Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Protancyloceras gracile
Taxonomy
Ancyloceras gracile was named by Oppel (1865). It is not a trace fossil.
It was recombined as Protancyloceras gracile by Myczynski (1989) and Klein et al. (2007).
It was recombined as Protancyloceras gracile by Myczynski (1989) and Klein et al. (2007).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1865 | Ancyloceras gracile Oppel p. 547 |
1989 | Protancyloceras gracile Myczynski p. 109 figs. Pl 4, fig 9; pl 12, fig 3d |
2007 | Protancyloceras gracile Klein et al. p. 14 |
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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.
†Protancyloceras gracile Oppel 1865
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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 2004, Kiessling 2003 |
Age range: Late/Upper Tithonian or 150.80000 to 145.00000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Tithonian | Cuba | Protancyloceras gracile (57717 57727) | |
Late/Upper Tithonian | Iraq (Zakho) | Protancyloceras gracile (192420) |