Ceratolithus tricorniculatus Gartner, 1967
Gartner, S. & Bukry, D., (1975): Morphology and phylogeny of the coccolithophycean family Ceratolithaceae. - Journal of Research of the U.S. Geological Survey. 3: 451-465.
Gartner, S., (1967): Calcareous nannofossils from Neogene of Trinidad, Jamaica, and Gulf of Mexico. - University of Kansas Paleontological Contributions, Papers. 29: 1-7.
Ceratolithus tricorniculatus
Gartner, 1967
Early Pliocene
Sigsbee knolls, Gulf of Mexico.