Male of Ptilohyale littoralis, sampled in October 2015, from Bay of Arcachon, France. Scale bar 1 mm.

 
 
  Part of: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884