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Moremanoceras
Taxonomy
Moremanoceras was named by Cobban (1972) [Sepkoski's age data: K Ceno-m Sepkoski's reference number: 901]. Its type is Tragodesmoceras scotti.
It was reranked as Desmoceras (Moremanoceras) by Cobban (1972).
It was assigned to Desmoceras by Cobban (1972); to Desmoceratidae by Kennedy and Cobban (1993); to Ammonoidea by Sepkoski (2002); and to Desmoceratinae by Kennedy et al. (1988), Kennedy and Cobban (1990) and Kennedy (2005).
It was reranked as Desmoceras (Moremanoceras) by Cobban (1972).
It was assigned to Desmoceras by Cobban (1972); to Desmoceratidae by Kennedy and Cobban (1993); to Ammonoidea by Sepkoski (2002); and to Desmoceratinae by Kennedy et al. (1988), Kennedy and Cobban (1990) and Kennedy (2005).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Desmoceras (Moremanoceras) Cobban p. 5 |
| 1972 | Moremanoceras Cobban p. 5 |
| 1988 | Moremanoceras Kennedy et al. p. 35 |
| 1990 | Moremanoceras Kennedy and Cobban p. 386 |
| 1993 | Moremanoceras Kennedy and Cobban p. 330 |
| 2002 | Moremanoceras Sepkoski |
| 2005 | Moremanoceras Kennedy p. 355 |
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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. †Moremanoceras Cobban 1972
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†Moremanoceras costatum Cobban et al. 1989
†Moremanoceras elgini Young 1958
†Moremanoceras flexuosum Kennedy 2005
†Moremanoceras montanaense Kennedy and Cobban 1990
†Moremanoceras scotti Moreman 1942
†Moremanoceras straini Kennedy et al. 1988
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 18.9 | 7.20 | 36.0 | 20.3 | 9.91 | |
| shell diameter | 9 | 36.6 | 18.2 | 60.5 | 36.7 | 17.4 | |
| shell inflation | 9 | 3.18 | 0.700 | 11.4 | 3.30 | 3.68 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian - Turonian | USA (Texas) | Desmoceras scotti (234310) | |
| Early/Lower Cenomanian | USA (Texas) | M. elgini (88566 88567 88568 88569 88570 88571) M. flexuosum (175109) | |
| Late/Upper Cenomanian | USA (Wyoming) | M. costatum (167809 175371) M. scotti (175424) | |
| Late/Upper Cenomanian | USA (Arizona) | Desmoceras scotti (53507 54164 55815 55816 176939) | |
| Late/Upper Cenomanian | USA (New Mexico) | M. montanaense (175426) M. scotti (230782 230784) | |
| Late/Upper Cenomanian | USA (Montana) | M. costatum (175372 175423) | |
| Late/Upper Cenomanian | USA (Colorado) | Desmoceras scotti (78164) | |
| Middle Cenomanian | USA (Montana) | M. straini, M. montanaense (175422) | |
| Middle Cenomanian | USA (New Mexico) | M. straini (178790) |