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Grioceras saundersi
Taxonomy
Martoceras saundersi was named by Nassichuk (1977). Its type specimen is GSC 42271 and is a 3D body fossil. Its type locality is Locality B, GSC locality 79412, which is in a Wordian open shallow subtidal grainstone in the Horsefeed Formation of Canada.
It was recombined as Prostacheoceras saundersi by Bogoslovskaya (1990), Leonova (2002); it was recombined as Grioceras saundersi by Leonova (2018).
It was recombined as Prostacheoceras saundersi by Bogoslovskaya (1990), Leonova (2002); it was recombined as Grioceras saundersi by Leonova (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Martoceras saundersi Nassichuk p. 574 figs. Pl 2, fig 12; text-fig 8 |
| 1990 | Prostacheoceras saundersi Bogoslovskaya p. 72 |
| 2002 | Prostacheoceras saundersi Leonova |
| 2018 | Grioceras saundersi 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 saundersi Nassichuk 1977
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 12.0 | |||||
| shell diameter | 1 | 26.0 | |||||
| shell inflation | 1 | 1.50 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||