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Stenozone
Taxonomy
Glabrocingulum (Stenozone) was named by Batten (1972) [Sepkoski's age data: P Guad-u Sepkoski's reference number: 109]. Its type is Glabrocingulum (Stenozone) nodosuturala.
It was reranked as Stenozone by Sepkoski (2002), Wagner (2023).
It was assigned to Glabrocingulum by Batten (1972); to Archaeogastropoda by Sepkoski (2002); and to Glabrocingulides by Wagner (2023).
It was reranked as Stenozone by Sepkoski (2002), Wagner (2023).
It was assigned to Glabrocingulum by Batten (1972); to Archaeogastropoda by Sepkoski (2002); and to Glabrocingulides by Wagner (2023).
Subtaxa
Glabrocingulum (Stenozone) argentinus, Glabrocingulum (Stenozone) carlsbadensis, Glabrocingulum (Stenozone) johnstonei, Glabrocingulum (Stenozone) lyndonensis, Glabrocingulum (Stenozone) nodosuturala (type species), Glabrocingulum (Stenozone) pleurotomariformis, S. biondii, S. costatiformis, S. elegans, S. orientalis, S. spiralis
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. †Stenozone Batten 1972
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†Glabrocingulum (Stenozone) argentinus Reed 1927
†Glabrocingulum (Stenozone) carlsbadensis Batten 1989
†Glabrocingulum (Stenozone) johnstonei Dickins 1961
†Glabrocingulum (Stenozone) lyndonensis Dickins 1957
†Glabrocingulum (Stenozone) nodosuturala Batten 1972
†Glabrocingulum (Stenozone) pleurotomariformis Delpey 1941
†Stenozone biondii Gemmellaro 1889
†Stenozone costatiformis Swart 1998
†Stenozone elegans Swart 1998
†Stenozone orientalis Roemer 1880
†Stenozone spiralis Mazaev 2019
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1972 | Turbiniform to trochiform shells with a narrow selenizone; wide to narrow depression adjacent to suture; dominant spiral ornament; shell shape variable; early whorls smooth, flattened to gently convexo-concave; shell shape dependent, in part, by relative width of flat to concave area adjacent to suture and in part by the relative convexity of whorl; selenizone narrow, faintly to moderately strongly bordered; sutures embrace whorls slightly below lower selenizone margin; ornament dominantly spiral cords, collabral ornament subdued except for interference nodes; nodes common at ornament intersections, more strongly developed near suture and next to umbilicus; hemiomphalus to cryptomphalus; reflexed columellar lip with funicle or callus. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 4 | 9.05 | 7.00 | 12.0 | 9.00 | 2.22 | |
| shell height | 16 | 16.1 | 3.00 | 36.5 | 21.0 | 10.7 | |
| shell diameter | 16 | 15.4 | 6.80 | 35.1 | 15.8 | 10.6 |
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: base of the Bashkirian to the top of the Capitanian or 323.40000 to 259.51000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bashkirian | Argentina (Chabut) | Glabrocingulum argentinus (152925) | |
| Bashkirian - Moscovian | Argentina | Glabrocingulum argentinus (64407 64622 88689 152934) | |
| Bashkirian - Moscovian | Argentina (Chabut) | Glabrocingulum argentinus (152933) | |
| Asselian | Russian Federation (Bashkortostan) | S. spiralis (202159 220885) | |
| Sakmarian | Australia (Western Australia) | Mourlonia lyndonensis (85985 107312) | |
| Artinskian | Argentina (Chubut) | Glabrocingulum argentinus (152898 152899) | |
| Kungurian | Malaysia (Perak) | Glabrocingulum nodosuturala, Glabrocingulum pleurotomariformis (62131) | |
| Kungurian | Australia (Western Australia) | Glabrocingulum johnstonei (84344) Platyteichum johnstonei (106690 107318 107319) S. costatiformis (83213) | |
| Roadian | Australia (Western Australia) | Glabrocingulum costatiformis, Glabrocingulum elegans (84571) Platyteichum johnstonei (83635) | |
| Roadian - Wordian | Indonesia (Sumatra) | Pleurotomaria orientalis (121984) | |
| Guadalupian | China (Nei Mongol) | Mourlonia lyndonensis (226940) | |
| Wordian | Italy | Pleurotomaria biondii (108672) | |
| Capitanian | Cambodia | Worthenia pleurotomariformis (107273 107276 107282) | |
| Capitanian | USA (New Mexico) | Glabrocingulum carlsbadensis (101801) | |
| Capitanian | Pakistan | Pleurotomaria orientalis (127033) |