Codosiga botrytis (Ehrenberg 1838)

Aydin, Esra Elif & Lee, Won Je, 2022, Free-living Heterotrophic Flagellates Lakes in Turkey (Protista) from Two Hypersaline, Acta Protozoologica 61, pp. 85-98 : 86-87

Codosiga botrytis (Ehrenberg 1838) Kent 1880

( Figs 2f , 3f )

Cells are 5.5–6 μm long and ovoid with a short collar and a long stalk. The pseudopodia are symmetrical and longer than the cell. The thickened flagellum is 2–2.5 times the cell length and acronematic. The cells may attach to the substrate by the stalk and swim. Observations based on 3 colonies with 12 cells. Occurance: every month at Acı Lake, temperature 1–23.5 °C, salinity 24–67.5 psu, dissolved oxygen 3.75–13.2 mg /L.

Remarks: Choanoflagellates have been revised based on the molecular phylogenetic studies ( Carr et al. 2008, Nitsche et al. 2011). The genera of Codosigidae were placed under Salpingoecidae sensu Nitsche et al. (2011) . Generally, the observations are in accordance with those of Hibberd (1975) and Vørs (1992a). It was reported that the taxonomy of Codosiga is likely to be confused ( Vørs 1992a) with Monosiga . Codosiga botrytis includes taxa with thin and thick stalks, but is distinguished primarily by the formation of unique colonies. Single celled forms of the genera may be indistinguishable from the genus Monosiga (Leadbeater and Morton 1974) . This species was also found at marine sites in eastern North America, Denmark, Gulf of Finland, Germany and Italy ( Griessmann 1913, Norris 1965 as Codosiga pyriformis, Hibberd 1975 ; Vørs 1992a, b).

Figures

Fig. 2. (a) Ancyromonas sigmoides, (b) Neobodo curvifilus, (c) Chelonemonas sp., (d) Carpediemonas membranifera, (e) Caecitellus parvulus, (f) Codosiga botrytis, (g) Cafeteria roenbergensis, (h) Pleurostomum flabellatum, (i) Rhynchomonas nasuta, (j) Salpingoeca marina, (k) Pendulomonas adriperis, (l) Neobodo saliens, (m) unidentified protist, (n) Neobodo designis, (o) Monosiga brevicollis, (p) Halocafeteria seosinensis, (q) Cantina marsupialis.

Fig. 3. (a) Ancyromonas sigmoides, (b) Caecitellus parvulus, (c) Cafeteria roenbergensis, (d) Cantina marsupialis, (e) Chelonemonas sp., (f) Codosiga botrytis, (g) Carpediemonas membranifera, (h) Neobodo curvifilus, (i) Neobodo designis, (j) Neobodo saliens, (k) unidentified protist, (l)-(m) Pleurostomum flabellatum, (n) Rhyncomonas nasuta, (o) Monosiga brevicollis, (p) Salpingoeca marina, (q) Pendulomonas adriperis, (r) Halocafeteria seosinensis. All micrographs are DIC images. Scale bar in (k) represents for all figures.