Plagiopyla ovata, KAHL, 1931

PLAGIOPYLA OVATA KAHL, 1931 View in CoL

1931: Plagiopyla ovata – Kahl, Tierwelt Dtl., 21: 267; fig. 45.10 (original description, illustrated, no type material available).

1933: Plagiopyla ovata Kahl, 1931 – Kahl, Tierwelt N., p. 74; figs 9.1, 9.2 (guide, revision).

1941: Plagiopyla ovata Kahl, 1931 – Ozaki & Yagiu, J. Sci. Hiroshima Univ., 8: 178–179; pl. II; figs 5, 6 (illustrated record).

1986: Plagiopyla ovata Kahl, 1930 – Dragesco & Dragesco-Kernéis, Faune tropicale, 26: 219; pl. 43; figs C, D, E (illustrated record, short taxonomic and ecological monograph).

1996: Plagiopyla ovata Kahl, 1930 – Alekperov & Asadullayeva, Zool. Zh., 75: 768; fig. 2b (illustrated record).

2005: Plagiopyla ovata Kahl, 1930 – Alekperov, Borchali Publishing House, 74, 76 pp.; fig. 20.4 (illustrated record).

2007: Plagiopyla ovata Kahl, 1931 – Jankowski, Russian Acad. Sci. , p. 792; fig 355 (revision).

Improved diagnosis ( Fig. 18L): Body length 60–80 µm on average (total range: 35–99 µm), body width 35–40 µm on average (total range: 26–46 µm). Somatic kineties: 48–66. Striated band present (estimated length: about 31 µm). One reniform/ovoid macronucleus (about 23 × 17 µm) and a single, compact-type micronucleus (Ø 3.5 –4.2 µm). One contractile vacuole with 1 pore opening on the dorsal part of the cell. Cytoproct not described. Elongated extrusomes.

Type locality: Seawater in Sylt , Germany ( Kahl, 1931) .

Ecology and distribution: Marine, brackish. Found in: Germany, Sylt ( Kahl, 1931, 1933), Helgoland, Kiel, Oldesloe ( Kahl, 1933) and Bottsand Kieler Fiord ( Ax & Ax, 1960); Gulf of Mexico ( Borror, 1962); White Sea in Kandalaksha Gulf ( Burkovsky, 1970) and Chernaya River estuary ( Mazei & Burkovsky, 2005); Benin, Cotonou ( Dragesco & Dragesco-Kernéis, 1986); Azerbaijan in the Caspian Sea, South Apsheron, Shikov ( Alekperov & Asadullayeva, 1996) and Shuvelyan ( Alekperov, 2005); India, Chilka Lake ( Das & Nair, 1987; Das, 1995); Black Sea ( Azovsky & Mazei, 2003); Japan, Onomiti (or Onomichi) ( Ozaki & Yagiu, 1941).