Globivalvulinidae Reitlinger, 1950

Gennari, Valerio, Cherin, Marco & Rettori, Roberto, 2018, Systematic revision and phylogenetic assessment of the foraminiferal family Globivalvulinidae, Acta Palaeontologica Polonica 63 (4), pp. 807-814 : 810

Family Globivalvulinidae Reitlinger, 1950

Subfamilies included: Globivalvulininae Reitlinger, 1950 ; Paraglobivalvulininae Gaillot and Vachard, 2007 ; Dagmaritinae Bozorgnia, 1973 ; Paradagmaritinae Gaillot and Vachard, 2007 .

Description.—Test biserial, globular, subglobular or elongated in shape, evolute/semi-evolute or involute/semi-involute, rounded or pinched peripheral outline, coiled, coiled to uncoiled, uncoiled. Endoskeletal partitions and supplementary deposits can be present. Test wall microgranular, single layered or plurilayered. Presence of hyaline layer in inner, median or outer position or pseudoalveolar median layer. Perforations of the wall can be present. Aperture interiomarginal depressed and protected by a valvular projection.

MICROGRANULAR WALL PORES OR PSEUDOALVEOLI (8) WITH AGGLUTINATED GRAINS (5)

pseudoalveoli

A B C

TYPE OF WALL (6) TEST WALL (7) pseudoalveolar layer single layered (0)

D

plurilayered (1)

E

Stratigraphic and geographic range.—Late Visean (Mississippian, Carboniferous) to latest Changhsingian (Lopingian, Permian); cosmopolite.