FIGURES 2–5 in Molecular and morphological description of a new species of Halisarca (Demospongiae: Halisarcida) from Mediterranean Sea and a redescription of the type species Halisarca dujardini

FIGURES 2–5. Halisarca dujardini. In situ and in vivo photos of non reproductive sponge from Bering Sea (Fig. 2) and reproductive sponge (arrows indicated embryos) from White Sea (Fig. 3) sponges. Histological section of non-reproductive sponge (Fig. 4) and reproductive (Fig. 5) sponge. Abbreviations: Bc—blastocoel; CC—choanocyte chambers; CE—cleaving embryos; Ex—exopinacoderm; M—mesohyle. Scale bars: 2–10 mm; 3–5 mm; 4–650 µm; 5–150 µm.