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題名 | Taxonomic Studies of Parasitic Nyctotherans from Chinese Anura Amphibians (Ⅳ): Spirocytopharynxa gen. nov. and Macrocytopharynxa gen. nov.=中國無尾兩棲類寄生腸腎蟲的分類研究(4)--旋咽腸腎蟲(Spirocytopharynxa n. gen.)和巨咽腸腎蟲(Macrocytopharynxa n. gen.)兩新屬及其種類的描述 |
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作者 | 李連祥; 汪建國; 肖武漢; | 書刊名 | 動物研究學刊 |
卷期 | 41:1 2002.01[民91.01] |
頁次 | 頁77-84 |
分類號 | 388.691 |
關鍵詞 | 無尾兩棲類; 旋咽腸腎蟲屬; 巨咽腸腎蟲屬; 新屬; 新種; Anura amphibian; Spirocytopharynxa; Macrocytopharynxa; New genus; New species; |
語文 | 英文(English) |
中文摘要 | 根據Earl在1970, 1972的報導,在系統分類方面至今已建立兩科,即斜口科(Plagiolonidae)和克氏科(Clevelandellidae)共有15個屬。Corliss 1977在Earl 1972, Albaret 1968, Amero and Sena 1967, Sheret 1982等的基礎上將原來兩科提升到5科,共18個屬,其中在無尾兩棲類寄生的只有5個屬的代表,即腸腎蟲屬(Nyctotherus Leidy 1849),擬腸腎蟲屬[Nyctotheroides (Grass? 1928) Corliss 1961],側管腸腎蟲屬(Parasicuophra Albaret 1968),短管腸腎蟲屬[Sicuophora (Wichterman 1934) de Puytorae and Grain 1968]和韋氏腸腎蟲屬(Wichtermania Earl 1972)。本文記述的4個物種,根據蟲體不對稱,無左右或上下兩片之分,具短而單一的縫線,口溝短,AZM粗大,胞咽粗而長,呈漏斗狀,或發生扭曲,或作順時針方向盤旋2-3圈等主要特徵,與上述5屬相對照,均沒有恰當的位置,特分別建立旋咽腸腎蟲屬(Spirocytopharynxa n. gen),包括3個新種;另一個是巨咽腸腎蟲屬(Macrocytopharynxa n. gen)內含1個新種知1個新組合種。旋咽腸腎蟲屬(Spirocytopharynxa j. gen.)的形態特徵與擬腸腎蟲屬(Nyctotheroides),準氏腸腎蟲屬(Wichtermania),側管腸腎蟲屬(Parasicuophra)很相近,更近以韋氏腸腎蟲屬(Wichtermania),側管腸腎蟲屬(Parasicuophra),但本新屬的種類胞咽粗,末端彎曲度超過360°,而韋氏腸腎蟲屬的類少於180°。巨咽腸腎蟲屬種類的外形,口溝情況與擬腸腎蟲屬(Nyctotherioides)相似,但前者AZM寬大,胞咽管延長呈漏斗狀,或發生疊折狀的扭曲。 |
英文摘要 | This paper describes 2 new genera and 5 new species of nyctotheransfrom Anura amphibians distributed in southern China. Based on the composition of the upper and bottom flaps, the number and position of sutural lines, the length of the oral groove, and the morphology and position of the end of the cytopharynx, the adoral zone of the membranelle (AZM), and the macronucleus, two new genera were established. The 3 new species, Spirocytopharynxa sinensis, S. guangxiensis, and S. quadranus, beling to the new a genus Spirocytopharynax. Another 2 species, Macrocytopharynxa (Nycttocheroidae Nie, 1932)pyriformis n. comb. and M. lingchuanensis n. sp., belong to the new genus Macrocytopharynxa. The characteristics for diagnosis of the 2 new genera and 5 new species are described in this paper. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。