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Donaldospira geminocarinata
Taxonomy
Murchisonia geminocarinata was named by Chronic (1952). Its type specimen is Mus N. Ariz G2.353, a shell, and it is a 3D body fossil. Its type locality is Rimmy Jim Tank, Kaibab Formation, Coconino County, which is in a Roadian marine limestone in the Kaibab Formation of Arizona.
It was recombined as Goniasma geminocarinata by Batten (1964), Yochelson and Saunders (1967), Yancey (1969), Kulas and Batten (1997); it was recombined as Stegocoelia (Donaldospira) geminocarinata by Kues and Batten (2001); it was recombined as Donaldospira geminocarinata by Quiroz-Barroso et al. (2021), Wagner (2023).
It was recombined as Goniasma geminocarinata by Batten (1964), Yochelson and Saunders (1967), Yancey (1969), Kulas and Batten (1997); it was recombined as Stegocoelia (Donaldospira) geminocarinata by Kues and Batten (2001); it was recombined as Donaldospira geminocarinata by Quiroz-Barroso et al. (2021), Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Murchisonia geminocarinata Chronic pp. 123 - 124 figs. pl. 4 f. 12-14 |
| 1964 | Goniasma geminocarinata Batten pp. 14 - 15 figs. f. 16 - 18 |
| 1967 | Goniasma geminocarinata Yochelson and Saunders |
| 1969 | Goniasma geminocarinata Yancey p. 12 fig. 16 |
| 1997 | Goniasma geminocarinata Kulas and Batten pp. 49, 50 figs. pl. 4 f. 1-2 |
| 2001 | Stegocoelia (Donaldospira) geminocarinata Kues and Batten p. 45 |
| 2021 | Donaldospira geminocarinata Quiroz-Barroso et al. p. 7 fig. 3.10 |
| 2023 | Donaldospira geminocarinata Wagner p. 5806 |
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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.
†Donaldospira geminocarinata Chronic 1952
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 15.3 | 7.60 | 27.0 | 15.0 | 5.94 | |
| shell diameter | 17 | 6.03 | 3.30 | 11.8 | 6.35 | 2.71 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Artinskian to the top of the Wuchiapingian or 290.10000 to 254.14000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Nevada) | Goniasma geminocarinata (120946) | |
| Roadian | USA (Arizona) | Goniasma geminocarinata (94884 101777 101778 101779) Murchisonia geminocarinata (39999 type locality: 40001) | |
| Roadian | USA (Wyoming) | Goniasma geminocarinata (61938) | |
| Roadian | Mexico (Chiapas) | Donaldospira geminocarinata (220048) | |
| Wuchiapingian | USA (Wyoming) | Goniasma geminocarinata (61936 61937 61948) |