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Phylloceras heterophyllum
Taxonomy
Ammonites heterophyllus was named by Sowerby (1820). It is not a trace fossil. It is the type species of Phylloceras.
It was recombined as Phylloceras (Phylloceras) heterophyllus by Wright and Kennedy (1984) and Kennedy (1994); it was recombined as Phylloceras heterophyllus by Wright et al. (1996) and Alsen (2006); it was recombined as Phylloceras heterophyllum by Howarth (1962), Jakobs (1997), Murphy and Rodda (2006) and Kovács (2011).
It was recombined as Phylloceras (Phylloceras) heterophyllus by Wright and Kennedy (1984) and Kennedy (1994); it was recombined as Phylloceras heterophyllus by Wright et al. (1996) and Alsen (2006); it was recombined as Phylloceras heterophyllum by Howarth (1962), Jakobs (1997), Murphy and Rodda (2006) and Kovács (2011).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1820 | Ammonites heterophyllus Sowerby p. 119 figs. pl. 226 |
| 1962 | Phylloceras heterophyllum Howarth p. 405 |
| 1984 | Phylloceras (Phylloceras) heterophyllus Wright and Kennedy p. 38 |
| 1994 | Phylloceras (Phylloceras) heterophyllus Kennedy p. 216 |
| 1996 | Phylloceras heterophyllus Wright et al. p. 1 |
| 1997 | Phylloceras heterophyllum Jakobs p. 39 |
| 2006 | Phylloceras heterophyllus Alsen p. 122 |
| 2006 | Phylloceras heterophyllum Murphy and Rodda p. 25 |
| 2011 | Phylloceras heterophyllum Kovács p. 8 figs. Pl 1, figs 1-4 |
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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.
†Phylloceras heterophyllum Sowerby 1820
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Diagnosis
No diagnoses are available