1 | Nature Conservation Agency of the Czech Republic, Regional Office Kokořínsko – Máchův kraj Protected Landscape Area Administration, Mělník, Czech Republic |
2 | Department of Animal Anatomy, Institute of Veterinary Science, University of Agriculture in Cracow, Poland |
3 | Department of Comparative Anatomy, Institute of Zoology, Jagiellonian University, Cracow, Poland |
4 | Department of Malacology, Institute of Zoology, Jagiellonian University, Cracow, Poland |