Shells (Bivalvia) – Mollers with a busy composed of two parts (caps), covering and protecting the body. The caps are united with a muscular clip. The name received from Lat. Valva = two-shaped door. They are exclusively aquatic animals, live mostly in sea waters, but there are both terrestrial. Over 20,000 species are known, many of which are fossil. In Macedonia, shells meet in terrestrial waters that S “have not yet been sufficiently explored. 15 taxa (14 species and 1 subspecies) were registered; 3 types and 1 subspecies are endemic – all of the genus pisidium; Three taxa are found in the Ohrid, and one Taxon in Prespa Lake. The most common type is Dreisen Palkorham Palle., Which possesses triangular, raging, yellow flight with brown wavy lines. There are great populations in Dojran, in Prespa and Ohrid Lake. The shell of SPHHHERIUM TOVNESS L. It is encountered in our terrestrial waters, mostly in the sludge and the child’s sludge and the lakes. In Dojran Lake, species of gender unio, which possess shells of different shape, from elliptical to elongated, sometimes twice as high as height. In the Ohrid Lake, the common blenty shell is (Anadonta Zzgzgzgzgg). Lit.: S. Mr., Goletkel, N., Klemm, N., Meis, Die Land Ud Sussianese Lleusken der Nordlicchen Balkalkhalbensale, Abh. UD Beroccheus Aus Dem Statlel, Museum Fürk Tirk., Dresden, 1957, 23 (2): 141-207; Jonce Sapkarev, the zoology of invertebrate animals, Skopje, 1991. V. T. K. – M. Cr.
Original article in Macedonian language Cyrillic alphabet
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