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Helicoprion is a genus of extinct shark-like [1] eugeneodont fish. Almost all fossil specimens are of spirally arranged clusters of the individuals' teeth, called "tooth whorls", which in life were embedded in the lower jaw. As with most extinct cartilaginous fish, the skeleton is mostly unknown.
Living Fossil: the Story of the Coelacanth. W. W. Norton. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 20 February 2009; Weinberg, Samantha (1999). A Fish Caught in Time: The Search for the Coelacanth. Fourth Estate. Bruton, Mike (2015).
Helicoprion bessonovi, teeth at the front of the lower jaw (reversed for more natural position) Restoration of Romerodus (Caseodontidae). The Eugeneodontiformes, (also called Eugeneodontida) is an extinct and poorly known order of cartilaginous fishes.
A few living forms, such as the coelacanth are also referred to as prehistoric fish, or even living fossils, due to their current rarity and similarity to extinct forms. Fish which have become recently extinct are not usually referred to as prehistoric fish. Lists of various prehistoric fishes include: List of prehistoric jawless fish; List of ...
The skull fossil of the fish will be on display in the Ancient Life Hall at the New Mexico Museum of Natural History and Science. The exhibit, set to open in February 2025, will feature around 300 ...
Researchers said they looked at ancient fish teeth from the carp family recovered from Gesher Benot Ya’aqov, a waterlogged area that once sat on the shore of the paleolithic lake Hula in the ...
Of the formation's two strata which preserve fish fossils, Parahelicoprion is known only from the upper (younger) layer, while the majority of observed species come from a slightly older layer below it. Among these species, actinopterygians (ray-finned fish) and holocephalans have been identified.
One of the coolest, most prehistoric-looking fish lives in Florida’s offshore waters of the Gulf of Mexico. It happens to be one of the best to eat but also one of the most elusive.