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Puzosia octosulcata
Taxonomy
Ammonites octosulcatus was named by Sharpe (1853) [Ammonites octo-sulcatus]. Its type specimen is GSM 7761 and is a 3D body fossil.
It was recombined as Puzosia (Puzosia) octosulcata by Kennedy (1971); it was recombined as Puzosia octosulcata by Juignet and Kennedy (1976).
It was recombined as Puzosia (Puzosia) octosulcata by Kennedy (1971); it was recombined as Puzosia octosulcata by Juignet and Kennedy (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Ammonites octosulcatus Sharpe p. 42 figs. Plate XIX, fig . 3 |
| 1971 | Puzosia (Puzosia) octosulcata Kennedy pp. 36 - 37 figs. Plate 13, fig. 3; Plate 14, figs. la, b, 2a, b, 3 |
| 1976 | Puzosia octosulcata Juignet and Kennedy |
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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.
†Puzosia octosulcata Sharpe 1853
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. Sharpe 1853 | Shell discoidal; with few whorls, flattened on the sides, and rounded on the back, crossed by eight deep, very slightly flexuous furrows, between which are many short, delicate ribs bending forward, and well defined on the back, fading away in the middle of the sides of the whorl: umbilicus rather small, leaving a fourth of the inner whorls visible: aperture semi-oval. | |
| W. J. Kennedy 1971 | A small, rather involute and round-whorled Puzosia with 8 almost straight shallow constrictions per whorl, the outer parts of the sides bearing very fine flexuous ribs between constrictions. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Cenomanian or 99.60000 to 93.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | United Kingdom (England) | Puzosia octosulcata (230775) | |
| Late/Upper Cenomanian | Russian Federation (Sakhalin) | Puzosia octosulcata (64560) |