Brissette B L, Campbell R A
Department of Biology, University of Massachusetts, Dartmouth 02747.
J Parasitol. 1994 Aug;80(4):650-4.
The armature of Synbothrium filicolle (Linton, 1890) is shown, based upon examination of Linton's specimens, by light and scanning electron microscopy. This species, a junior synonym of Pterobothrium heterocanthum Diesing 1850, represents the species upon which the genus Pterobothrium Diesing, 1850 was created, but details of the external surface of the tentacular armature have never been established with certainty. A longitudinal band of spiniform microhooks on the external tentacular surface clearly distinguishes this species from the otherwise similar Pterobothrium acanthotruncatum Escalante and Carvajal, 1984. The band merges with a triangular group of uncinate hooks in the basal armature not previously described. The 2 Brazilian species, P. crassicolle Diesing, 1850 and P. heteracanthum, used in the creation of the genus, both possess an external band of hooks. Three different modifications of the armature of the external surface have been described for species of Pterobothrium. These include a discrete band of microhooks, small groups of microhooks continuous with the intercalary rows, and the absence of a band of microhooks.
基于对林顿标本的检查，通过光学显微镜和扫描电子显微镜展示了丝状联盘吸虫（Synbothrium filicolle，林顿，1890年）的电枢。该物种是异形翼盘吸虫（Pterobothrium heterocanthum，迪辛，1850年）的次异名，是1850年翼盘吸虫属（Pterobothrium，迪辛）建立所依据的物种，但触手电枢外表面的细节从未得到确切证实。触手外表面的一条纵向棘状微钩带清楚地将该物种与其他方面相似的1984年埃斯卡兰特和卡瓦哈尔描述的截棘翼盘吸虫（Pterobothrium acanthotruncatum）区分开来。这条带与基部电枢中一组以前未描述过的钩状钩的三角形群相连。用于建立该属的两个巴西物种，即1850年迪辛描述的粗翼盘吸虫（P. crassicolle）和异形翼盘吸虫（P. heteracanthum），都具有外部钩带。已描述了翼盘吸虫属物种外表面电枢的三种不同变体。这些包括一条离散的微钩带、与间插排连续的小群微钩以及没有微钩带。
