FIGURE 8 in New insights on Tournaisian-Visean (Carboniferous, Mississippian) athyridide, orthotetide, rhynchonellide, and strophomenide brachiopods from southern Belgium

FIGURE 8. Scatter diagrams of Leptagonia franca sp. nov. N: number of specimens measured. 1, Relation between shell width and length. 2, Relation between shell width and shell length/shell width ratio. 3, Relation beween shell width and thickness. 4, Relation between shell width and shell thickness/shell witdth ratio. 5, Relation between unrolled ventral valve length and ratio between unrolled ventral trail length (Vtl) and unrolled ventral disc length (Vdl). 6, Relation between unrolled dorsal valve length and ratio between unrolled dorsal trail length (Dtl) and unrolled dorsal disc length (Ddl).