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Fig. 10 | BMC Evolutionary Biology

Fig. 10

From: Five new species of dictyostelid social amoebae (Amoebozoa) from Thailand

Fig. 10

Cavenderia subdiscoidea (TH1A). a. Late median violaceum-type aggregation (left) and a small mound, sometimes with radiate streams (right) or with minute ample streams (above). b. A series of developing early solitary sorogens, club-shaped, pyriform, then elongated and migrating free when small (above left) and with a stalk formation (above right). A solitary branched early-late sorogen (below, left and center) and a cluster of late sorogens (below, right). c. Three solitary sorocarps, two of them with prostrate lower sorophores of different sizes (left), a cluster of two large sorocarps, with some branches and with ascending masses of pseudoplasmodia and patchy areas of slime and myxamoebae at the base, one sorocarp with a very elongated and weaving tip (center), a smaller curved unbranched solitary fruiting body (right). A halo surrounding bases is represented in all figures. d Two bases, a clavate slightly digitate base strongly attached by aprons of sheath (above, left), an irregular round base on a disk of dense slime, cells as microcysts immersed in a dense slime (above, right). Two massive curved clavate bases, one with a cell connection with another within a cluster (below). e Three tips, simple celled with abundant slime (left), a terminal broken segment (center) a flexuous capitate tip (right), all cells of regular to small size. f. Narrow large elliptical spores with prominent large regular consolidated PG with halos. Below, two spore coats (out of scale). g Microcysts. h Active myxamoebae with two-four large-median vacuoles, two main black spots. Scale bars: a, b: 300 μm; c: 0.5 mm; d, e: 15 μm; f: 6 μm; g: 2 μm; h: 10 μm

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