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Prehistoric Helicoprion shark, beautifully screen printed both a navy and silver color Bella Canvas t-shirt.


These super soft unisex shirts follow standard unisex sizing. They are a form fitting fashion tee, so if you like your shirt baggy, maybe go up one size. 


  • A prehistoric, enormous cartilaginous rat-fish belonging to the same family as sharks and rays, the Helicoprion existed for about 85 million years, from the end of the Carboniferous period till the Triassic, disappearing around 225 million years ago. For more than a hundred years, that wacky tooth-whorl has been predominantly depicted by paleontologists as encompassing the lower jaw and curling backwards and underneath, which admittedly looks insane and seemed a bit implausible. Six months after making the original/previous version of this shirt, some very authoritative findings were published that confidently placed the whorl inside the bottom jaw, like a vertical saw blade inside the mouth, as I have depicted here.

    Since cartilage doesn’t really fossilize, the bony tooth whorls are all that are found of the Helicoprion. So the actual anatomy of the fish is a bit up for interpretation as well. Since the fish could reach 25 feet in length, it's hard to imagine it as a slow, awkward, modern day rat-fish. Was it more of a mackerel shark in shape, like a mako or a greatwhite, or more floppy like the goblin shark or sand tiger?

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