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(Haeckel)

Cephalis relatively small, with two large horns (apical and vertical spines). Thorax a large, thin-walled, 3-sided pyramid with small, very regular subcircular pores and thin bars; edges of pyramid continue as 3 strong 3-bladed legs. Abdomen cylindrical, may be rudimentary. Shell height (without horns): 180-260 µm.

Ref.: Benson (1966), as Pterocanium cf. elegans.

Pterocanium elegans