Compare Mastogloia floridensis
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Mastogloia frickei has nearly square partecta and two longitudinal rows of openings on the valve face, and alveolus openings on the internal valve face in the form of single pores.
LM scalebar = 10 µm
Length Range
47-86 µm
47-86 µm
Width Range
13-18 µm
13-18 µm
Striae in 10 µm
15-22
15-22