Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Gyrodes (Sohlella) spillmani
Taxonomy
Gyrodes spillmani was named by Gabb (1861) [m. kosnik taxon no: 1586].
It was recombined as Gyrodes (Sohlella) spillmani by Dockery (1993).
It was recombined as Gyrodes (Sohlella) spillmani by Dockery (1993).
Sister 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.
†Gyrodes (Sohlella) spillmani Gabb 1861
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Diagnosis
Reference | Diagnosis | |
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D. T. Dockery 1993 | Small sized, thin-shelled Gyrodes having a narrow and depressed subsutural ramp with a raised, smooth, broadly rounded shoulder, and evenly rounded basal and umbilical margins. |
Measurements
No measurements are available
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Source: g = genus, f = family, c = class | |||||
References: Aberhan et al. 2004, Kiessling 2004 |
Age range: base of the Maastrichtian to the top of the Early/Lower Maastrichtian or 72.10000 to 66.00000 Ma
Collections (71 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Campanian - Middle Campanian | USA (Mississippi) | Gyrodes spillmani (6655 6660 7456 7457 7458 32140) | |
Late/Upper Campanian - Early/Lower Maastrichtian | USA (Tennessee) | Gyrodes spillmani (7515) | |
Maastrichtian | USA (Mississippi) | Gyrodes spillmani (7506 205512) | |
Maastrichtian | USA (Tennessee) | Gyrodes spillmani (205445) | |
Maastrichtian | USA (Texas) | Gyrodes spillmani (4586 4601 4609 7528 7541) | |
Early/Lower Maastrichtian | USA (Alabama) | Gyrodes spillmani (4239 4247 4254 4256 4263 4264 4283) | |
Early/Lower Maastrichtian | USA (Maryland) | Gyrodes spillmani (125950) | |
Early/Lower Maastrichtian | USA (Mississippi) | Gyrodes spillmani (4101 7473 7476 7586 7590 7592 7593) | |
Early/Lower Maastrichtian | USA (Georgia) | Gyrodes spillmani (4266 4267 4277 4279) | |
Late/Upper Maastrichtian | USA (Mississippi) | Gyrodes spillmani (4124 4127 4132 4136 4137 4141 4142 4147 4150 4157 4160) | |
Late/Upper Maastrichtian | USA (Maryland) | Gyrodes spillmani (4364 4365 4368 4369 4370 4371 4372 4373) | |
Late/Upper Maastrichtian | USA (Texas) | Gyrodes spillmani (4399 4400 4401 4413 4414 4500 4501) | |
Late/Upper Maastrichtian | USA (South Carolina) | Gyrodes spillmani (4346) | |
Late/Upper Maastrichtian | USA (Alabama) | Gyrodes spillmani (4178 4179 4180 4186 4193 4203 4205 4230) | |
Late/Upper Maastrichtian | USA (Missouri) | Gyrodes spillmani (4385) | |
Late/Upper Maastrichtian | USA (Tennessee) | Gyrodes spillmani (4121) |