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Hysteroceras varicosus
Taxonomy
Hysteroceras varicosus was named by Sowerby (1824) [Distribution: Early Upper Albian]. It is a 3D body fossil. It is the type species of Hysteroceras.
It was recombined as Ammonites varicosus by Sowerby (1824); it was recombined as Schloenbachia varicosa by Choffat (1905); it was recombined as Brancoceras varicosum by Spath (1922); it was corrected as Hysteroceras varicosum by Hyatt (1900), Spath (1934), Haas (1942), Henderson (1990), Novack-Gottshall (2025).
It was recombined as Ammonites varicosus by Sowerby (1824); it was recombined as Schloenbachia varicosa by Choffat (1905); it was recombined as Brancoceras varicosum by Spath (1922); it was corrected as Hysteroceras varicosum by Hyatt (1900), Spath (1934), Haas (1942), Henderson (1990), Novack-Gottshall (2025).
Synonymy list
| Year | Name and author |
|---|---|
| 1824 | Ammonites varicosus Sowerby |
| 1900 | Hysteroceras varicosum Hyatt p. 590 |
| 1905 | Schloenbachia varicosa Choffat p. 34 figs. Pl 4, fig 6 |
| 1922 | Brancoceras varicosum Spath |
| 1934 | Hysteroceras varicosum Spath |
| 1942 | Hysteroceras varicosum Haas p. 19 figs. Pl 1, fig 20; pl 3, fig 9 |
| 1990 | Hysteroceras varicosum Henderson p. 114 |
| 2025 | Hysteroceras varicosum Novack-Gottshall |
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Measurements
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