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Euptychoceras
Taxonomy
Euptychoceras was named by Breistroffer (1952) [Sepkoski's age data: K Haut-l K Barr-l]. Its type is Ptychoceras meyrati.
It was assigned to Ptychoceratidae by Murphy (1975), Avram and Gradinaru (1993) and Reboulet (1996); to Ammonoidea by Sepkoski (2002); and to Bochianitidae by Klein et al. (2007).
It was assigned to Ptychoceratidae by Murphy (1975), Avram and Gradinaru (1993) and Reboulet (1996); to Ammonoidea by Sepkoski (2002); and to Bochianitidae by Klein et al. (2007).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Euptychoceras Breistroffer |
| 1975 | Euptychoceras Murphy p. 20 |
| 1993 | Euptychoceras Avram and Gradinaru p. 672 |
| 1996 | Euptychoceras Reboulet p. 180 |
| 2002 | Euptychoceras Sepkoski |
| 2007 | Euptychoceras Klein et al. p. 9 |
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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. †Euptychoceras Breistroffer 1952
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†Euptychoceras borzai Vasicek and Michalik 1988
†Euptychoceras curnieri Thieuloy 1972
†Euptychoceras jordanese Murphy 1975
†Euptychoceras meyrati Ooster 1860
†Euptychoceras teschenense Uhlig 1902
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Valanginian or 140.20000 to 121.40000 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Valanginian | Romania | E. teschenense (69198) | |
| Early/Lower Hauterivian | France | E. curnieri (202673 202678 202680 202681 202682) | |
| Late/Upper Hauterivian | Italy | Ptychoceras meyrati (65611 65612 65613 65614) | |
| Late/Upper Hauterivian | Hungary | E. meyrati (86359) E. sp. (86353 86355 86357) Ptychoceras meyrati (61566) | |
| Hauterivian | Czech Republic | E. borzai (2119) | |
| Hauterivian - Barremian | Slovakia | E. meyrati (2060) | |
| Early/Lower Barremian | Hungary | E. sp. (86348) | |
| Early/Lower Aptian | Italy | Ptychoceras meyrati (82835 82837) |