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Rectelevatum

Rapheless valve

 

Recurved

The proximal internal terminations of the raphe in a rectangular, elevated, elongate structure. This structure is found in Muelleria, Scoliopleura and Neidium.


Citations

Van de Vijver, B., Mataloni, G., Stanish, L. and Spaulding, S.A. (2010). New and interesting species of the genus Muelleria (Bacillariophyta) from the Antarctic region and South Africa. Phycologia 49: 22-41. 10.2216/09-27.1