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Geczyceras bonarellii
Taxonomy
Hammatoceras bonarellii was named by Parisch and Viale (1906).
It was recombined as Geczyceras bonarellii by Kovács (2009).
It was recombined as Geczyceras bonarellii by Kovács (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1906 | Hammatoceras bonarellii Parisch and Viale p. 159 figs. Pl 10, figs 1-4 |
| 2009 | Geczyceras bonarellii Kovács p. 15 fig. 6 |
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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.
†Geczyceras bonarellii Parisch and Viale 1906
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 36.6 | 24.0 | 50.0 | 41.0 | 13.2 | |
| shell diameter | 3 | 153.8 | 102.0 | 210.0 | 170.0 | 54.6 | |
| shell inflation | 3 | 84.7 | 56.0 | 118.0 | 92.0 | 31.1 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Toarcian to the top of the Thouarsense or 180.40000 to 174.70000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Variabilis | Hungary | Geczyceras bonarellii (107912 108055) | |
| Late/Upper Toarcian | France | Hammatoceras bonarellii (161668) | |
| Late/Upper Toarcian | Hungary | Geczyceras bonarellii (108574 108593 108594 108628 108629) | |
| Thouarsense | Hungary | Geczyceras bonarellii (108477 108572 108589 108590 108626 108682 108683) |