''Oesophagostomum'' is from the superfamily ''[[Strongyloidea]]''. The female is larger than the male at around 2cm in length. The family is characterized by a large buccal capsule, and has leaf crowns surrounding the mouth. | ''Oesophagostomum'' is from the superfamily ''[[Strongyloidea]]''. The female is larger than the male at around 2cm in length. The family is characterized by a large buccal capsule, and has leaf crowns surrounding the mouth. |