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Phyllopachyceras sextonae
Taxonomy
Phylloceras sextoni was named by Anderson (1938).
It was recombined as Phyllopachyceras sextonae by Murphy and Rodda (2006).
It was recombined as Phyllopachyceras sextonae by Murphy and Rodda (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Phylloceras sextoni Anderson pp. 139 - 140 figs. Plate 12, figure 3 |
| 2006 | Phyllopachyceras sextonae Murphy and Rodda p. 64 figs. ?Plate 6, Figure 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.
†Phyllopachyceras sextonae Anderson 1938
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Murphy and P. U. Rodda 2006 | A small Phyllopachyceras with low rounded plicae from a whorl diameter of about 12 mm arising on the outer flank or intercalated on the ventral shoulder; plicae cross the venter without inflection; cross- section higher than wide. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Hendy et al. 2009, Kiessling 2004 | |||||
Age range: Late/Upper Hauterivian or 136.40000 to 130.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hauterivian | USA (California) | Phylloceras sextoni (225530) |