HEMIGORDIINAE Reitlinger

Vachard, Daniel & Le Coze, Francois, 2024, Paleozoic Foraminifera: Current State Of The Classification And Perspectives, Acta Palaeontologica Romaniae 20 (2), pp. 97-130 : 123

Subfamily HEMIGORDIINAE Reitlinger in Vdovenko et al., 1993

Test small, discoid to inflated, and small- to moderatesized. Undivided, tubular chamber showing generally two or three successive types of coiling with one at least which is planispiral and involute often becoming evolute in the last whorls. Initial coiling glomospiral/streptospiral, sometimes agathamminoid or subquinqueloculine. Lumen of chamber reniform or semicircular. Pseudosepta present in a few taxa (e.g., Hemigordius irregulariformis Zaninetti, Altıner & Çatal, 1981 and Septigordius Gaillot & Vachard, 2007 ). Wall porcelaneous, unilamellar at the periphery, but with several lamellae covering the flanks. Aperture terminal, simple, at the extremity of the tubular chamber.

Composition: Hemigordius Schubert, 1908 ; Brunsiella Reitlinger, 1950 ; Okimuraites Reitlinger in Vdovenko et al., 1993; Praeneodiscus Vachard, Krainer & Lucas, 2015 ; Pseudohemigordius Nestell & Nestell, 2006 ; Rectogordius Alipour & Vachard in Alipour, Hosseini-

Nezhad, Vachard & Rashidi, 2012; Septigordius Gaillot & Vachard, 2007 .