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Pseudaptetoceras
Taxonomy
Pseudaptetoceras was named by Géczy (1966). It is not extant.
It was reranked as Planammatoceras (Pseudaptetoceras) by Westermann and Riccardi (1982).
It was assigned to Planammatoceras by Westermann and Riccardi (1982); and to Hammatoceratinae by Kovács (2009), Howarth (2013).
It was reranked as Planammatoceras (Pseudaptetoceras) by Westermann and Riccardi (1982).
It was assigned to Planammatoceras by Westermann and Riccardi (1982); and to Hammatoceratinae by Kovács (2009), Howarth (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Pseudaptetoceras Géczy |
| 1982 | Planammatoceras (Pseudaptetoceras) Westermann and Riccardi p. 26 |
| 2009 | Pseudaptetoceras Kovács |
| 2013 | Pseudaptetoceras Howarth p. 104 |
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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. †Pseudaptetoceras Géczy 1966
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†Eudmetoceras (Euaptetoceras) klimakomphalum discoidale Westermann 1969
†Planammatoceras (Pseudaptetoceras) moerickei Jaworski 1926
†Planammatoceras (Pseudaptetoceras) tricolore Westermann and Riccardi 1982
†Pseudaptetoceras amaltheiforme Vacek 1886
†Pseudaptetoceras klimakomphalum Vacek 1886
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Invalid names: Deltotoceras corroyi Gerard 1930 [synonym], Hammatoceras discus Merla 1902 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 47.9 | 29.5 | 74.0 | 48.0 | 15.3 | |
| shell diameter | 11 | 98.1 | 56.0 | 162.0 | 100.0 | 32.4 | |
| shell inflation | 11 | 15.3 | 6.90 | 24.0 | 19.5 | 6.84 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Murchisonae to the top of the Early/Lower Bajocian or 174.70000 to 168.60000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aalenian | Canada (Yukon) | Planammatoceras sp. (34186) | |
| Concavum | Argentina (Mendoza) | Planammatoceras tricolore (158129 158133 158134 158135) Planammatoceras tricolore, Planammatoceras moerickei (63845 158127 158128 158131) | |
| Murchisonae | Hungary | P. amaltheiforme (108669) P. klimakomphalum (108624 108625 108668 108718 108723 108724) | |
| Aalenian - Bajocian | Hungary | Hammatoceras klimakomphalum, Hammatoceras amaltheiforme, Hammatoceras discus (64311) | |
| Early/Lower Bajocian | USA (Alaska) | Eudmetoceras klimakomphalum (175614 175622 175652 175672) | |
| Discites | USA (Alaska) | Eudmetoceras klimakomphalum (175619) |