Jump to content
  • Peipiaosteus pani Liu and Zhou, 1965


    Images:

    oilshale
    • The order of Acipenseriformes (Sturgeon-like fishes) both includes sturgeons (Acipenseridae) and paddlefish (Polyodontidae).

      At least three Sturgeon-like fishes (Acipenseriformes) can be found in the Jiufotang Formation (Jehol Group) and in the Yixian Formation in western Liaoning and northern Hebei Province China: Peipiaosteus pani Liu and Zhou, 1965, Protopsephurus liui Lu, 1994 and Yanosteus longidorsalis Jin, Tian, Yang & Deng, 1995. The Jiufotang Formation - where this Peipiaosteus comes from - is dated to about 120.3+/-0.7 million years ago, which was during the Aptian age of the Cretaceous; the Yixian Formation - where P. liui and Y. longidorsalis can be found - is dated slightly older, around 125-121 million years ago (Barremian-early Aptian).
       

      Peipiaosteus pani, Liu and Zhou 1965, a relative of nowadays sturgeons, is from the Jiufotang Formation, Pani Lake, Liaoning. This sturgeon is characterized by a long fusiform trunk and a short dorsal fin. The origin of the dorsal fin is a little before that of the anal fin. The normal size of these specimens normally is around 15 to 30 cm – but I’ve seen a couple of fish exceeding 60cm.

       

      Lit.:
      Liu, H., Zhou J. (1965): A new Sturgeon from the Upper Jurassic of Liaoning, North China. Vertebrata PalAsiatica Vol. 9, No. 3, 1965, p. 237 ff.

      Zhou, Z.(1992): Review on Peipiaosteus based on new materials of P. pani. Vertebrata PalAsiatica Vol 30, No. 2, pp 85-101. 

       

    Taxonomy

    Sturgeon

    Kingdom: Animalia
    Phylum: Chordata
    Class: Actinopterygii
    Order: Acipenseriformes
    Family: Acipenseridae
    Genus: Peipiaosteus
    Species: P. pani
    Author Citation Liu & Zhou, 1965

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Cretaceous
    Epoch: Early
    International Age: Aptian

    Stratigraphy

    Jiufotang Formation

    Provenance

    Acquired by: Purchase/Trade

    Dimensions

    Blank: 12cm

    Location

    Pani Lake
    Beipiao
    Liaoning
    China

    Comments

    The order of Acipenseriformes (Sturgeon-like fishes) both includes sturgeons (Acipenseridae) and paddlefish (Polyodontidae).

    At least three Sturgeon-like fishes (Acipenseriformes) can be found in the Jiufotang Formation (Jehol Group) and in the Yixian Formation in western Liaoning and northern Hebei Province China: Peipiaosteus pani Liu and Zhou, 1965, Protopsephurus liui Lu, 1994 and Yanosteus longidorsalis Jin, Tian, Yang & Deng, 1995. The Jiufotang Formation - where this Peipiaosteus comes from - is dated to about 120.3+/-0.7 million years ago, which was during the Aptian age of the Cretaceous; the Yixian Formation - where P. liui and Y. longidorsalis can be found - is dated slightly older, around 125-121 million years ago (Barremian-early Aptian).
     

    Peipiaosteus pani, Liu and Zhou 1965, a relative of nowadays sturgeons, is from the Jiufotang Formation, Pani Lake, Liaoning. This sturgeon is characterized by a long fusiform trunk and a short dorsal fin. The origin of the dorsal fin is a little before that of the anal fin. The normal size of these specimens normally is around 15 to 30 cm – but I’ve seen a couple of fish exceeding 60cm.

     

    Lit.:
    Liu, H., Zhou J. (1965): A new Sturgeon from the Upper Jurassic of Liaoning, North China. Vertebrata PalAsiatica Vol. 9, No. 3, 1965, p. 237 ff.

    Zhou, Z.(1992): Review on Peipiaosteus based on new materials of P. pani. Vertebrata PalAsiatica Vol 30, No. 2, pp 85-101. 

     



    User Feedback


    There are no comments to display.



    Create an account or sign in to comment

    You need to be a member in order to leave a comment

    Create an account

    Sign up for a new account in our community. It's easy!

    Register a new account

    Sign in

    Already have an account? Sign in here.

    Sign In Now


×