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  • Cerastoderma sociale (Krauss 1852)

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    Ludwigia

    By Ludwigia

    Taxonomy

    Bivalve

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Bivalvia
    Order: Veneroida
    Family: Cardiidae
    Genus: Cerastoderma
    Species: Cerastoderma sociale
    Author Citation Krauss 1852

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Neogene
    Sub Period: None
    Epoch: Miocene
    International Age: Ottnangian

    Stratigraphy

    Obere Meeresmolasse Formation
    Kirchheimer-Schichten

    Provenance

    Collector: Roger Furze
    Date Collected: 10/12/2008
    Acquired by: Field Collection

    Dimensions

    Length: 2.5 cm

    Location

    Sipplinger Berg
    Haldenhof
    Baden-Wurttemberg
    Germany

    Comments

    2 Steinkerns.

    Go to fossils Bivalves

    User Feedback


    Max-fossils

    I'm nearly sure that these very nice cockles aren't steinkerns... 

     

    In fact, you can still see the radial ribs of the shell. And if you look at the Cerastoderma edule shell beneath (from the Eem Formation; Eemian Pleistocene; Zandmotor, NL), you will notice that in the inside it is flat. So logically the steinkern would be flat too, and not have the ribs present. So these are the actual shells :D

     IMG_4429.thumb.JPG.ef502c3604aeffcb8f8a73a9fbbd0c7b.JPGIMG_4430.thumb.JPG.323934b0b9fa765bd8970f2ab3e10299.JPG

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    Ludwigia

    Sorry, but you're wrong. Believe me. I have these things in my hands and I generally know what I'm talking about. They have a limonite coating, which is deceptive.

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    Max-fossils

    Max-fossils

    Posted

    On 2/24/2018 at 10:31 PM, Ludwigia said:

    Sorry, but you're wrong. Believe me. I have these things in my hands and I generally know what I'm talking about. They have a limonite coating, which is deceptive.

    Alright, if you say so... never seen a steinkern with the radial ridges presvered before though, until now then! :headscratch::)

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