The spatangoid genus Schizaster Agassiz is recorded, for the first time, from the Lutetian (Middle Eocene) deposits of Sargaz area, south of Kerman, Iran. The Lutetian sediments of Sargaz region contain a rich and divers echinoid fauna represented by Cidaridae, Conoclypeidae, Echinolampadidae, Toxopneustidae, Phymosomatidae and Schizasteridae. Schizasteroid echinoids are an important component ...

background: genus acanthocolpus (trematoda: acanthocolpiidae) is one of the most important zoonotic digenean with wide geographic distribution in the world. the purpose of the present study was to describe morpholog-ical and morphometrical characteristics of acanthocolpus species, currently prevalent in marine fish fauna of puri coast, orissa, india. methods: gastro-intestinal organs of leiogna...

BACKGROUND Plasmodium vivax is responsible for a significant portion of malaria cases worldwide, especially in Asia and Latin America, where geo-helminthiasis have a high prevalence. Impact of the interaction between vivax malaria and intestinal helminthes has been poorly explored. The objective of this study was to evaluate the influence of intestinal helminthiasis on the concentration of hemo...

BACKGROUND The aim of this study was to determine intestinal and liver helminth infections in Rattus rodents in Tehran Iran. METHODS Overall, 306 traps were put in 39 different regions in Tehran from 2009 to 2010. Rodents, including R. rattus and R. norvegicus were caught by live-traps. They become unconscious and the spinal cords were cut, afterwards the body was dissected and the stomach, s...