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Glyptospira tricostata
Taxonomy
Glyptospira tricostata was named by Erwin (1988). Its type specimen is USNM 419284, a shell, and it is a 3D body fossil. Its type locality is USNM724, Gym Peak, Florida Mountains, which is in a Sakmarian shallow subtidal limestone in the Alacran Mountain Formation of New Mexico.
Entered
by P. Wagner on 2006-09-05; modified by M. Clapham on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Glyptospira tricostata Erwin |
| 2012 | Glyptospira tricostata Nützel and Nakazawa p. 120 figs. 11L-P |
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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.
†Glyptospira tricostata Erwin 1988
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 4.99 | 3.50 | 9.40 | 4.40 | 1.82 | |
| shell diameter | 11 | 2.46 | 1.90 | 3.20 | 2.45 | 0.535 |
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Bambach et al. 2007, Bandel et al. 2002, Kiessling 2004 | |||||
Age range: base of the Sakmarian to the top of the Capitanian or 293.52000 to 259.51000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | USA (New Mexico) | Glyptospira tricostata (type locality: 121451) | |
| Kungurian | USA (Texas) | Glyptospira tricostata (43491) | |
| Capitanian | Japan | Glyptospira tricostata (109667) |