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Sympolycyclus nodifer
Taxonomy
Polycyclus nodifer was named by Hyatt and Smith (1905). It is a 3D body fossil. Its type locality is Brock Mountain, 3 miles east of Madison's ranch (Trachyceras subzone), which is in a Tuvalian carbonate limestone in the Hosselkus Formation of California. It is the type species of Sympolycyclus.
It was recombined as Hannaoceras nodifer by Tomlin (1931); it was recombined as Sympolycyclus nodifer by Spath (1951).
It was recombined as Hannaoceras nodifer by Tomlin (1931); it was recombined as Sympolycyclus nodifer by Spath (1951).
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Polycyclus nodifer Hyatt and Smith p. 201 figs. Pl 38, figs 1-18 |
| 1927 | Polycyclus nodifer Smith p. 96 figs. Pl 38, figs 1-18 |
| 1931 | Hannaoceras nodifer Tomlin p. 174 |
| 1951 | Sympolycyclus nodifer Spath p. 85 |
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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.
†Sympolycyclus nodifer Hyatt and Smith 1905
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Diagnosis
No diagnoses are available