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Desmoceras (Pseudouhligella) japonicum
Taxonomy
Desmoceras dawsoni japonicum was named by Yabe (1904). It is a 3D body fossil.
It was recombined as Desmoceras (Pseudoughligella) japonicum by McLearn (1972); it was recombined as Desmoceras (Pseudouhligella) japonicum by Murphy and Rodda (1960), Jones (1967), Alabushev (1995).
It was recombined as Desmoceras (Pseudoughligella) japonicum by McLearn (1972); it was recombined as Desmoceras (Pseudouhligella) japonicum by Murphy and Rodda (1960), Jones (1967), Alabushev (1995).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1904 | Desmoceras dawsoni japonicum Yabe p. 35 figs. pl. 5, figs. 3, 4 |
| 1960 | Desmoceras (Pseudouhligella) japonicum Murphy and Rodda p. 854 figs. Pl. 106, figs. 2,3,7,11 |
| 1967 | Desmoceras (Pseudouhligella) japonicum Jones p. 29 figs. Pl 4, figs 10,11 |
| 1972 | Desmoceras (Pseudoughligella) japonicum McLearn p. 47 |
| 1995 | Desmoceras (Pseudouhligella) japonicum Alabushev fig. 4A,B |
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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.
†Desmoceras (Pseudouhligella) japonicum Yabe 1904
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 12.7 | |||||
| shell diameter | 1 | 23.0 | |||||
| shell inflation | 1 | 2.70 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Albian to the top of the Early/Lower Turonian or 113.20000 to 89.80000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | Canada (British Columbia) | Desmoceras japonicum (87505 87506) | |
| Cenomanian | Japan | Desmoceras japonicum (87018) | |
| Cenomanian | USA (Alaska) | Desmoceras japonicum (88621 88622 88913 88936 88937) | |
| Early/Lower Cenomanian | Canada (British Columbia) | Desmoceras japonicum (87696) | |
| Early/Lower Cenomanian | Japan (Hokkaido) | Desmoceras japonicum (62633 62650 62651 70530) | |
| Early/Lower Cenomanian | Russian Federation | Desmoceras japonicum (169546) | |
| Early/Lower Cenomanian | USA (California) | Desmoceras japonicum (1810) | |
| Late/Upper Cenomanian | Japan (Hokkaido) | Desmoceras japonicum (94684) | |
| Middle Cenomanian | USA (California) | Desmoceras japonicum (224960) | |
| Early/Lower Turonian | Russian Federation | Desmoceras japonicum (84218) | |
| Turonian - Coniacian | USA (Alaska) | Desmoceras japonicum (88938) |