Boreespis

Science Name

Aurora borealis

Description

They differ in the width of their triangular shaped head shields,and in the length of the bony spine that grew out from the cheek area on either side.The snout was elongated in all species into a bladelike rostrum. Beside its hydrodynamic function,the rostrum was probably used to probe for prey on the muddy lagoon floor.

Habitat

It exists in 5 to13 m long in size.

Behaviour

There are totally 14 species of Boreaspis.The sandstones laid down in the lagoons of pitsbergen during the Early Devonian.

Life History

They were small jawless fishes,related to the heterostracans,although they did not have head shields.It allows to testify their existence during Late Silurian and Early Devonian times.

Region Found

Spitsbergen