Kupruilevia

Kupruilevia is a genus of extinct ray-finned fish that lived during the Early Cretaceous period. The only known species, Kupruilevia mirabilis, was discovered in fossil beds in the Republic of Tatarstan, Russia. This ancient fish is characterized by its relatively large size for its time, with specimens reaching up to 30 centimeters in length. Its skeletal remains reveal a robust build and distinctive fin structures.

The morphology of Kupruilevia suggests it was likely a bottom-dwelling or near-bottom dwelling species, possibly inhabiting freshwater or brackish environments based on the geological context of its discovery. Its teeth, though not extensively preserved, indicate a diet that may have included small invertebrates or other small aquatic organisms. The exact ecological role of Kupruilevia within its ancient ecosystem remains a subject of ongoing scientific study.

The discovery of Kupruilevia contributes to our understanding of early actinopterygian diversity and the evolutionary history of fish during the Mesozoic Era. The limited fossil record means that many aspects of its biology, behavior, and precise phylogenetic relationships are still being investigated by paleontologists. Further discoveries of Kupruilevia or related species could provide more detailed insights into this fascinating prehistoric fish.