Recent benthonic foraminifera from brazil morphology and ecology part 1 polystomammininae new subfamily of the trochamminidae and description of polystomammina planulata from the campos shelf
Bronnimann, P.; Beurlen, G., 1977: Recent benthonic foraminifera from brazil morphology and ecology part 1 polystomammininae new subfamily of the trochamminidae and description of polystomammina planulata from the campos shelf. Archives des Sciences (Geneva) 30(1): 77-85
P. nitida (Brady), 1884, is compared with the closely related P. planulata (Mikhalevitch), 1971, encountered in the nearshore area of the Campos shelf, Brazil, Lat. S 21.degree. 30'/22.degree. 30' and Long. W 40.degree. 30'/41.degree. 30'. P. planulata, apparently a cold to temperate water species is illustrated by scanning photographs. The new trochamminid subfamily Polystomammininae Bronnmann and Beurlen with Polystomammina Seiglie, 1965, as type genus is proposed.