Upper Oligocene

Menilite Formation

Outer Carpathians, Krepac, Poland.

23mm deep water fish on 94mm slab.

Fish.

Argyropelecus is a genus of marine hatchetfish of the Family Sternopthychidae. This may be the earliest occurrence of the genus also known from the Miocene of California. Today, species of this genus frequent warm to temperate waters.

The article below reviews a fish fauna from a number of sites in Poland with this deepwater hatchetfish species, A. cosmovicii, discussed in detail.

Jerzmanska, A. (1968).
Ichthyofaune des couches à ménilite (Flysch des Karpathes). Acta Palaeontologica Polonica, 13(3): 379-481.