Microphalloidesvajrasthirae Waikagul, 1983
This trematode was recovered from a cat from a province in Central Thailand (Waikagul J. 1983. Microphalloidesvajrasthirae n. sp. (Digenea: Microphallidae) from the small intestine of cat in Thailand. Southeast Asian J Trop Med Pub Hlth 14:260-263.). This small fluke is about 0.75 mm long and just slightly narrower than it is long. The anterior end is gentry rounded. while the posterior end is rather square. The testes are in the posterior part of the body where they are found to be widely spaced at the lateral margins of the body. The eggs are small being only about 20 m long. It is suspected, based on work performed by others with related species, that the cat became infected by the ingestion of a crab containing the metacercarial stages.