Phylum: Charophyta   Family: Desmidiaceae

Teilingia granulata  (J. Roy & Bisset) Bourrelly

Widespread and quite common in circumneutral waters. Very similar to the genus Spondylosium but separated by the apical and side granules

References: 
Coesel, P.F.M. & Meesters, K.J. (2007) Mesotaeniaceae and Desmidiaceae of the European Lowlands
John, D.M. & Williamson, D.B. (2009) A Practical Guide to the Desmids of the West of Ireland
Tsarenko, P.M., Wasser, S.P. & Nevo, E. editors (2014) Algae of Ukraine, Volume 4: Charophyta