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Liaoconodon retains an ossified Meckelian link

Holotype IVPP V16051 preserves detached ectotympanic and malleus elements still linked to the dentary by ossified Meckel's cartilage.

Represented range121.4–113.2 Ma
RegionsJiufotang Formation, Jianchang, Liaoning, China
CladesMammaliaformes · Eutriconodonta · Liaoconodon hui

Claim ledger

morphology · medium

Near-complete holotype IVPP V16051 preserves ectotympanic and malleus elements detached from direct dentary contact but linked through ossified Meckel's cartilage, without making Liaoconodon a universal stage or direct ancestor.

claim:event:liaoconodon-ossified-meckel-link

References

  1. Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodontMeng, J.; Wang, Y.; Li, C. · 2011 · DOI 10.1038/nature09921
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