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  • Polyipnus sobnioviensis Jerzmanska, 1960

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    oilshale

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      • The family of the deep-sea hatchetfish (Sternoptychinae) comprises three recent genera with a total of about 40 species and occurs worldwide in almost all tropical and temperate seas:

      Argyropelecus with about 7 species,
      Polyipnus with about 32 species and
      Sternoptyx with currently 4 species.

      The Sternoptychinae have a deep-bellied, laterally strongly flattened shape; the body shape reminds somewhat of a hatchet. The height of the recent species is between 3cm and 12cm. The body is covered with delicate silvery scales; in some species parts of the body are transparent.

      Sternoptychidae can produce light with organs called photophores, of which they have between 3 and 7 – usually 6 – on the branchiostegal membrane along the lower edge of the chest and belly.

       

      Literature:
      KOTLARCZYK, J.; JERZMAÑSKA, A.; OEWIDNICKA, E.; WISZNIOWSKA, T.(2006): A FRAMEWORK OF ICHTHYOFAUNAL ECOSTRATIGRAPHY OF THE OLIGOCENE-EARLY MIOCENE STRATA OF THE POLISH OUTER CARPATHIAN BASIN. Annales Societatis Geologorum Poloniae (2006), vol. 76: 1-111.

       

    Taxonomy

    Deep-sea hachetfish

    Kingdom: Animalia
    Phylum: Chordata
    Class: Actinopterygia
    Order: Stomiatiformes
    Family: Sternoptychidae
    Genus: Polyipnus
    Species: Polyipnus sobnioviensis
    Author Citation Jerzmanska, 1960

    Geological Time Scale

    Eon: Phanerozoic
    Era: Cenozoic
    Period: Paleogene
    Epoch: Oligocene
    International Age: Rupelian

    Stratigraphy

    Menilite-Krosno Group of nappes
    Menilite formation

    Provenance

    Acquired by: Purchase/Trade

    Location

    Sobniów
    Jasło County
    Subcarpathian Voivodeship
    Poland

    Comments

    The family of the deep-sea hatchetfish (Sternoptychinae) comprises three recent genera with a total of about 40 species and occurs worldwide in almost all tropical and temperate seas:

    Argyropelecus with about 7 species,
    Polyipnus with about 32 species and
    Sternoptyx with currently 4 species.

    The Sternoptychinae have a deep-bellied, laterally strongly flattened shape; the body shape reminds somewhat of a hatchet. The height of the recent species is between 3cm and 12cm. The body is covered with delicate silvery scales; in some species parts of the body are transparent.

    Sternoptychidae can produce light with organs called photophores, of which they have between 3 and 7 – usually 6 – on the branchiostegal membrane along the lower edge of the chest and belly.

     

    Literature:
    KOTLARCZYK, J.; JERZMAÑSKA, A.; OEWIDNICKA, E.; WISZNIOWSKA, T.(2006): A FRAMEWORK OF ICHTHYOFAUNAL ECOSTRATIGRAPHY OF THE OLIGOCENE-EARLY MIOCENE STRATA OF THE POLISH OUTER CARPATHIAN BASIN. Annales Societatis Geologorum Poloniae (2006), vol. 76: 1-111.

     

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