[Morphology of Urospora chiridotae (Sporozoa: Gregarinomorpha: Eugregarinida) from sea cucumber Chiridota laevis (Echinodermata: Holothuroidea: Apoda)].


Several morphological forms (morphotypes) of Urospora chiridotae gamontes are found in White Sea holothuroid Chiridota laevis. All these morphotypes are differed by localization in the body of host, form and cytological features. The gregarines are situated in several host biotopes, such as blood vessels, intestine and mesenteries. In the blood vessels… (More)