Photos and schematic drawings of nests of four species of Rhodanthidium. Rhodanthidium septemdentatum A shell of Caucasotachea vindobonensis with closing plug made of resin B schematic drawing of the inner nest structure in the shell. Rhodanthidium sticticum C shell of Eobania vermiculata with closing plug made of resin and soil particles D schematic drawing of the inner nest structure in the shell E photo of the shell with larva, pollen and filling of stones and plant partitions. Rhodanthidium siculum F shell of Eobania vermiculata with closing plug made of resin, sand and shell particles G schematic drawing of the inner nest structure in the shell. Rhodanthidium infuscatum H schematic drawing of the inner nest structure in the shell.