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Xenodiscus

Cephalopoda - Ceratitida - Xenodiscidae

Synonyms
Synonymy list
YearName and author
1879Xenaspis Waagen
1879Xenodiscus Waagen p. 32
1903Proceratites Kittl
1934Xenodiscus (Xenaspis) Astre p. 84
1944Palaeolecanites Reed p. 366
1975Xenodiscus Spinosa et al. p. 270
2002Xenodiscus Leonova
2002Xenodiscus Sepkoski
2006Xenodiscus Korn
2017Xenodiscus Zhou p. 86
2021Xenodiscus Korn and Hairapetian p. 18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
suborderParaceltitinaShevyrev 1968
superfamilyXenodiscoidea(Frech 1902)
familyXenodiscidaeFrech 1902
genusXenodiscus

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. †Xenodiscus Waagen 1879
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†Xenodiscus araxensis Shevyrev 1965
†Xenodiscus beedei Smith 1927
†Xenodiscus besairiei Spinosa et al. 1975
†Xenodiscus carbonarius Waagen 1872
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Invalid names: Xenodiscus plicatus Waagen 1879 [synonym]
†Xenodiscus chaotianensis Zhao et al. 1978
†Xenodiscus dieneri Spinosa et al. 1975
†Xenodiscus dorashamensis Shevyrev 1965
†Xenodiscus gilberti Smith 1932
†Xenodiscus jubilaearis Zakharov 1986
†Xenodiscus koczyrkeviczi Zakharov 1989
†Xenodiscus lissarensis Diener 1897
†Xenodiscus rotundus Haniel 1915
†Xenodiscus subcarbonarius Zakharov 1986
†Xenodiscus tarpeyi Smith 1932
†Xenodiscus wanneri Spinosa et al. 1975
†Xenodiscus xizangensis Sheng 1988
Invalid names: Palaeolecanites Reed 1944 [synonym], Proceratites Kittl 1903 [synonym], Xenaspis Waagen 1879 [synonym]
Diagnosis
ReferenceDiagnosis
C. Spinosa et al. 1975Smooth to weakly plicate xenodiscins with parallel flat flanks in large whorls
(diameter greater than 50 mm)
Measurements
partNmeanminimummaximummedians.d.
shell height1814.85.0027.016.46.08
shell diameter1847.014.9125.047.527.3
shell inflation1821.09.1053.024.014.5

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 2003, Kiessling 2004

Age range: base of the Wordian to the top of the Spathian or 266.90000 to 246.70000 Ma

Collections (95 total)


Time interval Ma Country or state Original ID and collection number
Wordian266.9 - 264.28Iran X. muratai (112908)
Wuchiapingian259.51 - 254.14China (Xizang) Xenaspis carbonaria (230327) Xenaspis xizangensis (117568)
Wuchiapingian259.51 - 254.14Madagascar (Diana) Xenaspis carbonaria (81987 119511)
Wuchiapingian259.51 - 254.14Iran X. dorashamensis (118278)
Wuchiapingian259.51 - 254.14China (Guizhou) X. sp. (185562)
Wuchiapingian259.51 - 254.14New Zealand Xenaspis sp. (120442)
Wuchiapingian259.51 - 254.14India Xenaspis carbonaria (230350 230351)
Wuchiapingian259.51 - 254.14India (Kashmir) Xenaspis sp. (115367)
Wuchiapingian259.51 - 254.14Mexico (Coahuila) X. wanneri (82066 82067 82068)
Wuchiapingian259.51 - 254.14USA (California) Xenaspis carbonarius (109000)
Wuchiapingian259.51 - 254.14Japan X. carbonarius (107596)
Wuchiapingian259.51 - 254.14Iran (Abadeh) X. dorashamensis (63894)
Wuchiapingian259.51 - 254.14China (Sichuan) Xenaspis sp. (121415)
Wuchiapingian259.51 - 254.14Indonesia X. rotundus, X. beedei (73589)
Wuchiapingian259.51 - 254.14Pakistan Palaeolecanites chapriensis (126008) Xenaspis carbonaria (125909 125910 125963 126002 126004 126265 126267 126268 126699) Xenaspis sp. (125908 126010) X. carbonarius (119650) X. plicatus (119649 126264) X. plicatus, Ceratites carbonarius (90253) X. plicatus, Xenaspis carbonaria (125905) X. plicatus, X. carbonarius (88933)
Wuchiapingian - Changhsingian259.51 - 251.902Pakistan Xenaspis sp. (127014)
Changhsingian254.14 - 251.902China (Guizhou) X. sp. (149288 149295)
Changhsingian254.14 - 251.902China (Shaanxi) X. sp. (121410 149074)
Changhsingian254.14 - 251.902Thailand X. sp. (97002)
Changhsingian254.14 - 251.902China (Anhui) Xenaspis sp. (121413 149198 149199)
Changhsingian254.14 - 251.902Iran X. dorashamensis (119067) X. sp. (63893)
Changhsingian254.14 - 251.902India (Kashmir) Xenaspis sp. (48993 115373)
Changhsingian254.14 - 251.902Russian Federation (South Primorye) X. sp. (52812 52814) X. sp., X. jubilaearis (52813) X. strigatus, X. jubilaearis (52811 52818 52819)
Changhsingian254.14 - 251.902Pakistan X. sp. (126883)
Changhsingian254.14 - 251.902China (Jiangsu) X. sp. (121639)
Changhsingian254.14 - 251.902China (Guangxi) X. guangxiensis (124015) X. sp. (149217)
Changhsingian254.14 - 251.902Azerbaijan Xenaspis araxensis, X. dorashamensis (97243) X. dorashamensis (110599) X. dorashamensis, X. araxensis (110683 110692) X. sp. (48956 110600)
Changhsingian254.14 - 251.902China (Sichuan) X. chaotianensis (98048) X. sp. (121416 149080 149086 149088)
Changhsingian254.14 - 251.902China (Fujian) Xenaspis sp. (121429 148561) X. sp. (95493)
Changhsingian254.14 - 251.902Russian Federation X. koczyrkeviczi (110912 110917 110919 110920 110922 110923 110924 110925)
Changhsingian - Induan254.14 - 249.9Russian Federation X. sp. (212290)
Griesbachian251.902 - 250.5Iran X. sp. (112955 112956 112963 112970 112973)
Induan251.902 - 249.9India Danubites lissarensis (211001)
Induan - Olenekian251.902 - 246.7Laos X. salomoni (44790)
Smithian249.9 - 248.1Japan X. sp. (115243)
Smithian249.9 - 248.1USA (Idaho) X. tarpeyi, X. gilberti (33288)
Olenekian249.9 - 246.7Japan X. sp. (115244)
Spathian248.1 - 246.7China (Jiangsu) X. sp. (109786)
Spathian248.1 - 246.7Russian Federation X. eumphalus (212505)