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Xenoceltites subevolutus

Cephalopoda - Ceratitida - Xenoceltitidae

Taxonomy
Xenoceltites subevolutus was named by Spath (1930). It is a 3D body fossil. It is the type species of Xenoceltites.

Synonyms
Synonymy list
YearName and author
1929Xenodiscus douglasensis Mathews
1930Xenoceltites subevolutus Spath p. 12
1934Xenoceltites gregoryi Spath
1934Xenoceltites spitsbergensis Spath
1934Xenoceltites subevolutus Spath
1961Xenoceltites subevolutus Tozer p. 53 figs. Pl 16, fig 1
1969Xenoceltites spitsbergensis Kummel
1969Xenoceltites subevolutus Kummel
1978Xenoceltites subevolutus Zakharov figs. Pl 11, fig 17
1990Xenoceltites subevolutus Dagis and Ermakova p. 23 figs. Pl 5, fig 4
1994Xenoceltites subevolutus Tozer p. 52 figs. Pl 36, figs 3-8
1996Xenoceltites subevolutus Dagis et al. p. 91 figs. Pl 49, fig 4
2017Xenoceltites subevolutus Piazza fig. 4A,B
2021Xenoceltites subevolutus Brayard et al. p. 5 figs. 4A-P

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderCeratitidaHyatt 1884
suborderParaceltitinaShevyrev 1968
superfamilyXenodiscoidea(Frech 1902)
familyXenoceltitidaeSpath 1930
genusXenoceltitesSpath 1930
speciessubevolutusSpath 1930

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.

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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]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height810.97.6015.211.13.13
shell diameter825.015.641.026.58.78
shell inflation811.58.1015.012.22.99

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Olenekian or 251.20000 to 247.20000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Triassic252.17 - 247.2USA (Utah) Xenodiscus rotula (33315)
Smithian251.3 - 247.2Russian Federation Xenoceltites subevolutus (107047 127725)
Smithian251.3 - 247.2Canada (Nunavut) Xenoceltites subevolutus (43855)
Smithian251.3 - 247.2Svalbard and Jan Mayen Xenoceltites subevolutus, Xenoceltites spitsbergensis (212269 212270)
Smithian251.3 - 247.2Svalbard and Jan Mayen (Svalbard) Xenoceltites subevolutus (189037)
Smithian251.3 - 247.2Svalbard and Jan Mayen (Spitsbergen) Xenoceltites subevolutus (211370)
Smithian251.3 - 247.2USA (Utah) Xenoceltites subevolutus (224175 224176 224177 224179 224180)
Smithian251.3 - 247.2Canada (British Columbia) Xenoceltites subevolutus (57086 137499)
Spathian251.3 - 247.2Svalbard and Jan Mayen Xenoceltites spitsbergensis, Xenoceltites gregoryi (212084 212087) Xenoceltites subevolutus, Xenoceltites spitsbergensis, Xenoceltites gregoryi (215028)
Olenekian251.2 - 247.2Svalbard and Jan Mayen Xenoceltites subevolutus, Xenoceltites spitsbergensis (212935 212967)