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Spiroscala
Taxonomy
Spiroscala was named by Knight (1945) [Sepkoski's age data: D Emsi P Tatr Sepkoski's reference number: 157,797]. It is not extant. Its type is Spiroscala pagoda.
It was assigned to Ptychomphalides by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Eotomariinae by Karapunar and Nützel (2022).
It was assigned to Ptychomphalides by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Eotomariinae by Karapunar and Nützel (2022).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Spiroscala Knight |
| 1960 | Spiroscala Knight et al. p. 204 |
| 2002 | Spiroscala Sepkoski |
| 2022 | Spiroscala Karapunar and Nützel p. 29 |
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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. †Spiroscala Knight 1945
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†Spiroscala acuminata Thomas 1940
†Spiroscala conoides Meek and Worthen 1867
†Spiroscala decorata Hoare et al. 1997
†Spiroscala elegans Mazaev 2019
†Spiroscala georgiannae Kues and Batten 2001
†Spiroscala intermedia de Koninck 1883
†Spiroscala intricata Batten 1966
†Spiroscala pagoda Knight 1945
†Spiroscala pulchra Batten 1958
†Spiroscala quasipulchra Karapunar and Nützel 2022
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Invalid names: Euconospira pulchra Batten 1958 [replaced]
†Spiroscala rockymontana Girty 1934
†Spiroscala shwedagoniformis Karapunar and Nützel 2022
†Spiroscala solida Hyde 1953
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 15 | 13.8 | 8.04 | 28.7 | 13.0 | 5.50 | |
| shell diameter | 15 | 12.1 | 7.24 | 20.1 | 13.0 | 3.59 |
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| Source: superf = superfamily, o = order | |||||
| References: Wagner 2023, Bambach et al. 2007 | |||||
Age range: base of the Famennian to the top of the Changhsingian or 372.15000 to 251.90200 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | Germany (Nordrhein-Westfalen) | Ptychomphalus intermedius (38299) | |
| Mississippian | USA (Indiana) | S. sp. (224229) | |
| Osagean | USA (Indiana) | S. sp. (567) | |
| Osagean | USA (Ohio) | Mourlonia solida (93067) | |
| Visean | United Kingdom (Scotland) | Neilsonia acuminata (97734) | |
| Brigantian | Poland (Malopolskie) | S. intermedia (101993) | |
| Brigantian | United Kingdom (England) | Neilsonia acuminata (73421) S. intricata (57131) | |
| Morrowan | USA (Oklahoma) | S. shwedagoniformis (224924) | |
| Kashirian - Myachkovian | USA (New Mexico) | S. n. sp. (46548) | |
| Desmoinesian | USA (New Mexico) | S. georgiannae, S. rockymontana (46536) | |
| Missourian | USA (Texas) | S. georgiannae (225048) S. pagoda (156737) | |
| Gzhelian | USA (Texas) | Euconospira pulchra (43476 43477) | |
| Virgilian | USA (Texas) | S. pagoda (217941) | |
| Asselian | Russian Federation (Bashkortostan) | S. elegans (202159) | |
| Sakmarian | USA (Texas) | Euconospira pulchra (101775) | |
| Artinskian | USA (Texas) | Euconospira pulchra (43559) | |
| Kungurian | USA (Texas) | Euconospira pulchra (43495 43513 43515 43517 43562) Euconospira pulchra, S. pulchra (43491) S. pulchra (75884) | |
| Roadian | USA (Texas) | Euconospira pulchra (81640 101767) Euconospira pulchra, S. pulchra (43512) S. pulchra (43551 43563) | |
| Wuchiapingian | Greece | S. sp. (64176) | |
| Wuchiapingian | Japan | S. sp. (113881) | |
| Changhsingian | Japan | S. sp. (107599 107607 113883) |