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Punctaptychus (ammonoid aptychus)
Discussion
Aptychus
Taxonomy
Punctaptychus was named by Trauth (1927). It is considered to be a form taxon. Its type is Aptychus punctatus.
It was assigned to Ammonoidea by Arkell et al. (1957).
It was assigned to Ammonoidea by Arkell et al. (1957).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Punctaptychus Trauth |
| 1957 | Punctaptychus Arkell et al. p. L469 |
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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. †Punctaptychus Trauth 1927 [ammonoid aptychus]
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†Punctaptychus punctatus Voltz 1837 [ammonoid aptychus]
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 Early/Lower Jurassic to the top of the Early/Lower Tithonian or 201.40000 to 145.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Jurassic | Italy (Trento) | Aptychus punctatus (232107) | |
| Kimmeridgian | Madagascar | Aptychus punctatus (98167) | |
| Early/Lower Tithonian | Azerbaijan | Punctaptychus punctatus (130886) |