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Marshallites
Taxonomy
Marshallites was named by Matsumoto (1955) [Sepkoski's age data: K Ceno K Turo-l]. Its type is Marshallites compressus.
It was assigned to Marshallitinae by Kennedy and Klinger (1985); and to Ammonoidea by Sepkoski (2002).
It was assigned to Marshallitinae by Kennedy and Klinger (1985); and to Ammonoidea by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Marshallites Matsumoto |
| 1985 | Marshallites Kennedy and Klinger p. 167 |
| 2002 | Marshallites Sepkoski |
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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. †Marshallites Matsumoto 1955
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†Marshallites columbianus McLearn 1972
†Marshallites compressus Matsumoto 1955
†Marshallites cumshewaensis Whiteaves 1884
†Marshallites voyanus Anderson 1958
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 25.0 | |||||
| shell diameter | 1 | 60.0 | |||||
| shell inflation | 1 | 18.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Middle Albian to the top of the Coniacian or 109.00000 to 86.30000 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | Canada (British Columbia) | M. columbianus (87482 87673) M. cumshewaensis (87479 87490 87697) M. sp. (87478) M. sp., M. cumshewaensis (87476) | |
| Middle Albian | Russian Federation | M. sp. (160389 160390) | |
| Late/Upper Albian | USA (Alaska) | M. sp. (88620) M. sp., M. cumshewaensis (88619) | |
| Late/Upper Albian | Canada (British Columbia) | M. cumshewaensis (87690 87714 87720) | |
| Late/Upper Albian | Russian Federation | M. cumshewaensis, M. columbianus (169555) | |
| Cenomanian | USA (California) | Kossmaticeras voyanum (158108) | |
| Cenomanian | USA (Alaska) | M. sp. (88916) | |
| Early/Lower Cenomanian | Japan (Hokkaido) | M. olcostephanoides (70536) M. sp. (62634 62649 62650) | |
| Coniacian | Antarctica | M. sp. (83362) | |
| Early/Lower Coniacian | Madagascar | M. cumshewaensis (46613) | |
| Early/Lower Coniacian | South Africa | M. cumshewaensis (82457) |