B. Papp szerk.: Studia Botanica Hungarica 30-31. 1999-2000 (Budapest, 2000)

Rákosi, László; Barbacka, Mária: Upper Cretaceous flora from Ajka (W Hungary). I. Thallophyta

Division: Charophyta Class: Charophyceae Order: Charales Family: Characeae Subfamily: Charoideae Genus: Amblyochara Grambast 1962 Amblyochara begudiana Grambast 1962 Remark: This species was described from the locality near Ajka (RÁKOSI 1989, p. 24, Pl. V, Figs 1,4). Genus: Mesochara Grambast 1962 Mesochara symmetrica (Peck) Grambast 1962 Remark: This species was described from the locality near Ajka (RÁKOSI 1989, p. 24). Genus: Microchara Grambast 1959 Microchara laevigata Grambast et Gutierrez 1977 Remarks: This species has already been described from this locality by Rákosi (1989, p. 23, Pl. V, Figs 2-3, 5). The samples are found mainly in marl or clay layers. In the material they are often found as compressed gyrogonites. This species is dominant in the borehole No 1 in Somlóvásárhely, from 1368.2 and 1380.5 m, and also common in the borehole No 1 in Nemeshany, from 675.5-675.6 m. Age: Upper Cretaceous, Ajka Coal Formation.