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Promicroceras perplanicosta
Taxonomy
Xipheroceras perplanicosta was named by Spath (1925).
It was recombined as Promicroceras perplanicostum by Reyment (1969); it was recombined as Promicroceras perplanicosta by Spath (1926), Meister and Friebe (2003).
It was recombined as Promicroceras perplanicostum by Reyment (1969); it was recombined as Promicroceras perplanicosta by Spath (1926), Meister and Friebe (2003).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Xipheroceras perplanicosta Spath |
| 1926 | Promicroceras perplanicosta Spath |
| 1969 | Promicroceras perplanicostum Reyment |
| 2003 | Promicroceras perplanicosta Meister and Friebe |
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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.
†Promicroceras perplanicosta Spath 1925
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Sinemurian to the top of the Pliensbachian or 199.50000 to 184.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sinemurian - Pliensbachian | Austria | Promicroceras perplanicosta (218903) |