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关于并殖吸虫(Paragonimidae)的分类问题,长期以来一直延用比较形态学方法。但随着对并殖吸虫的日益深入的研究,这种比较形态学的方法已远远不能适应需要。目前,全世界并殖吸虫命名已达40多种,还不断有新种报导。这些命名中有相当一部分命名的独立性仍有争议,这些问题很难以比较形态学的方法去解决。曾有人提出形态加生活史的分类方法,但是对于一个未知种,我们首先接触到的是虫体,一般情况下则不先去搞则生活史,而且,目前已知种搞清生活史者也不多。所以,要解决目前分类方面的某些混乱,并为今后鉴别形态相似的虫种提供新的、更客观的分类指标,很多人已认识到了非形态、生活史方面的重要性,并已进行了初步研究。
For the classification of Paragonimidae, comparative morphological methods have long been used. However, with the increasingly in-depth study of paragonimiasis, this comparative morphological approach is far behind the need. Currently, over 40 species of Paragonimus are named all over the world, and new species are constantly reported. It is still debatable that a considerable part of the nomenclature of these nomenclatures is independent of the nomenclature that is difficult to resolve in a more morphological way. Someone proposed a classification of life and lifestyle, but for an unknown species, we first came into contact with parasites. In general, we did not go to engage in life history first, not much. Therefore, to resolve some of the current chaos in classification and to provide new and objective indicators of classification for future identification of species with similar morphology, many people have recognized the importance of non-morphological and life history and have done so initial research.