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Euphylloceras
Taxonomy
Euphylloceras was named as a genus. It is not extant. Its type is Euphylloceras ponticuli.
It was reranked as Phylloceras (Euphylloceras) by Collignon (1962); it was synonymized subjectively with Hypophylloceras by Wright et al. (1996).
It was assigned to Phylloceras by Collignon (1962); to Phylloceratitida by Sepkoski (2002); and to Phylloceratinae by Murphy and Rodda (2006) and Matsukawa (2021).
It was reranked as Phylloceras (Euphylloceras) by Collignon (1962); it was synonymized subjectively with Hypophylloceras by Wright et al. (1996).
It was assigned to Phylloceras by Collignon (1962); to Phylloceratitida by Sepkoski (2002); and to Phylloceratinae by Murphy and Rodda (2006) and Matsukawa (2021).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Salfeldiella moreti Mahmoud p. 81 figs. pl. 5, figs. 2-4 |
| 1962 | Phylloceras (Euphylloceras) Collignon p. 1 |
| 1982 | Phylloceras (Hypophylloceras) moreti Renz p. 33 |
| 2002 | Euphylloceras Sepkoski |
| 2006 | Euphylloceras Murphy and Rodda p. 24 |
| 2021 | Euphylloceras Matsukawa p. 3 |
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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.
G. †Euphylloceras
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†Euphylloceras californicum Anderson 1938
†Euphylloceras ponticuli Rousseau 1842
†Euphylloceras thetys d'Orbigny 1841
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†Phylloceras (Hypophylloceras) thetys diegoi Boule et al. 1906
Invalid names: Ammonites morelianus d'Orbigny 1841 [synonym], Ammonites moussoni Ooster 1860 [synonym]
†Euphylloceras wiedmanni Murphy and Rodda 2006
†Phylloceras (Euphylloceras) moriezense Sayn 1920
Invalid names: Phylloceras (Hypophylloceras) moreti Mahmoud 1955 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Murphy and P. U. Rodda 2006 | A genus of Phylloceratinae with the following combination of characters: E/L diphyllic; L/U2 diphyllic or triphyllic;
medium riblets; whorl shape oval or elliptical with a three-lobed proseptum and constrictions of the immature whorls. |