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. Hexanchus microdon symphyseal
    $550.00

    A Very Rare, High Quality Hexanchus microdon symphyseal tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a species from the Late Cretaceous deep water Northumberland Formation deposit. A species of Hexanchiforme shark. The crown is complete (5+ cusps!) and the root is complete. High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. The symphyseal is always a rare position tooth to find and from a rare locality. A complete symphyseal tooth!

    CD57              SIZE: 3/16" Wide

    Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to Hornby Island shark teeth.

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  2. Hexanchus microdon symphyseal
    $400.00

    A Very Rare, High Quality Hexanchus microdon symphyseal tooth from Hornby Island, British Columbia, Canada. This is a species from the Late Cretaceous deep water Northumberland Formation deposit. A species of Hexanchiforme shark. The crown is complete (7 cusps!) and the root base is damaged. High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. The symphyseal is always a rare position tooth to find from a rare locality!

    CD56              SIZE: 3/16" Wide

    Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to Hornby Island shark teeth.

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  3. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $0.00

    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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  4. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $0.00

    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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  5. Seven-Gill Cow shark (Notorhynchus symphyseal)
    $0.00

    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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