Morphological Observation of Museum Specimens of Astacus astacus and Pontastacus leptodactylus-Reference-Cited by-同舟云学术

Morphological Observation of Museum Specimens of Astacus astacus and Pontastacus leptodactylus

Published:2022-12-31 Issue:1 Volume:27 Page:49-68
ISSN:2076-4324
Container-title:Freshwater Crayfish
language:en
Short-container-title:Freshwater Crayfish

Author:

Kawai Tadashi¹,Patoka Jiří²

Affiliation:

1. Central Fisheries Research Institute, Hokkaido, Japan

2. Department of Zoology and Fisheries, Czech University of Life Sciences Prague, Praha-Suchdol, Czech Republic

Abstract

Abstract Both external and internal morphological characteristics (the gastric mill and the gill on maxillipeds) of museum specimens of European Astacidae, namely Astacus astacus and Pontastacus leptodactylus, were observed and detailed illustrations and descriptions are herein provided. Several morphological variations in external morphology were detected, and the characters to discriminate between Astacus and Pontastacus have been used to update the diagnoses of these two genera.

Publisher

International Association of Astacology

Subject

General Medicine

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