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Gyrodes (Sohlella)
Taxonomy
Gyrodes (Sohlella) was named by Popenoe et al. (1987) [Sepkoski's age data: K Ceno K Maes]. Its type is Gyrodes canadensis.
It was reranked as Sohlella by Sepkoski (2002).
It was assigned to Gyrodes by Popenoe et al. (1987) and Kosnik (2002); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Sohlella by Sepkoski (2002).
It was assigned to Gyrodes by Popenoe et al. (1987) and Kosnik (2002); and to Neotaenioglossa by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1987 | Gyrodes (Sohlella) Popenoe et al. p. 78 |
2002 | Gyrodes (Sohlella) Kosnik |
2002 | Sohlella 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.
Subg. †Gyrodes (Sohlella) Popenoe et al. 1987
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†Gyrodes (Sohlella) banites Popenoe et al. 1987
†Gyrodes (Sohlella) canadensis Whiteaves 1903
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Invalid names: Gyrodes excavatus Whiteaves 1879 [synonym]
Gyrodes (Sohlella) expansus Gabb 1864
Gyrodes (Sohlella) greeni Murphy and Rodda 1960
†Gyrodes (Sohlella) pacificus Popenoe et al. 1987
†Gyrodes (Sohlella) quercus Popenoe et al. 1987
†Gyrodes (Sohlella) spillmani Gabb 1861
†Gyrodes (Sohlella) yolensis Popenoe et al. 1987
Diagnosis
Reference | Diagnosis | |
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W. P. Popenoe et al. 1987 | Species of Gyrodes with a usually tabulate, asymmetrically inflated whorl that is roundest anteriorly and has a biangulate to subrounded umbilical margin. The tabulation usually bears a slightly concave band. |
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
Maximum range based only on fossils: base of the Turonian to the top of the Late/Upper Maastrichtian or 93.90000 to 66.00000 Ma
Minimum age of oldest fossil (stem group age): 89.8 Ma
Minimum age of oldest fossil (stem group age): 89.8 Ma
Collections (116 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Cretaceous | USA (California) | Gyrodes canadensis (193032) | |
Turonian | USA (California) | Gyrodes expansus (44217) Gyrodes yolensis (176026) | |
Coniacian | USA (California) | Gyrodes quercus (72037) | |
Coniacian - Santonian | USA (California) | Gyrodes quercus (185441 185448) | |
Santonian | USA (California) | Gyrodes banites (86781 86954 215307) Gyrodes banites, Gyrodes quercus (86955) Gyrodes quercus (72055 86780) | |
Early/Lower Santonian | USA (California) | Gyrodes banites (220411) Gyrodes quercus (207435 215293) | |
Late/Upper Santonian | USA (California) | Gyrodes banites (207433) Gyrodes quercus (215319) | |
Campanian | USA (California) | Gyrodes canadensis (69310) Gyrodes expansus (168011) | |
Campanian | USA (Washington) | Gyrodes canadensis (86868) | |
Early/Lower Campanian | USA (California) | Gyrodes canadensis (3890 86786 210586) Gyrodes expansa (3885) | |
Early/Lower Campanian - Middle Campanian | USA (Mississippi) | Gyrodes spillmani (6655 6660 7456 7457 7458 32140) | |
Late/Upper Campanian | USA (California) | Gyrodes canadensis (1513 1515 1516 1517 1518 1525 1537 1545 1548) Gyrodes expansa (72057 219077) Gyrodes pacificus (86794 185168) | |
Middle Campanian | USA (California) | Gyrodes pacificus, Gyrodes canadensis (144764) | |
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) | |
Maastrichtian | USA (California) | Gyrodes expansus (83792 176930 185703) | |
Early/Lower Maastrichtian | USA (Georgia) | Gyrodes spillmani (4266 4267 4277 4279) | |
Early/Lower Maastrichtian | USA (California) | Gyrodes expansus (177888) | |
Early/Lower Maastrichtian | USA (Alabama) | Gyrodes spillmani (4239 4247 4254 4256 4263 4264 4283) | |
Early/Lower Maastrichtian | Mexico (Baja California) | Gyrodes pacificus (72108) | |
Early/Lower Maastrichtian | USA (Mississippi) | Gyrodes spillmani (4101 7473 7476 7586 7590 7592 7593) | |
Early/Lower Maastrichtian | USA (Maryland) | Gyrodes spillmani (125950) | |
Late/Upper Maastrichtian | USA (Texas) | Gyrodes spillmani (4399 4400 4401 4413 4414 4500 4501) | |
Late/Upper Maastrichtian | USA (Tennessee) | Gyrodes spillmani (4121) | |
Late/Upper Maastrichtian | USA (Alabama) | Gyrodes spillmani (4178 4179 4180 4186 4193 4203 4205 4230) | |
Late/Upper Maastrichtian | USA (Mississippi) | Gyrodes spillmani (4124 4127 4132 4136 4137 4141 4142 4147 4150 4157 4160) | |
Late/Upper Maastrichtian | USA (South Carolina) | Gyrodes spillmani (4346) | |
Late/Upper Maastrichtian | USA (Maryland) | Gyrodes spillmani (4364 4365 4368 4369 4370 4371 4372 4373) | |
Late/Upper Maastrichtian | USA (California) | Gyrodes expansus (177889 219051) | |
Late/Upper Maastrichtian | USA (Missouri) | Gyrodes spillmani (4385) |