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Margaritella
Taxonomy
Margaritella was named by Meek and Hayden (1860) [Sepkoski's age data: K Camp-l].
It was assigned to Architectonicidae by Sohl (1960); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Architectonicidae by Sohl (1960); and to Neotaenioglossa by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
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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. †Margaritella Meek and Hayden 1860
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†Margaritella globosa Gabb 1864
†Margaritella kokeni Böhm 1891
†Margaritella stellata Guembel 1861
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| N. F. Sohl 1960 | Small thin discoidal shell with nacreous inner shell layer; umbilicus deep, open, and moderately wide; umbilical margin crenulate. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Cenomanian to the top of the Early/Lower Maastrichtian or 100.50000 to 66.00000 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (California) | M. globosa (167603) | |
| Late/Upper Campanian | USA (Delaware) | M. sp. (6157 6171 6174 6175 6176) | |
| Late/Upper Campanian | Germany | M. kokeni, M. stellata (221859) | |
| Maastrichtian | USA (New Jersey) | M. pumila (4380) | |
| Maastrichtian | USA (California) | M. sp. (185758) | |
| Maastrichtian | USA (Mississippi) | M. pumila (7527 7600) | |
| Maastrichtian | USA (Texas) | M. pumila (7570) | |
| Early/Lower Maastrichtian | USA (Alabama) | M. pumila (4248 4252 4259) M. sp. (4255) | |
| Early/Lower Maastrichtian | Germany | M. kokeni, M. stellata (213668) | |
| Early/Lower Maastrichtian | USA (Mississippi) | M. pumila (7479 7586 7591 7592 7593) | |
| Late/Upper Maastrichtian | USA (Texas) | M. pumila (4426 4427 4435 4440 4441 4446 4448 4453 4454 4455 4491) M. sp. (4490) | |
| Late/Upper Maastrichtian | USA (Alabama) | M. sp. (4174 4201 4205) | |
| Late/Upper Maastrichtian | USA (South Carolina) | M. pumila (4344) | |
| Late/Upper Maastrichtian | USA (Mississippi) | M. sp. (4143 4147 4158 4163) |