Serratifera rhombica S.Sato, Chunlian Li & Witkowski, 2018

Lobban, Christopher S. & Witkowski, Andrzej, 2023, Marine benthic diatoms of Guam: new records, Dictyoneis apapae sp. nov., and updates to the checklist, Micronesica 2023 (2), pp. 1-75 : 15

Serratifera rhombica S.Sato, Chunlian Li & Witkowski Figs 96, 97

Ref. illus.: C. Li et al. 2018, p. 81, figs 431–436

Sample: GU52P-9

Dimensions: Length 8 µm, width 2.7 µm, striae 13 in 10 µm

Diagnostics: Small, rhomboidal (slightly heteropolar). Spines have accessory spines alongside, but these are not clear in our images.

Figures

Figures 91–97. Pseudictyota and Serratifera, SEM except Fig. 91. Figs 91–93. Pseudictyota bicorne. Fig. 91. Frustule in girdle view, stacked focal planes. Figs 92, 93. Valve view in SEM and detail of pseudoloculi. Figs. 94, 95. Serratifera andersonii frustules in valve and girdle view. Figs. 96, 97. Serratifera rhombica frustules in valve and girdle view. Scale bars: Fig. 91 = 10 µm, Fig. 92 = 15 µm, Fig. 93 = 5 µm, Figs 94–97 = 2 µm.