Trochoaster mexicanus Stradner, 1959
Roth, P. H. 1973. Calcareous nannofossils: Leg 17 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 17: 695-795.
Stradner, H., 1959a. Die fossilen Discoasteriden Osterreichs. II. Erdoel-Zeitschrift. 75(12), 472-488.
Trochoaster mexicanus
Stradner, 1959a
Middle Eocene
Aragon, Mexico