MONODIEXODININAE Rauzer-Chernousova et al., 1996

Vachard, Daniel & Le Coze, Francois, 2024, Paleozoic Foraminifera: Current State Of The Classification And Perspectives, Acta Palaeontologica Romaniae 20 (2), pp. 97-130 : 119

Subfamily MONODIEXODININAE Rauzer-Chernousova et al., 1996

Test involute ovoid, fusiform to strongly elongated,

fusiform and subcylindrical, rarely unfolded in the last whorl; the spiral is uniformly expanding, sometimes free from the first whorl; wall moderate to thick with fine or coarse alveolar keriotheca; intense folding, spreading along the entire length of the test, the depth of folding varies from limited to the lower edge of the septum to widespread throughout the entire septum, in some genera it is irregular, in most it is quite regular, especially in the middle part of the test, where the arches are uniform in shape and height; the cuniculi are low and narrow, only in one to three external whorls; phrenothecae variable; secondary deposits in the form of unstable axial fillings; weak chomata often replaced by pseudochomata in the external whorl.

Composition: Monodiexodina Sosnina in Kiparisova et al., 1956; Alaskanella Skinner & Wilde, 1966 ; Eoparafusulina Coogan, 1960 ; Mccloudia Ross, 1967 ; Pseudofusulinoides Bensh, 1972 ; Qinglongella nomen novum; Timanites Davydov & Arefifard, 2007 .