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Phyllopachyceras theresae
Taxonomy
Phylloceras theresae was named by Anderson (1938). It is a 3D body fossil. Its type locality is CAS loc. 1668, west branch of the east fork of Hulen (=Huling) Creek, which is in an Albian marine horizon in the Budden Canyon Formation of California.
It was recombined as Phyllopachyceras theresae by Khiami and Murphy (1988), Murphy and Rodda (2006).
It was recombined as Phyllopachyceras theresae by Khiami and Murphy (1988), Murphy and Rodda (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Phylloceras theresae Anderson pp. 140 - 141 figs. Plate 12, figures 4, 5 |
| 1988 | Phyllopachyceras theresae Khiami and Murphy p. 593 figs. Figures 6.13, 6.14, 10 |
| 2006 | Phyllopachyceras theresae Murphy and Rodda pp. 61 - 63 figs. Plate 8, Figures 10, 11, 14, 15; Plate 9, Figures 14-16, Table 18. |
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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 theresae Anderson 1938
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. N. Khiami and M. A. Murphy 1988 | Large, low, rounded ribs on flank of adult body whorl, on an involute shell with a nearly circular whorl section. | |
| M. A. Murphy and P. U. Rodda 2006 | A Phyllopachyceras with low rounded plicae on the mature living chamber beginning on the flanks at whorl diameters of about 45 mm and gradually extending across the venter at larger diameters with some bifurcation; cross section higher than wide. |