Introduction

These are among the largest cirrates reaching lengths up to 1.5 m (Nesis, 1982/87). They are often found in deep water swimming or drifting near the ocean floor. Very little is known about their biology.

Voss (1988) considered C. muelleri to be the only valid species in the genus.

Brief diagnosis:

A cirroteuthid ...

• with shell having very wide saddle and oval wings.
  
• with normal, lens-bearing eyes.