(A–H) Lower Cambrian tunicate Shankouclava shankouense gen. et sp. nov. from the Maotianshan Shale, at Shankou Village, Anning, near Kunming. (A and B) Part and counterpart of holotype (SK01001), showing an oral siphon with oral tentacles at its base, a U-shaped gut, body segments, branchial bars and branchial slits. (C and D) Enlargment of A and B, respectively, showing details of the oral siphon with oral tentacles at its base. (E) A laterally to ventro-laterally compacted specimen (SK01002) showing a strip-like endostyle along the ventral part of the pharynx, a not clearly visible atrial pore dorsally, body segments, and U-shaped gut. (F) A specimen showing a complete pharynx (SK01004) with branchial bars. (G) The posterior part of a specimen (SK01005) with attaching stolons. (H) A nearly complete specimen (SK01003), showing both sides of the pharyngeal wall with the overlying mantle and tunic. (I–K) Lower Cambrian lophophorate Phlogites (= Cheungkongella) from the Maotianshan Shale, at Ercai Village, Haikou, near Kunming. (I and J) Part and counterpart of a laterally compacted specimen (EC01001a,b), showing a large, darkly stained body coelom containing the coiled gut, and a stalk attaching to a trilobite fragment. (K) A specimen (EC01002) with well preserved branched arms on distal margin of calyx. A, arms; An, anus; Ap, possible atrial pore; At, atrium; B, branchial bars; Bc, body coelom; Bs, branchial slits; En, endostyle; Es, esophagus; In, intestine; Lb, left set of branchial bars; M, mantle; Ml, left mantle; Mo, mouth; Mr, right mantle; Os, oral siphon; Ot, oral tentacle; Ph, pharynx; Rb, right set of brachial bars; S, stolons; Se, body segments; Sm, stomach; St, stalk; Tl, tunic on left side; Tr, tunic on right side. (Scale bars, 5 mm in A, B, E, F, and H; 2 mm in C, D, and G; and 10 mm in I–K.)