Trigonium arcticum Cleve 1868

• Main Authors: Al-Handal, Adil Y., Torstensson, Anders, Wulff, Angela
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2022
• Subjects: Biodiversity; Taxonomy; Chromista; Ochrophyta; Bacillariophyceae; Biddulphiales; Biddulphiaceae; Trigonium; Trigonium arcticum; Antarc*; Antarctica; King George Island
• Online Access: https://doi.org/10.5281/zenodo.11094413; http://treatment.plazi.org/id/03C487C543007374FF5FFDC8727E9CBA

Trigonium arcticum (Brightwell) Cleve (Figure 22) Literature: (Hendey 1937, p. 282, pl. 10, fig. 1; Scott and Thomas 2005, p. 18, fig. 2.6a–f). Description: Length of valve side 148–156 µm, areole 3–3.5 in 10 µm. Remarks: All specimens observed possessed slightly concave valve sides. Ecology and distribution: A marine species widely distributed in Antarctica and the Southern seas (Scott and Thomas 2005), also recorded from the sub-Arctic (Scholz and Einarsson 2015). Previously reported as an epiphyte in Potter Cove (Al-Handal and Wulff 2008b). Rare in the material examined. Published as part of 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, pp. 81-103 in Botanica Marina (Warsaw, Poland) (Warsaw, Poland) 65 (2) on page 87, DOI:10.1515/bot-2021-0066, http://zenodo.org/record/11000147