Chara subcylindrica Reid & Groves, 1921

(Fig. 14J–O)

1921 Chara subcylindrica Reid & Groves: 187, pl. 5, figs 4, 5.

1959 Grambastichara subcylindrica Horn af Rantzien: 76, pl. 3, figs 5–7.

1986 Chara cf. subcylindrica Riveline: 67, pl. 30, figs 5–8.

Material. Up to 250 gyrogonites in sample G-6b. Collection numbers of figured specimens: HNHM-PBO 1586–1591.

Description. Medium-sized gyrogonites (500–750 M m high and 200–400 M m wide) ellipsoidal prolate to perprolate (ISI 130–200) in shape, laterally showing 8–11 (usually 9–10) convolutions (Figs 14J–M, 16). Maximum width at the equator. Apex rounded with widening of the spiral cell endings (Fig. 14N). Spiral cells often slightly concave to flat, separated by narrow intercellular ridges, cells non-ornamented and without any periapical modification. Base regularly tapering to round, showing a superficial pentagonal basal pore (Fig. 14O).

Distribution. This is the first report of Chara subcylindrica in Hungary. According to Reid & Groves (1921) and Riveline (1986), this species occurs in the upper Bartonian–lower Oligocene of England, France, Belgium and Germany.