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Grioceras perspectivum
Taxonomy
Stacheoceras perspectivum was named by Gemmellaro (1887). It is a 3D body fossil. Its type locality is Rocca di San Benedetto, calcare compatto, Sosio, which is in a Wordian carbonate limestone in Italy.
It was recombined as Grioceras perspectivum by Leonova (2018).
It was recombined as Grioceras perspectivum by Leonova (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Stacheoceras perspectivum Gemmellaro p. 33 figs. Pl 8, figs 12-14 |
| 1990 | Stacheoceras perspectivum Bogoslovskaya p. 73 |
| 2002 | Stacheoceras perspectivum Leonova |
| 2018 | Grioceras perspectivum Leonova p. 240 |
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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.
†Grioceras perspectivum Gemmellaro 1887
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 4.05 | 2.50 | 6.00 | 4.50 | 1.89 | |
| shell diameter | 4 | 10.3 | 7.00 | 14.0 | 11.0 | 3.30 | |
| shell inflation | 4 | 3.60 | 3.00 | 4.00 | 3.75 | 0.479 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||