Fig. 1 in Morphology of glochidia of the freshwater mussels Nodularia amurensis and Middendorffinaia sujfunensis (Bivalvia: Unionidae: Nodulariinae) from the Russian Far East

Fig. 1. Glochidia of Nodularia amurensis from various view angles: А – Razdolnaya River; B, С – Amur River, Petrovskaya channel; D – Amur River, B. Ussuriysky Island. Abbreviations: lig – ligament; v.a – ventral angle; l.th – larval thread; v – valve of open glochidial shell. Scanning electron microscopy. Scale bar 2 µm.