While surveying the parasites of birds associated with western Alabama aquaculture ponds, we collected several specimens of Anativermis normdroneni n. gen., n. sp. (Digenea: Cyclocoelidae) from the nasopharyngeal cavity of a Canada goose, Branta canadensis (Linnaeus, 1758) (Anseriformes: Anatidae). These flukes were heat killed and fixed in neutral buffered formalin for morphology or preserved in 95% ethanol for DNA extraction. Anativermis resembles Morishitium (Witenberg, 1928) by having testes that are spheroid with smooth margins and located in the posterior quarter of the body, an anterior testis that is lateral to the midline and abuts the respective cecum, a posterior testis that is medial (testes diagonal) and abuts the cyclocoel, a genital pore that is immediately postpharyngeal, and a vitellarium that is discontinuous posteriorly. The new genus differs from Morishitium and is unique among all other cyclocoelid genera by having the combination of a body that is broadest in the anterior body half, a posterior body end that is more sharply tapered than the anterior body end, an ovary that nearly abuts the posterior testis, a vitellarium that is asymmetrical and distributes from the area immediately posterior to the cecal bifurcation posteriad to approximately the level of the ovary, and uterine loops extending dorsolateral to the ceca and filling the space between the ceca and the respective body margin for nearly the entire body length. The new genus was recovered as a distinct lineage in separate 28S, 18S, and ITS2 phylogenetic analyses. This is the first report of a cyclocoelid infecting the Canada goose and of a cyclocoelid from Alabama.

在调查与阿拉巴马州西部水产养殖池塘相关的鸟类寄生虫时，我们收集了一些Anativermisnordroneni n 的标本。将军，n. sp。（Digenea：Cyclocoelidae）来自加拿大鹅，Branta canadensis（Linnaeus，1758）（雁形目：Anatidae）的鼻咽腔。这些吸虫被热灭活并固定在中性缓冲福尔马林中以进行形态学分析或保存在 95% 乙醇中以进行 DNA 提取。Anativermis类似于Morishitium (Witenberg, 1928)，其睾丸呈球形，边缘光滑，位于身体后四分之一，前睾丸位于中线外侧并邻接相应的盲肠，后睾丸位于内侧（睾丸）对角线）并邻接环腔、紧邻咽后的生殖孔和后面不连续的玻璃管。这个新属与Morishitium不同，在所有其他环腔科属中是独一无二的，它具有前半体最宽的身体、比前体端更尖锐的后体端、几乎邻接的子房。后睾丸，不对称的卵黄，从紧邻盲肠分叉后部的区域分布到大约卵巢的水平，子宫袢延伸到盲肠的背外侧并填充盲肠和相应身体边缘之间的空间几乎整个身体的长度。在单独的28S、18S和ITS2系统发育分析中，新属被恢复为独特的谱系。这是环腔类动物感染加拿大鹅和来自阿拉巴马州的环腔类动物的首次报告。