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Cylindritopsis
Taxonomy
Cylindritopsis was named by Gemmellaro (1889) [Sepkoski's age data: C Mosc-u P Dora Sepkoski's reference number: 1,109,797,1130].
It was reranked as Soleniscus (Cylindritopsis) by Knight (1931).
It was assigned to Soleniscus by Knight (1931); to Neotaenioglossa by Sepkoski (2002); to Soleniscidae by Pan and Erwin (2002), Bandel (2002); and to Soleniscinae by Knight et al. (1960), Nützel et al. (2000), Nützel and Ketwetsuriya (2016).
It was reranked as Soleniscus (Cylindritopsis) by Knight (1931).
It was assigned to Soleniscus by Knight (1931); to Neotaenioglossa by Sepkoski (2002); to Soleniscidae by Pan and Erwin (2002), Bandel (2002); and to Soleniscinae by Knight et al. (1960), Nützel et al. (2000), Nützel and Ketwetsuriya (2016).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Cylindritopsis Gemmellaro p. 113 |
| 1931 | Soleniscus (Cylindritopsis) Knight p. 223 |
| 1941 | Angkorella Delpey p. 272 |
| 1960 | Cylindritopsis Knight et al. |
| 2000 | Cylindritopsis Nützel et al. p. 595 |
| 2002 | Cylindritopsis Bandel |
| 2002 | Cylindritopsis Pan and Erwin |
| 2002 | Cylindritopsis Sepkoski |
| 2016 | Cylindritopsis Nützel and Ketwetsuriya p. 506 |
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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. †Cylindritopsis Gemmellaro 1889
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†Cylindritopsis altica Wang 1980
†Cylindritopsis callosa Wang 1980
†Cylindritopsis cheilodonta Gemmellaro 1889
†Cylindritopsis conica Gemmellaro 1889
†Cylindritopsis cordiformis Xi 1974
†Cylindritopsis gemmelaroi Greco 1937
†Cylindritopsis hamiltonae Erwin 1988
†Cylindritopsis inflata Gemmellaro 1889
†Cylindritopsis insolitus Chronic 1952
†Cylindritopsis minima Gemmellaro 1889
†Cylindritopsis ovalis Gemmellaro 1889
†Cylindritopsis sisophonensis Delpey 1941
†Cylindritopsis spheroides Erwin 1988
†Cylindritopsis vaningeni Knight 1931
Invalid names: Angkorella Delpey 1941 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Knight 1931 | Form robust or slender; moderately to strongly developed siphonal fold. Siphonal and posterior folds both strongly developed, the latter on the parietal wall; inductura thickened |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 22 | 6.96 | 1.79 | 31.9 | 6.65 | 6.40 | |
| shell diameter | 22 | 2.21 | 1.22 | 3.40 | 2.60 | 1.10 |
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| Source: f = family, o = order | |||||
| References: Wagner 2023, Bambach et al. 2007 | |||||
Age range: base of the Desmoinesian to the top of the Changhsingian or 312.80000 to 251.90200 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kashirian - Myachkovian | USA (New Mexico) | Oncochilus vaningeni (46548) | |
| Desmoinesian | USA (New Mexico) | C. vaningeni (46536) | |
| Desmoinesian | USA (Texas) | C. vaningeni (11100) | |
| Kungurian | Mexico (Sonora) | Oncochilus insolitus (52099) | |
| Kungurian | Malaysia (Perak) | C. sp. (62131) | |
| Kungurian | USA (New Mexico) | Cylindritopsis indet. (10139) | |
| Kungurian | USA (Arizona) | Oncochilus insolitus (52898 95353 120746 120747) | |
| Kungurian | USA (Texas) | C. hamiltonae (43496 43515 43560 75923 81638 106286) C. insolitus (43491) C. spheroides (43609) | |
| Kungurian | Venezuela (Merida) | C. sp. (41515 41516) | |
| Roadian | USA (Texas) | C. hamiltonae (81640 101767) C. insolitus (43512 43553 81693) | |
| Roadian | USA (Arizona) | Oncochilus insolitus (40001) | |
| Wordian | Italy | C. ovalis, C. inflatus, C. minimus, C. cheilodontus, C. conicus (108672) | |
| Wordian | Thailand | C. spheroides (181783) | |
| Capitanian | Tunisia (Madanin) | C. ovalis (42097 42098) | |
| Capitanian | Cambodia | Angkorella sisophonensis (107282) | |
| Wuchiapingian | China (Guangxi) | C. sp. (50025) | |
| Wuchiapingian | China (Guizhou) | C. altica (112006) C. altica, C. callosa (112004) C. callosa (111995) C. cordiformis (98073) | |
| Changhsingian | China (Guangxi) | C. altica (56892) C. sp. (120146) | |
| Changhsingian | China (Guizhou) | C. altica (112012 112134) C. altica, C. callosa (112085) C. callosa (112009) |