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Yunnania

Gastropoda - Araeonematidae

Taxonomy
Yunnania was named by Mansuy (1912) [Sepkoski's age data: D Gedi P Guad-l Sepkoski's reference number: 109,362]. It is not extant.

It was assigned to Gyronematinae by Knight et al. (1960); to Tychobraheidae by Horný (1992); to Archaeogastropoda by Sepkoski (2002); and to Araeonematidae by Nützel and Nakazawa (2012) and Nützel and Ketwetsuriya (2016).

Synonyms
Synonymy list
YearName and author
1881Portlockia de Koninck
1912Yunnania Mansuy
1960Yunnania Knight et al. p. 239
1992Yunnania Horný
2002Yunnania Sepkoski
2012Yunnania Nützel and Nakazawa p. 117
2016Yunnania Nützel and Ketwetsuriya p. 499

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassVetigastropoda(Salvini-Plawen 1980)
superfamilyTrochoidea(Rafinesque 1815)
familyAraeonematidae
genusYunnania

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. †Yunnania Mansuy 1912
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†Yunnania decorata Gemmellaro 1889
†Yunnania inflata Ketwetsuriya et al. 2020
†Yunnania kamenkensis Jakowlew 1899
†Yunnania meridionalis Mansuy 1914
†Yunnania minor de Koninck 1881
†Yunnania parallela Phillips 1836
†Yunnania pulchra Nützel and Ketwetsuriya 2016
†Yunnania pygmaeus de Koninck 1844
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Invalid names: Yunnania subpygmaeus d'Orbigny 1850 [synonym]
†Yunnania romanovskyi Licharew 1967
†Yunnania semicancellata de Koninck 1881
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Invalid names: Yunnania nana de Koninck 1881 [synonym]
Invalid names: Portlockia de Koninck 1881 [replaced]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height164.771.8015.14.703.80
shell diameter163.752.109.563.353.49

Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: grazersuperf
Vision: limitedc
Created: 2009-09-10 08:47:46
Modified: 2009-09-10 10:47:46
Source: superf = superfamily, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range: base of the Givetian to the top of the Sevatian or 387.70000 to 205.60000 Ma

Collections (39 total)


Time interval Ma Country or state Original ID and collection number
Givetian387.7 - 382.7Poland Y. sp. (83035)
Hastarian358.9 - 353.8Belgium (Wallonia) Turbo pygmaeus (147213)
Meramecian343.0 - 335.5USA (Nevada) Y. sp., Y. sp. B (62674)
Brigantian336.0 - 330.9United Kingdom (England) Portlockia minor, Portlockia parallela (67670) Y. sp., Y. semicancellata (57131)
Morrowan323.2 - 318.6USA (Wyoming) Y. sp. (5724)
Morrowan323.2 - 318.6USA (Texas) Y. sp. (79966)
Bashkirian - Moscovian323.2 - 307.0Argentina Y. subpygmaea (64407 88688)
Bashkirian - Moscovian323.2 - 307.0Argentina (Chabut) Y. subpygmaea (152933)
Bashkirian - Moscovian323.2 - 307.0Argentina (Chubut) Y. subpygmaea (39936)
Vereian314.8 - 313.8Ukraine Portlockia kamenkensis (156384)
Asselian298.9 - 295.5Russian Federation (Bashkortostan) Y. romanovskyi (202159)
Artinskian290.1 - 279.3USA (Utah) Y. sp. (10651)
Artinskian290.1 - 279.3USA (Nevada) Y. sp. (10650 10654)
Kungurian279.3 - 272.3USA (Nevada) Y. sp. (10421 10429 10430 10472 10640 10647 10649)
Kungurian279.3 - 272.3Malaysia (Perak) Y. sp., Y. meridionalis (62131)
Kungurian279.3 - 272.3Venezuela (Merida) Y. sp. (41509)
Roadian272.3 - 268.8Thailand Y. inflata (103565)
Wordian266.9 - 264.28Thailand Tapinotomaria sp. (167691) Y. pulchra (181783)
Wordian266.9 - 264.28Italy Portlockia decorata (108672)
Capitanian264.28 - 259.51Cambodia Y. meridionalis (107272 107276 107282)
Wuchiapingian259.9 - 254.17United Kingdom (England) Y. tunstallensis (24084 24086 89587)
Changhsingian254.17 - 252.17Japan Y. sp. (115236)
Carnian237.0 - 228.0Italy Y. cincta (164191)
Sevatian212.0 - 205.6USA (Idaho) Y. subcincta (38377)
Sevatian212.0 - 205.6Iran Y. spinosa (37959)