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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Phylloceras trifoliatum
Taxonomy
Phylloceras trifoliatum was named by Neumayr (1871).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1871 | Phylloceras trifoliatum Neumayr p. 309 figs. Pl 12, figs 2,3 |
| 1982 | Phylloceras trifoliatum Westermann and Riccardi p. 16 figs. Pl 1, figs 1a,b, 2 |
| 2017 | Phylloceras trifoliatum Galácz p. 720 |
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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.
†Phylloceras trifoliatum Neumayr 1871
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 25.9 | 15.0 | 44.6 | 29.8 | 20.9 | |
| shell diameter | 2 | 42.9 | 25.6 | 72.0 | 48.8 | 32.8 | |
| shell inflation | 2 | 1.16 | 0.900 | 1.50 | 1.20 | 0.424 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Concavum to the top of the Late/Upper Bajocian or 174.70000 to 168.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Concavum | Argentina (Mendoza) | Phylloceras trifoliatum (63841 63847 158127 158128) | |
| Late/Upper Bajocian | Kenya | Phylloceras trifoliatum (191123 191124) |