Rectelevatum

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.

Publication Link: 10.2216/09-27.1

Rect2 — Light micrograph of a deep level of focus showing the rectelevatum in this *Neidium* species.

Relevectum — Scanning electron micrograph of an internal view of *Muelleria peraustralis* showing the rectelevatum.