Calculites rhachis
Varol, in prep.
Feb 02, 2026
SEM photo of Calculites rhachis from Hatter & Wise, 1980 (Pl. 27, Fig. 6)
Set number: 3000
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10µm
Final Epithet
Calculites rhachis Varol, in prep.
Basionym
Calculites rhachis Varol, in prep.
Etymology
From Greek rhachis, ridge, referring to its distal ridges