Cyathostomum

Cyathostomum

(sī'ă-thos'tō-mŭm),
A genus of small strongyle nematodes that have been variously divided into a number of genera and subgenera. Approximately 40 species affect horses and elephants, colonizing the cecum and colon; results in weight loss, hypoalbuminemia and diarrhea.
[see Cyathostoma]

Cyathostomum

a genus of strongylid nematodes of the family Strongylidae.

Cyathostomum catinatum, Cyathostomum coronatum, Cyathostomum labiatum, Cyathostomum labratum, Cyathostomum sagittatum, Cyathostomum tetracanthum
in the large intestine of horses and other equids. Heavy infestations can cause severe diarrhea.