Entity: HELICOPRION
Helicoprion is an extinct genus of large shark-like cartilaginous fish that lived during the Early to Middle Permian period, known for its unique spiral-toothed jaw structure.
HELICOPRION
Etymology
The name 'Helicoprion' was coined by Russian geologist Alexander Petrovich Karpinsky in 1899, meaning 'spiral saw', based on a fragmentary fossil found in Kazakhstan.
Definition
Helicoprion is an extinct genus of large shark-like cartilaginous fish that lived from the Early to the Middle Permian, about 290-270 million years ago. It is a member of the Eugeneodontiformes, an extinct order of cartilaginous fish within the clade Holocephali.
Historical Context
Helicoprion roamed the seas during the Permian period, characterized by its unique spiral-toothed jaw structure. Fossils of Helicoprion have been found in various locations, shedding light on the ancient marine ecosystems.
Cultural Significance
Helicoprion has captured the imagination of paleontologists and the public alike due to its bizarre tooth arrangement. It has been featured in documentaries and books, showcasing its importance in understanding prehistoric marine life.
Related Concepts
Helicoprion is related to other extinct shark-like fish such as Edestoids, known for their saw-toothed jaws. These creatures provide valuable insights into the evolution of cartilaginous fish.
See Also
A prehistoric shark-like fish with a distinctive spiral-toothed jaw structure, belonging to the extinct genus Helicoprion.