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Nannolytoceras pygmaeum
Taxonomy
Ammonites pygmaeus was named by d'Orbigny (1846). Its type specimen is Caen BJ.IV-B.50 and is a 3D body fossil.
It was recombined as Nannolytoceras pygmaeum by Buckman (1905), Galácz and Kassai (2012).
It was recombined as Nannolytoceras pygmaeum by Buckman (1905), Galácz and Kassai (2012).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1846 | Ammonites pygmaeus d'Orbigny |
| 1905 | Nannolytoceras pygmaeum Buckman |
| 2012 | Nannolytoceras pygmaeum Galácz and Kassai |
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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.
†Nannolytoceras pygmaeum d'Orbigny 1846
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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 2003, Kiessling 2004 | |||||
Age range: base of the Middle Aalenian to the top of the Late/Upper Bajocian or 174.70000 to 168.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Aalenian | Italy (Central Italy ) | Nannolytoceras pygmaeum (123679) | |
| Bajocian | Italy (Central Italy ) | Nannolytoceras pygmaeum (123682) | |
| Late/Upper Bajocian | Egypt | Nannolytoceras pygmaeum (184586) |