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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pseudocalycoceras harpax
Taxonomy
Ammonites harpax was named by Stoliczka (1864).
It was recombined as Eucalycoceras harpax by Porthault et al. (1966); it was recombined as Pseudocalycoceras (Pseudocalycoceras) harpax by Thomel (1972); it was recombined as Pseudocalycoceras harpax by Thomel (1969), Wright et al. (1996), Ahmad et al. (2013).
It was recombined as Eucalycoceras harpax by Porthault et al. (1966); it was recombined as Pseudocalycoceras (Pseudocalycoceras) harpax by Thomel (1972); it was recombined as Pseudocalycoceras harpax by Thomel (1969), Wright et al. (1996), Ahmad et al. (2013).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Ammonites harpax Stoliczka |
| 1966 | Eucalycoceras harpax Porthault et al. p. 428 |
| 1969 | Pseudocalycoceras harpax Thomel p. 650 |
| 1972 | Pseudocalycoceras (Pseudocalycoceras) harpax Thomel |
| 1996 | Pseudocalycoceras harpax Wright et al. pp. 164 - 167 fig. 123,5a,b |
| 2013 | Pseudocalycoceras harpax Ahmad et al. p. 28 figs. 7a-b |
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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.
†Pseudocalycoceras harpax Stoliczka 1864
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†Eucalycoceras harpax tulearensis Collignon 1937
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 25.5 | 25.0 | 26.0 | 25.5 | 0.707 | |
| shell diameter | 2 | 72.5 | 70.0 | 75.0 | 72.5 | 3.54 | |
| shell inflation | 2 | 26.5 | 25.0 | 28.0 | 26.5 | 2.12 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Middle Cenomanian to the top of the Cenomanian or 100.50000 to 93.90000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | France | Eucalycoceras harpax, Eucalycoceras tulearensis (230798) | |
| Cenomanian | India | Pseudocalycoceras harpax (217149 217150 217155 217156 217157 217158 217159) | |
| Late/Upper Cenomanian | Jordan | Pseudocalycoceras harpax (178485) | |
| Late/Upper Cenomanian | France | Eucalycoceras harpax, Eucalycoceras tulearensis (230895) | |
| Middle Cenomanian - Late/Upper Cenomanian | Brazil | Pseudocalycoceras harpax (140839) |