Lyrella cf. hennedyi f. furcata H. Peragallo

Park, Joon Sang, Lobban, Christopher S. & Lee, Kyun-Woo, 2018, Diatoms associated with seaweeds from Moen Island in Chuuk Lagoon, Micronesia, Phytotaxa 351 (2), pp. 101-140 : 108

20. Lyrella cf. hennedyi f. furcata H. Peragallo Fig. 25

References: Peragallo & Peragallo (1897 –1908), pl. 24, figs 16, 17; Hustedt (1927 –1966), fig. 1516a, d; Siqueiros-Beltrones et al. (2017), p. 17, figs 20 and 23.

Samples: Moen2_ Dictyota, Moen 3_ Padina

Dimensions: 32.4–37.4 μm long, 16.8–19.5 μm wide; 15 striae in 10 μm.

Comments: Valve shape is similar to L. hennedyi var. furcata ( Siqueiros-Beltrones et al. 2017) , but the number of striae is denser than L. hennedyi var. furcata (11–12 striae in 10 μm).

Figures

FIGURES 23–34. Ten diatom species of Lyrellaes, Cymbellales and Cocconeidales.Fig. 23. Lyrella clavata var. caribaea. Fig. 24. L. lyra. Fig. 25. L. hennedyi var. furcata. Fig. 26. Moreneis hexagona. Fig. 27. Petroneis granulata. Figs 28 and 29. Cocconeis scutellum. Figs 30 and 31. C. heteroidea. Fig. 32. C. convexa. Fig. 33. Gomphonemopsis littoralis. Fig. 34. Achnanthes brevipes. Scale bar = 10 μm.