Synura spinosa f. longispina J.B.Petersen & J.B.Hansen

Kapustin, Dmitry A., Gusev, Evgeniy S., Lilitskaya, Galina G. & Kulikovskiy, Maxim S., 2020, Silica-scaled chrysophytes from the Ukrainian Polissia, Cryptogamie, Algologie 20 (12), pp. 121-135 : 133

Synura spinosa f. longispina J.B.Petersen & J.B.Hansen

( Fig. 4K )

DISTRIBUTION. — Widely distributed ( Kristiansen & Preisig 2007).

REMARKS

The scales of this form differ from S. spinosa f. spinosa in having very long spine being longer than the plate ( Kristiansen & Preisig 2007).

Figures

FIG. 4. — Synura Ehrenb. taxa from the Ukrainian Polissia:A, Synura conopea Kynčlová & Škaloud,TEM;B, Synura echinulata Korshikov, SEM; C, Synura glabra, TEM; D, Synura heteropora Škaloud,Škaloudová & Procházková, TEM; E, Synura korshikovii Kapustin & Gusev, SEM; F, Synura macropora Škaloud & Kynčlová, TEM; G, Synura petersenii Korshikov, TEM; H, Synura petersenii f. columnata Siver, TEM; I, Synura sphagnicola (Korshikov) Korshikov, SEM; J, Synura spinosa f. spinosa Korshikov, SEM; K, Synura spinosa f. longispina J.B.Petersen & J.B.Hansen, TEM; L, Synura uvella Ehrenb. emend. Korshikov, SEM. Scale bars: A, C, D, F-H, K, 2 µm; B, E, I, J, L, 1 µm.