes (Cleistosphinctes) perspicuus by Galacz (2012).
It was recombined as Bajocisphinctes (Bajocisphinctes) perspicuus by Besnosov and Mitta (1993); it was recombined as Leptosphinctes (Cleistosphinctes) perspicuus by Galacz (2012).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1896 | Perisphinctes perspicuus Parona p. 23 figs. Pl 2, fig 5 |
| 1993 | Bajocisphinctes (Bajocisphinctes) perspicuus Besnosov and Mitta p. 108 figs. Pl 12, fig 4 |
| 2012 | Leptosphinctes (Cleistosphinctes) perspicuus Galacz p. 292 fig. 6.9 |
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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.
†Leptosphinctes (Cleistosphinctes) perspicuus Parona 1896
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 18.0 | |||||
| shell diameter | 1 | 60.0 | |||||
| shell inflation | 1 | 30.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Bajocian or 171.60000 to 167.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Hungary | Leptosphinctes perspicuus (151905) | |
| Subfurcatum | Russian Federation | Bajocisphinctes perspicuus (187896) |