| Transverse grand pyrg | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda |
| Superfamily: | Rissooidea |
| Family: | Hydrobiidae |
| Subfamily: | Nymphophilinae |
| Genus: | Pyrgulopsis |
| Species: | P. cruciglans |
| Binomial name | |
| Pyrgulopsis cruciglans Hershler, 1998 |
|
The transverse grand pyrg (Pyrgulopsis cruciglans) is a species of gastropod in the Hydrobiidae family. It is endemic to the United States.