Amphora gourdonii M. Peragallo, 1921

Al-Handal, Adil Y., Torstensson, Anders & Wulff, Angela, 2022, Revisiting Potter Cove, King George Island, Antarctica, 12 years later: new observations of marine benthic diatoms, Botanica Marina (Warsaw, Poland) 65 (2), pp. 81-103 : 95

Amphora gourdonii M. Peragallo ( Figure 85 )

Literature: (Al-Handal and Wulff 2008b, p. 413, figs. 91, 92; Peragallo 1921, p. 60, pl. 2, fig. 23).

Description: Length 38–55 µm, width 8–9 µm, dorsal striae 9–10 in 10 µm, ventral striae 10–12 in 10 µm.

Ecology and distribution: An Antarctic marine species. Distribution of this species is not known and it has only been reported from two locations in Antarctica (see Al-Handal and Wulff 2008b). Previously found as a rare epiphyte in Potter Cove. Frequent in the present material.

Figures

Figures 79–92: Marine benthic diatoms in Potter Cove, King George Island, Antarctica, summer 2015. (79) Gyrosigma arcuatum. (80) Gyrosigma fasciola. (81) Gyrosigma cf. obscurum. (82) Pleurosigma eudon var. kerguelensis. (83) Pleurosigm diversestriatum. (84) Pleurosigma strigosum. (85) Amphora gourdonii. (86) Amphora marina. (87, 88) Amphora sp. 1. (89) Amphora sp. 2. (90) Cylindrotheca closterium. (91, 92) Fragilariopsis cylindrus.