Brauninidae is a monotypic family of trematodes in the order Diplostomida. It consists of one genus, Braunina Heider, 1900,Heider, K. (1900). Über Braunina, ein neues Genus aus der Gruppe der Hemistomidae. Verhandlungen der Deutschen Zoologischen Gesellschaft, Leipzig, 19–22. which consists of one species, Braunina cordiformis Wolf, 1903.
Hosts Braunina cordiformis has been observed to infect certain species of porpoise such as the common bottlenose dolphin (Tursiops truncatus),Schryver, H.F., Medway, W., Williams, J.F. The stomach fluke Braunina cordiformis in the Atlantic bottlenose dolphin. J Am Vet Med Assoc. 1967;151(7):884-886. the common dolphin (Delphinus delphis),Braunina cordiformis Wolf, 1903. gbif.org. Accessed 2023-06-08. and the Indo-Pacific finless porpoise (Neophocaena phocaenoides). Braunina attaches to the membrane wall of its host's stomach and damages the wall's tissue, which can cause chronic gastritis in the host.
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