Fig. 4 in Taxonomy, nomenclature, and evolution of the early schubertellid fusulinids

Fig. 4. Type of Biwaella and Biwaella poletaevi sp. nov. A–H. Biwaella poletaevi sp. nov. A–G. Kalinovo section, P 2 Limestone, Donets Basin, Ukraine. 2 A. SUI 114238, sample A−3/31a−8, axial section of paratype (A1), box indicates the enlarged part of final volution in A1 showing coarse mural pores (A2). B. SUI 114239, sample A−3/31a−5, axial section of paratype. C. SUI 114240, sample A−3/31a−77; sagital section of paratype. D. SUI 114241, sample A−3/31a−83, axial section of holotype. E. SUI 114242, sample A−3/31a−84, axial section of paratype. F. SUI 114243, sample A−3/31a−96, axial section of paratype. G. SUI 114244, sample A−3/31a−8; sagital section of paratype. H. Biwaella omiensis Morikawa and Isomi, 1960, repository unknown, axial section of holotype, from Morikawa and Isomi (1960: pl. 54: 1);?Artinskian; Minamitoba, near Lake Biwa, Shiga Prefecture, Japan. Scale bars: A1, D–F, H 1 mm, C 0.5 mm, A2 0.1 mm, G 0.1 mm.