Brönnimann, P.; Brown, N. K. (1953). Observations on some planktonic Heterohelicidae from the Upper Cretaceous of Cuba. Contribution from the Cushman Foundation for foraminiferal research. 4(4): 150-156.
260758
Brönnimann, P.; Brown, N. K.
1953
Observations on some planktonic Heterohelicidae from the Upper Cretaceous of Cuba
Contribution from the Cushman Foundation for foraminiferal research