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Plicarostrum
Taxonomy
Plicarostrum is a genus. It is not extant.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Cyclothyridinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Cyclothyridinae by Williams et al. (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Plicarostrum Sepkoski |
| 2002 | Plicarostrum Williams et al. p. 1334 |
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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. †Plicarostrum
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†Plicarostrum aubersonense Burri 1956
†Plicarostrum hauteriviense Burri 1953
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 53 | 9.59 | 6.00 | 17.5 | 9.00 | 2.63 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Valanginian to the top of the Early/Lower Barremian or 137.05000 to 121.40000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Valanginian | Switzerland | P. hauteriviense (153130) | |
| Late/Upper Valanginian - Early/Lower Hauterivian | Switzerland | P. hauteriviense, P. aubersonense (153122) | |
| Early/Lower Hauterivian | Switzerland | P. aubersonense (153125 153126 153140) P. hauteriviense (153118 153119 153120 153121 153123 153132 153139) P. hauteriviense, P. aubersonense (153097 153133) P. sp. (153124) | |
| Hauterivian | Switzerland | P. hauteriviense (153102 153105) | |
| Late/Upper Hauterivian | Switzerland | P. hauteriviense, P. aubersonense (153111) | |
| Early/Lower Barremian | France | P. aubersonense (153135) |