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An ascothoracid compound eye (Crustacea)

  • Eric Hallberg
  • Rolf Elofsson
  • M J Grygier
Publishing year: 1985
Language: English
Pages: 167-171
Publication/Series: Sarsia
Volume: 70
Document type: Journal article

Abstract english

The ultrastructure of the compound eye of an ascothoracid larva — the only known occurrence of compound eyes in the Ascothoracida — is described. The ommatidia of apposition type consist of a crystalline cone composed of three cells and up to six retinular cells. Poor fixation of the scarce material allows no safe judgement about the number of retinular cells and the nature of two distal cells surrounding the crystalline cones. The structure of these compound eyes most closely resembles the cirriped compound eye.


  • Zoology


Eric Hallberg
E-mail: eric [dot] hallberg [at] biol [dot] lu [dot] se

Professor emeritus

Functional zoology

+46 46 222 46 78