Argyropelecus
cosmovicii
Class
Actinopterygii, Order Stomiiformes, Family Sternoptychidae
Geological
Time: Middle Oligocene
Size (25.4mm=1
inch): Fossil fish length 30 mm on an 80 mm x 45 mm plate
Fossil Site:
Rowe, Carpathian Mountains. Poland
 Description:
The gunus Argyropelecus is also known by the common name of Hatchetfish;
obviously derived from their unusual body shape. They are mostly
deep- bodied,
compressed fishes which have a sharp "blade" along the
lower margin of the body and a "handle" formed by the
posterior half of the body. One of the distinguishing characters
of the genus Argyropelecus is the presence of a bony blade in front
of the dorsal fin. Hatchetfishes are deep sea fishes that have upwardly
directed eyes and light-producing photophores.
Also
see: Actinopterygii
Fish Fossils
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