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Sulcoactaeon
Taxonomy
Sulcoactaeon is a genus. It is not extant.
It was assigned to Cephalaspida by Sepkoski (2002); and to Bullinidae by Gründel and Kaim (2006), Gründel and Nützel (2012).
It was assigned to Cephalaspida by Sepkoski (2002); and to Bullinidae by Gründel and Kaim (2006), Gründel and Nützel (2012).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Ragactaeon Gründel p. 194 figs. pl. 7, figs. 4-7 |
| 2002 | Sulcoactaeon Sepkoski |
| 2006 | Sulcoactaeon Gründel and Kaim p. 150 |
| 2012 | Sulcoactaeon Gründel and Nützel pp. 47 - 48 |
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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. †Sulcoactaeon
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†Sulcoactaeon polonicus Kaim 2004
†Sulcoactaeon striata Lissajous 1923
†Sulcoactaeon viadrinus Schmidt 1905
†Sulcoactaeon wawalensis Kaim 2004
Invalid names: Ragactaeon Gründel 1997 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Gründel and A. Nützel 2012 | See also kaiM (2004) and kaiM & beisel (2005). The shell is slender to broadly oval. The protoconch is smooth and mostly coaxial or almost coaxial with one to two visible whorls. The teleoconch whorls have a narrow, sometimes indistinct ramp with rounded abaxial edge as transition to the whorl flanks. In a few cases, the ramp is more pronounced. The whorls are ornamented with spiral grooves, which are especially frequent on the base and sometimes only present there. The spiral furrow that demarcates the ramp is pronounced in some species. The growth lines are prosocyrt from the suture to the centre of the base. The aperture is narrow oval with acute adapical portion and broad abapical notch. The outer lip is evenly convex. The inner lip is broadened, forming a ledge which covers an umbilical chink. The columellar lip is straight; the parietal lip is oblique and convex; both enclose a blunt angle. |
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Spinatum to the top of the Early/Lower Aptian or 192.90000 to 119.57000 Ma
Collections (84 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Spinatum | Germany | S. sendelbachensis (159446) | |
| Spinatum | Germany (Bavaria) | S. sendelbachensis (25502) | |
| Early/Lower Aalenian | Germany | S. laevis (75982) | |
| Bajocian | Germany | S. subglobosus, Ragactaeon striata (58353) | |
| Late/Upper Bajocian | Poland | Ragactaeon sp. (58289) | |
| Early/Lower Bathonian | Germany | Ragactaeon paucisulcata, Ragactaeon sp. (58324) S. pulloides (58322) | |
| Early/Lower Bathonian - Late/Upper Bathonian | Poland | S. pulloides (58278) | |
| Late/Upper Bathonian | Poland | S. pulloides (58272) S. sp. (141288 141289) | |
| Middle Bathonian | Poland | S. polonicus (63058) S. sp. (141267 141268 141269 141272 141273 141277 141279 141294 141296 141300) | |
| Bathonian - Callovian | Poland | Ragactaeon angulosa (58292) | |
| Bathonian - Callovian | Germany | Ragactaeon angulosa (58374 58414) S. pulloides (58211 58247 58336 58346 58357 58405) S. pulloides, Ragactaeon angulosa (58398) | |
| Bathonian - Middle Callovian | Germany | S. pulloides (58258 58304 58347 58380) | |
| Callovian | Germany | S. erratica (58218 58251) S. erratica, Ragactaeon paucisulcata (58399) S. erratica, S. raresculpta (58375 58381) S. erratica, S. raresculpta, Ragactaeon paucisulcata (58345) S. raresculpta (58328 58333 58342 58348 58358) S. raresculpta, Ragactaeon paucisulcata (58244 58373) | |
| Callovian | Somalia | Cylindrites striatus (92998) | |
| Callovian | Poland | S. erratica, S. raresculpta (58293) | |
| Early/Lower Callovian | Germany | S. erratica (58370) S. erratica, Ragactaeon angulosa (58361) S. pulloides (58372) S. raresculpta (58394) S. sp. (58395) | |
| Early/Lower Callovian - Middle Callovian | Poland | Ragactaeon paucisulcata (58261) S. pulloides (58231) | |
| Late/Upper Callovian | Germany | S. raresculpta (58407) | |
| Callovian - Oxfordian | Somalia | Cylindrites striatus (93017) | |
| Oxfordian - Tithonian | Russian Federation | S. timanicus (66569) | |
| Late/Upper Oxfordian | Poland | S. viadrinus (66972) | |
| Kimmeridgian | Russian Federation | S. bojarkensis (66573) | |
| Tithonian | Russian Federation | S. sp. (66576) | |
| Tithonian | Greenland | S. peroskianus (1201 1210 1212 1214 1249 1253 1258 1262 1272 1273 1274 1409 1473) | |
| Late/Upper Valanginian | Poland | S. sp., S. wawalensis (63065) | |
| Late/Upper Valanginian | Russian Federation | S. allineus (189644) | |
| Valanginian | Russian Federation | S. uralicus (66570) | |
| Barremian | Ukraine | S. ovoideus (67457) | |
| Early/Lower Aptian | United Kingdom (England) | S. marginatus (278535 278536) | |
| Aptian | United Kingdom (England) | S. marginata (1747) |