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Macrophylloceras ptychostoma
Taxonomy
Ammonites ptychostoma was named by Benecke (1865).
It was recombined as Phylloceras ptychostoma by Schlegelmilch (1994) and Reboulet (1996); it was recombined as Macrophylloceras ptychostoma by Arkadiev et al. (2000).
It was recombined as Phylloceras ptychostoma by Schlegelmilch (1994) and Reboulet (1996); it was recombined as Macrophylloceras ptychostoma by Arkadiev et al. (2000).
Synonymy list
Year | Name and author |
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1865 | Ammonites ptychostoma Benecke |
1994 | Phylloceras ptychostoma Schlegelmilch p. 22 |
1996 | Phylloceras ptychostoma Reboulet p. 183 figs. Pl 35, fig 8 |
2000 | Macrophylloceras ptychostoma Arkadiev et al. p. 97 figs. Pl 3, fig 6 |
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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.
†Macrophylloceras ptychostoma Benecke 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, Hendy et al. 2009, Kiessling 2003 |
Age range: Berriasian or 145.00000 to 139.80000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Berriasian | Ukraine | Macrophylloceras ptychostoma (183168) |