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The centrum, when viewed laterally, is slightly concave and has prominent subcentral ridges that extend from the median side of the paradiapophysial articular surfaces posteriorly to the neck of the condylus.

Columella prominent, subcentral, globose, obovoid, or turbinate; the threads of the capillitium radiating in all directions to the wall of the sporangium.

The nucleus is spherical and subcentral in position and possesses a distinct central granule.

Postcentral Fissural Complex—In this hemicerebrum, the postcentral and subcentral are combined to form a continuous fissure, attaining a length of 8.5 cm.