Leiobunum calcar
- kingdom: Animalia
- phylum: Arthropoda
- class: Arachnida
- order: Opiliones
- family: Sclerosomatidae
- genus: Leiobunum
- species: Leiobunum calcar
Greenfield
MassachusettsCreve Coeur
MissouriMillvale
PennsylvaniaMurfreesboro
Tennessee
United States