| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Penaceras
Taxonomy
Penaceras was named by Cantú-Chapa (1963).
It was assigned to Acanthoplitinae by Barragán and Maurrasse (2008).
It was assigned to Acanthoplitinae by Barragán and Maurrasse (2008).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Penaceras Cantú-Chapa |
| 2008 | Penaceras Barragán and Maurrasse p. 152 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Aptian to the top of the Late/Upper Aptian or 125.00000 to 113.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Mexico | P. rursiradiatus (87926) | |
| Late/Upper Aptian | Mexico (Nuevo Leon) | P. stoyanovi (89546) | |
| Early/Lower Aptian | Mexico (Nuevo Leon) | P. rursiradiatus (87908) |