Tetramphora croatica sp. nov.—A new brackish-water species from Lake Vransko, Croatia (CROSBI ID 263680)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Caput Mihalić, Katarina ; Gligora Udovič, Marija ; Galović, Ines ; Stanković, Igor ; Šušnjara, Mirela ; Žutinić, Petar ; Kulaš, Antonija ; Špoljarić, Igor ; Levkov, Zlatko
engleski
Tetramphora croatica sp. nov.—A new brackish-water species from Lake Vransko, Croatia
The genus Amphora sensu lato was considered highly heterogeneous for a long time. Modern microscopy and molecu- lar analyses revealed significant differences in cell morphology and structure, thus suggesting polyphyly of the genus. New findings resulted in separation and description of several amphoroid genera. Recently, the genus Tetramphora Mere- schkowsky was re-established based on ultrastructural and molecular analyses. The genus is widely spread in marine and brackish habitats. Recent observations of contemporary flora and cores from Lake Vransko (Croatia) revealed a new species of Tetramphora. The new species is characterized by having large semi-elliptical valves with arched dorsal margin and bi- arcuate ventral margin, length of 49.0–78.0 µm and width between 7.5–12.0 µm. The raphe is discontinuous, with proximal raphe ends externally covered with large siliceous flap. Striae are uniseriate, composed of small round to elongated areolae. Based on this unique combination of characters visible on light and scanning electron microscope, a new species Tetram- phora croatica sp. nov. is described.
Tetramphora ; diatom ; new species ; Lake Vransko ; Croatia
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