Micrantholithus bulbosus Bouché, 1962
Description: Micrantholithus with relatively straight edges and raised ridges around the sutures that widen at their ends.
Remarks: Similar to Micrantholithus flos but with raised ridges around the sutures that widen at their ends.
Neogene: Micrantholithus
Paleogene: Micrantholithus bulbosus