Cow Shark Symphyseals

Cow Shark Symphyseals

Symphyseal teeth for sale. One of the rarest shark teeth to find - the lower jaw symphyseal tooth. I only have a few in stock at any time and find it very difficult to locate the symphyseal teeth. One of the Holy Grail collector's teeth. Note - Six-Gill Cow sharks demonstrate sexual dimorphism meaning the female and male teeth are different. Hexanchus symphyseals teeth vividly demonstrate this difference. Male Hexanchus teeth will have a central cusp which points straight up (see catalog photo). Female Hexanchus teeth will have no central cusp, the cusps bend over in opposite directions at the center of the tooth. Authenticity guaranteed. 


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  1. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $325.00

    A GEM Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Belgium. A female shark. The best that you will find. Miocene age from the Antwerp Sand. Gorgeous tooth for the rare tooth collector! Essentially perfect tooth. Authenticity guaranteed. The BEST of the BEST!

    B526             Size: 1/2" W

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  2. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $325.00

    A Large, Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Complete tooth. Authenticity guaranteed.

    MD010             Size: 5/8" W

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  3. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $295.00

    A Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Razor and complete sharp cusps. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Near perfect tooth. Authenticity guaranteed.

    MD011             Size: 9/16" W

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  4. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $265.00

    A Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Razor and complete sharp cusps. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Near complete tooth. Authenticity guaranteed.

    MD012             Size: 9/16" W

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  5. Hexanchus gigas   - Chile
    $165.00

    A very rare Hexanchus symphyseal tooth from the Caldera Basin of Chile. This is complete lower jaw symphyseal tooth - female shark and slightly pathological. Superb preservation and color. Matrix free. Nine very sharp and complete primary cusps. Note - root has a crack about midway and is most likely reattached. A rare collector's tooth!  Authenticity guaranteed. 

    C405L          Size: 11/16" W    

    Note - Adding 6 Hexanchus lower jaw teeth in February 2018.    Link to Chilean Hexanchus teeth.

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  6. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $150.00

    A Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Belgium. A very rare male shark. Miocene age from the Antwerp Sand. Gorgeous tooth or the rare tooth collector! Not a complete tooth. Authenticity guaranteed.

    B527             Size: 1/2" W

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