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{{Short description|Genus of molluscs (fossil)}}
{{Taxobox
{{Automatic taxobox
| fossil_range = {{Fossilrange|359.2|357.5| Early [[Carboniferous]]}}
| fossil_range = {{Fossilrange|359.2|357.5| Early [[Carboniferous]]}}
| image =
| image =
| regnum = [[Animal]]ia
| taxon = Qiannanites
| authority = Ruan, 1981
| phylum = [[Mollusc]]a
}}
| classis = [[Cephalopod]]a
| subclassis = [[Ammonoidea]]
| ordo = [[Goniatitida]]
| subordo = [[Tornoceratina]]
| familia = [[Prodromitidae]]
| genus = '''''Qiannanites'''''
| genus_authority = Ruan,1981 }}


'''''Qiannanites''''' is a [[Goniatitida|goniatitid]] genus from the lower Carboniferous included in the [[Prodromitidae]], which is part of the superfamily [[Karagandocerataceae]], now known as the Karagandoceratoidea. <ref>[http://fossilworks.org/bridge.pl?action=taxonInfo&taxon_no=13861 Qiannanites] in Fossil Works </ref>
'''''Qiannanites''''' is a genus of [[Goniatitida|goniatitid]] ammonites from the lower Carboniferous included in the [[Prodromitidae]], which is part of the superfamily Karagandocerataceae, now known as the [[Karagandoceratoidea]].<ref>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=13861 Qiannanites] in Fossil Works</ref>


==Diagnosis==
== Diagnosis ==
The Shell of ''Qiannanites'' is discoidal with a sharp venter, small umbilicus and rather high aperture. Ribs are faint. Coiling in involute, leaving only the outer whorl exposed. The ventral lobe of the suture is bifurcate with pronounced acute prongs
The shell of ''Qiannanites'' is discoidal with a sharp venter, small umbilicus and rather high aperture. Ribs are faint. Coiling in involute, leaving only the outer whorl exposed. The ventral lobe of the suture is bifurcate with pronounced acute prongs

== References ==
{{Reflist}}

{{Taxonbar|from=Q11832830}}


==References==
{{reflist}}
[[Category:Mississippian ammonites]]
[[Category:Mississippian ammonites]]
[[Category:Goniatitida genera]]
{{ammonite-stub}}
[[Category:Ammonites]]
[[Category:Karagandocerataceae]]
[[Category:Paleozoic animals of Asia]]
[[Category:Paleozoic animals of Asia]]


{{Goniatitida-stub}}

Latest revision as of 08:43, 18 November 2024

Qiannanites
Temporal range: Early Carboniferous
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Family: Prodromitidae
Genus: Qiannanites
Ruan, 1981

Qiannanites is a genus of goniatitid ammonites from the lower Carboniferous included in the Prodromitidae, which is part of the superfamily Karagandocerataceae, now known as the Karagandoceratoidea.[1]

Diagnosis

[edit]

The shell of Qiannanites is discoidal with a sharp venter, small umbilicus and rather high aperture. Ribs are faint. Coiling in involute, leaving only the outer whorl exposed. The ventral lobe of the suture is bifurcate with pronounced acute prongs

References

[edit]
  1. ^ Qiannanites in Fossil Works