Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia)

• Main Authors: Titova, Lybov’ А., Hassan, Abdulmonem I., Usoltseva, Marina V.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Altai State University 2022
• Subjects: Aulacoseira capitalina; elliptical valves; fossil diatoms; Middle Miocene; Titova; Sibirica
• Online Access: http://journal.asu.ru/biol/article/view/12170; https://doi.org/10.5281/zenodo.7726461

Using light and scanning electron microscopy, a new species Aulacoseira capitalina Titova et Usoltseva from the Middle Miocene deposits of the Barguzin Valley is described. It is shown that the new species is similar to other elliptical species in terms of elliptical valve face profile, diameter, de...