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Spiticeras polytroptychum
Taxonomy
Holcostephanus polytroptychus was named by Uhlig (1888). It is a 3D body fossil.
It was recombined as Spiticeras polytroptychum by Ovando-Figueroa et al. (2024).
It was recombined as Spiticeras polytroptychum by Ovando-Figueroa et al. (2024).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1888 | Holcostephanus polytroptychus Uhlig |
| 2024 | Spiticeras polytroptychum Ovando-Figueroa et al. p. 2 figs. 2A1-2 |
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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.
†Spiticeras polytroptychum Uhlig 1888
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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: Late/Upper Berriasian or 139.10000 to 137.05000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Berriasian | Mexico (Zacatecas) | Spiticeras polytroptychum (232776) |