Yamagutirhynchus is a genus of Acanthocephala (spiny-headed worms). Yamagutirhynchus is a genus of Australian worms. Its distribution is determined by its hosts.

__TOC__ Description Yamagutirhynchus have a cylindrical proboscis with a larger middle region. Both species in the genus have 10 rows of teeth on the proboscis with 4–5 teeth on each row.

Species The genus Yamagutirhynchus Smales 2022 contains two known species: Yamagutirhynchus elliotae Smales 2022 its largest teeth are 51μm long. Yamagutirhynchus lymberyi Smales 2022 its largest teeth are 42.5μm long.

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