Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Lytoceras siemensi
Taxonomy
Ammonites siemensi was named by Denckmann (1887).
It was recombined as Lytoceras siemensi by Jakobs (1997) and Benzaggagh et al. (2022).
It was recombined as Lytoceras siemensi by Jakobs (1997) and Benzaggagh et al. (2022).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1887 | Ammonites siemensi Denckmann |
1997 | Lytoceras siemensi Jakobs p. 40 figs. Pl 1, figs 1,2,7,8 |
2022 | Lytoceras siemensi Benzaggagh et al. p. 9 figs. 8G-I |
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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.
†Lytoceras siemensi Denckmann 1887
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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: base of the Early/Lower Toarcian to the top of the Middle Toarcian or 183.00000 to 175.60000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Falciferum | Morocco | Lytoceras siemensi (228347 228348) | |
Early/Lower Toarcian - Middle Toarcian | Canada (British Columbia) | Lytoceras siemensi (55639 55640 55641) | |
Middle Toarcian | Canada (British Columbia) | Lytoceras siemensi (55642 55644) |