Warren Micah B, Bullard Stephen A
School of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA.
Int J Parasitol Parasites Wildl. 2021 Mar 22;15:43-50. doi: 10.1016/j.ijppaw.2021.02.002. eCollection 2021 Aug.
Specimens representing two new species of blood flukes (Digenea: Aporocotylidae), each representing a new genus, were collected from the banded eagle ray, (Bloch and Schneider, 1801) Capapé and Desoutter, 1979, in Borneo, Indonesia. n. sp., n. gen. infected the heart of a banded eagle ray from Manggar, East Kalimantan, Borneo, Indonesia, and differs from its congeners by having an oviducal ampullae, an oötype posterior to all genitalia, and a uterus that extends anterior to the ovary. The new species resembles spp., which infect requiem sharks (Carcharhinidae) in the Northwestern Atlantic Ocean and Gulf of Mexico, by having a single ventrolateral row of large C-shaped tegumental spines, X- or H-shaped intestine, and a post-caecal ovary. Specimens of n. sp., n. gen. infected the heart of a banded eagle ray from Takisung, South Kalimantan, Borneo, Indonesia. The new species resembles other blood flukes that infect rays (Batoidea) by having a single, curving testis and an inverse U-shaped intestine as well as by lacking tegumental spines. It differs from all aporocotylids infecting batoids that lack spines by having a uterus that extends anteriad beyond the level of the seminal vesicle. The present study comprises the first record of an aporocotylid from Indonesia or from an eagle ray (Myliobatidae). To our knowledge, these are the first trematodes reported from a species of . The proposals of new genera and the description of two new species herein brings the total number of nominal chondrichthyan blood flukes to 13 species of 11 genera.
代表两种新的血吸虫（复殖目：无口吸虫科）的标本，每种代表一个新属，是从印度尼西亚婆罗洲的带状鹰魟（Bloch和Schneider，1801年；Capapé和Desoutter，1979年）采集的。新属新种感染了来自印度尼西亚婆罗洲东加里曼丹省曼加的一条带状鹰魟的心脏，与同属其他物种的区别在于有输卵管壶腹、位于所有生殖器官后方的卵模，以及延伸到卵巢前方的子宫。该新物种与感染西北大西洋和墨西哥湾真鲨（真鲨科）的某些物种相似，具有单列腹外侧大C形体表棘、X形或H形肠道以及盲肠后卵巢。新属新种的标本感染了来自印度尼西亚婆罗洲南加里曼丹省塔基松的一条带状鹰魟的心脏。该新物种与其他感染魟（鲼形目）的血吸虫相似，具有单个弯曲的睾丸和倒U形肠道，且没有体表棘。它与所有感染无棘魟类的无口吸虫科物种的区别在于其子宫向前延伸超过精囊水平。本研究是印度尼西亚或鹰魟（鲼科）无口吸虫科的首次记录。据我们所知，这些是首次从某物种报道的吸虫。本文新属的提议和两个新物种的描述使已知的软骨鱼类血吸虫总数达到11属13种。
