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Xenoceltites
Taxonomy
Xenoceltites was named by Spath (1930) [Sepkoski's age data: Tr Olen-l Sepkoski's reference number: 302]. It is not extant. Its type is Xenoceltites subevolutus. It is the type genus of Xenoceltitidae.
It was assigned to Ceratitida by Sepkoski (2002); and to Xenoceltitidae by Spath (1930), Spath (1934), Kummel and Steele (1962), Kummel (1969), Tozer (1994), Brayard et al. (2013), Shigeta and Nguyen (2014), Smyshlyaeva et al. (2018) and Brayard et al. (2021).
It was assigned to Ceratitida by Sepkoski (2002); and to Xenoceltitidae by Spath (1930), Spath (1934), Kummel and Steele (1962), Kummel (1969), Tozer (1994), Brayard et al. (2013), Shigeta and Nguyen (2014), Smyshlyaeva et al. (2018) and Brayard et al. (2021).
Species
X. cordilleranus (syn. Xenodiscus intermontanus), X. crenoventrosus, X. crenulatus, X. evolutus, X. matheri, X. opimus, X. pauciradiatus, X. praematurus, X. rotula, X. russkiensis (syn. X. minutus), X. spencei, X. subevolutus (syn. X. spitsbergensis, X. gregoryi, Xenodiscus rotula, Xenodiscus douglasensis) (type species), X. subvariocostatus, X. variocostatus, X. youngi, X. ziyunensis
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Xenoceltites Spath |
| 1934 | Xenoceltites Spath |
| 1962 | Xenoceltites Kummel and Steele pp. 669. 671 |
| 1969 | Xenoceltites Kummel |
| 1994 | Xenoceltites Tozer p. 52 |
| 2002 | Xenoceltites Sepkoski |
| 2013 | Xenoceltites Brayard et al. p. 159 |
| 2014 | Xenoceltites Shigeta and Nguyen p. 69 |
| 2018 | Xenoceltites Smyshlyaeva et al. |
| 2021 | Xenoceltites Brayard et al. p. 7 |
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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. †Xenoceltites Spath 1930
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†Xenoceltites cordilleranus Smith 1932
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Invalid names: Xenodiscus intermontanus Smith 1932 [synonym]
†Xenoceltites crenoventrosus Chao 1959
†Xenoceltites crenulatus Guex et al. 2005
†Xenoceltites evolutus Waagen 1895
†Xenoceltites matheri Mathews 1929
†Xenoceltites opimus Guo 1982
†Xenoceltites pauciradiatus Brayard and Bucher 2008
†Xenoceltites praematurus Guo 1982
†Xenoceltites rotula Waagen 1895
†Xenoceltites russkiensis Spath 1934
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Invalid names: Xenoceltites minutus Diener 1895 [replaced]
†Xenoceltites spencei Hyatt and Smith 1905
†Xenoceltites subevolutus Spath 1930
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Invalid names: Xenoceltites gregoryi Spath 1934 [synonym], Xenoceltites spitsbergensis Spath 1934 [synonym], Xenodiscus douglasensis Mathews 1929 [synonym], Xenodiscus rotula Waagen 1895 [synonym]
†Xenoceltites subvariocostatus Zakharov and Smyshlyaeva 2013
†Xenoceltites variocostatus Brayard and Bucher 2008
†Xenoceltites youngi Kummel and Steele 1962
†Xenoceltites ziyunensis Wang 1978
Diagnosis
No diagnoses are available