| Acanthometropus pecatonica | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Ephemeroptera |
| Family: | Siphlonuridae |
| Genus: | Acanthometropus |
| Species: | A. pecatonica |
| Binomial name | |
| Acanthometropus pecatonica |
|
The Pecatonica River mayfly, Acanthometropus pecatonica, was a species of insect in the family Siphlonuridae. It was endemic to the Pecatonica River in the United States.