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Xenocheilus
Taxonomy
Xenocheilus was named by Shimansky (1957) [Sepkoski's age data: J u K Barr Sepkoski's reference number: 524]. Its type is Nautilus malbosi.
It was assigned to Nautilida by Sepkoski (2002); and to Pseudonautilidae by Shimansky (1957), Teichert et al. (1964), Shimansky (1975), Jain et al. (2024).
It was assigned to Nautilida by Sepkoski (2002); and to Pseudonautilidae by Shimansky (1957), Teichert et al. (1964), Shimansky (1975), Jain et al. (2024).
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Xenocheilus Shimansky p. 129 |
| 1964 | Xenocheilus Teichert et al. p. 451 |
| 1975 | Xenocheilus Shimansky p. 128 |
| 2002 | Xenocheilus Sepkoski |
| 2024 | Xenocheilus Jain et al. p. 1502 |
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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. †Xenocheilus Shimansky 1957
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†Xenocheilus dumasi Pictet 1867
†Xenocheilus granulosus Palmer 1965
†Xenocheilus krenkeli Jeannet 1951
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Invalid names: Pseudaganides pulchellus Tinant 2002 [synonym]
†Xenocheilus malbosi Pictet 1867
†Xenocheilus minutum Wilson 1949
†Xenocheilus ulixis Shimansky 1957
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 60.0 | |||||
| shell diameter | 1 | 90.0 | |||||
| shell inflation | 1 | 7.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Callovian to the top of the Early/Lower Hauterivian or 165.30000 to 125.77000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Callovian | Switzerland | Nautilus krenkeli (171564 171565) | |
| Early/Lower Oxfordian | Switzerland | Nautilus krenkeli (171566 171567) | |
| Early/Lower Oxfordian | Poland | X. krenkeli (235871) | |
| Late/Upper Oxfordian | Poland | X. krenkeli (235874) | |
| Early/Lower Hauterivian | Ukraine | X. ulixis (165964) | |
| Hauterivian - Barremian | Ukraine | X. ulixis (165648) |