eggs: the calcareous, white eggs are deposited above the waterline on the mud. food: various water plants. aestivation: pila pesmei aestivates during the dry season. the snails bury themselves deep into the mud and can be found to depts of m. distribution: asia: cambodia, india. except where otherwise...
further reading external links etymology the word "invertebrate" comes from the latin word vertebra, which means a joint in general, and sometimes specifically a joint from the spinal column of a vertebrate. the jointed aspect of vertebra is derived from the concept of turning, expressed in the root...