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Schizogonium
Taxonomy
Schizogonium was named by Kokn (1889) [Sepkoski's age data: Tr Ladi-u Sepkoski's reference number: 797]. It is the type genus of Schizogoniidae, Schizogonioidea.
It was assigned to Archaeogastropoda by Sepkoski (2002); and to Schizogoniidae by Bouchet et al. (2005), Bandel (2009), Nützel and Kaim (2014), Monari and Dellantonio (2024).
It was assigned to Archaeogastropoda by Sepkoski (2002); and to Schizogoniidae by Bouchet et al. (2005), Bandel (2009), Nützel and Kaim (2014), Monari and Dellantonio (2024).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Schizogonium Kokn |
| 2002 | Schizogonium Sepkoski |
| 2005 | Schizogonium Bouchet et al. p. 155 |
| 2009 | Schizogonium Bandel p. 12 |
| 2014 | Schizogonium Nützel and Kaim p. 412 |
| 2024 | Schizogonium Monari and Dellantonio p. 25 |
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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. †Schizogonium Kokn 1889
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†Schizogonium ampezzanum Bandel 1991
†Schizogonium brandis Klipstein 1843
†Schizogonium canavarii Tommasi 1913
†Schizogonium elevatum Kittl 1891
†Schizogonium gracilis Braun 1841
†Schizogonium impressum Kittl 1891
†Schizogonium lamellosum Bandel 1991
†Schizogonium laubei Kittl 1891
†Schizogonium letiziae Dominici 2024
†Schizogonium pentagonum Yu et al. 1974
†Schizogonium scalare Münster 1841
†Schizogonium serratum Münster 1841
†Schizogonium subcostatum Münster 1841
†Schizogonium subdentatum Münster 1841
†Schizogonium tamarinum Bandel 1991
†Schizogonium tetraptychum Kittl 1891
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 23 | 3.50 | 0.900 | 8.80 | 4.10 | 3.08 |
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| Source: supero = superorder, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Collections (31 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | China (Guizhou) | S. pentagonum (98055) | |
| Pelsonian - Illyrian | China (Guizhou) | S. pentagonum (31618 31620 31621 31622 31623) | |
| Illyrian | Italy | S. canavarii (233835 233859) | |
| Ladinian | Italy | S. subcostatum (138255) | |
| Longobardian | Italy | S. letiziae (236005) S. subcostatum (236004) S. subcostatum, S. letiziae (236003) | |
| Julian | Italy | Pleurotomaria brandis (145649) Pleurotomaria scalaris, Pleurotomaria subcostata, Schizostoma gracilis, Schizostoma serrata, Pleurotomaria subdentata (137429) S. laubei (144632 163817 163818) S. scalare (69671 69688 144634) S. scalare, S. serratum, S. lamellosum, S. ampezzanum, S. tamarinum, S. elevatum (137424) S. scalare, S. subcostatum, S. ampezzanum, S. tamarinum, S. elevatum (137430) S. scalare, S. subcostatum, S. serratum, S. subdentatum, S. elevatum, S. impressum, S. tetraptychum (144631) S. serratum (69665 69670) S. subcostatum, S. serratum, S. subdentatum, S. ampezzanum (137427) S. tamarinum (69263) | |
| Carnian | Hungary (Bakony) | S. scalare (203210) S. serratum (203277) | |
| Carnian | Italy | S. serratum (164208) | |
| Carnian | Italy (South Tyrol) | S. serratum (205149) |