operculum of gastropoda
Автор: abdoooooo1992
Загружено: 2011-11-18
Просмотров: 7890
Описание: The operculum, meaning little lid, (plural: opercula or operculums) is a corneous or calcareousanatomical structure which exists in many (but not all) groups of sea snails and freshwater snails, and also in a few groups of land snails. In other words, this structure is found in some marine and freshwater gastropods, and in a minority of terrestrial gastropods, including the familiesHelicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc.
Повторяем попытку...
Доступные форматы для скачивания:
Скачать видео
-
Информация по загрузке: