Fig. 5 in Oldest mickwitziid brachiopod from the Terreneuvian of southern France

Fig. 5. Ventral valve of mickwitziid Kerberellus marcouensis Devaere, Holmer, and Clausen gen. et sp. nov. from the Terreneuvian Heraultia Member, Montagne Noire (southern France). A. USTL2859-5; A1, external view; A2, postero-lateral view; A3, detail of A2, interarea with triangular depression. B. USTL2856-5; B1, external view; B2, posterior view, interarea with triangular sinus of the subapical margin. C. USTL2859-3; C1, external view, squared area magnified in C2; C2, posterior view; C3, detail of C2, internal mould of interarea with subapical triangular depression; C4, lateral view. D. USTL2858- 4; D1, external view; D2, lateral view; D3, posterior view; D4, detail of D3, interarea with internal mould of prominent triangular structure. E. USTL2858-1; E1, external view; E2, detail of E1, apical area, pair of closely spaced tubes at the apex; E3, detail of E1, posterior area, pair of closely spaced tubes at the apex. F. USTL2859-4; posterior view, arrow pointing median furrow crossing internal mould of apex.