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Audaxlytoceras
Taxonomy
Audaxlytoceras was named by Fucini (1923) [Sepkoski's age data: J Plie-l J Plie-u Sepkoski's reference number: 1066]. It is not extant. Its type is Audaxlytoceras audax.
It was synonymized subjectively with Alocolytoceras by Hoffmann (2010).
It was assigned to Ammonoidea by Sepkoski (2002); to Lytoceratidae by Géczy and Meister (1998), Hillebrandt (2006); to Nannolytoceratidae by Tongtherm et al. (2016); and to Alocolytoceratinae by Pallini et al. (2004), Dommergues and Meister (2017).
It was synonymized subjectively with Alocolytoceras by Hoffmann (2010).
It was assigned to Ammonoidea by Sepkoski (2002); to Lytoceratidae by Géczy and Meister (1998), Hillebrandt (2006); to Nannolytoceratidae by Tongtherm et al. (2016); and to Alocolytoceratinae by Pallini et al. (2004), Dommergues and Meister (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Audaxlytoceras Fucini |
| 1998 | Audaxlytoceras Géczy and Meister |
| 2002 | Audaxlytoceras Sepkoski |
| 2004 | Audaxlytoceras Pallini et al. p. 6 |
| 2006 | Audaxlytoceras Hillebrandt p. 47 |
| 2016 | Audaxlytoceras Tongtherm et al. |
| 2017 | Audaxlytoceras Dommergues and Meister p. 220 |
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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.
G. †Audaxlytoceras Fucini 1923
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†Audaxlytoceras apertum Geyer 1893
†Audaxlytoceras audax Meneghini 1881
†Audaxlytoceras grandonense Meneghini 1881
†Audaxlytoceras spirorbis Meneghini 1875
†Audaxlytoceras varicosum Venturi 1978
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 4.70 | 3.10 | 9.60 | 4.20 | 2.18 | |
| shell diameter | 11 | 20.7 | 9.90 | 44.0 | 18.2 | 13.6 | |
| shell inflation | 11 | 5.96 | 4.50 | 10.0 | 5.40 | 1.96 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (35 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Olenekian - Anisian | Thailand | A. audax (211353) | |
| Late/Upper Sinemurian | Morocco | A. sp. (200621) | |
| Davoei | Hungary | A. audax (109112) | |
| Early/Lower Pliensbachian | Slovakia | A. sp. (218338) | |
| Ibex | Hungary (Veszprém Megye) | A. grandonense (81550) A. sp. (81548) | |
| Jamesoni | Italy | Aegolytoceras varicosum (146997 146998) | |
| Jamesoni | Hungary (Veszprém Megye) | A. varicosum (81556) | |
| Jamesoni - Ibex | Türkiye | A. audax (147302 147326) | |
| Jamesoni - Ibex | Hungary (Veszprém Megye) | A. apertum (78404) | |
| Margaritatus | Italy | A. grandonense (196628 196676) A. sp. (196620) | |
| Margaritatus | Hungary | A. audax (109099 109106 109492 109494 109496 109498 109506 109519 109577 109690) A. grandonense (109098 109109) A. grandonense, A. audax (109103 109105 109111) | |
| Margaritatus | Chile | A. audax (181770) | |
| Pliensbachian | Hungary | A. sp. (154742) | |
| Bifrons | Tunisia | A. sp. (170613) | |
| Bifrons | Italy | A. dorcadis (147028 147031) |