Cerebral eye and pigment granules. A–C LM images with regard to the cerebral eye (dashed arrows), frontal aggregations and streams of pigment granules (normal arrows) A Distinct frontal aggregations of pigment granules present, cerebral eye of normal size (S. triophthalma) B Frontal aggregations and streams of pigment granules are absent, cerebral eye of normal size (S. pectinata) C distinct streams of pigment granules are present, large cerebral eye (S. baltica). Scale bar: 20 µm.

 
 
  Part of: Wilke T, Ahlrichs WH, Bininda-Emonds ORP (2019) A weighted taxonomic matrix key for species of the rotifer genus Synchaeta (Rotifera, Monogononta, Synchaetidae). ZooKeys 871: 1-40. https://doi.org/10.3897/zookeys.871.36435