Abundance: 0.02 to 27.27% (median 2.52%)

Latitudinal range: 18.5° to 53.1°

Habitats: (12), closed basin (1)

Found in 13 samples

Czech Republic: Mokrá-Western Quarry (Early Miocene)

Germany: Untereichen-Altenstadt 540 m (Early Miocene), Untereichen-Altenstadt 565 m (Early Miocene), Griesbeckerzell 1b (Middle Miocene)

Russia: Togay (Early Miocene)

Thailand: Doi Pha Kan (Late Pleistocene)

United States: Taddlock (Holocene), McLelland (Holocene), Croley-Evans (Holocene), Watson Brake (6.4 mm fraction) (Holocene), Scovill (Holocene), Hosterman's Pit (Holocene), Pratt slide (Late Miocene)

See also Viperidae Agkistrodon sp., Viperidae Crotalus sp., Viperidae indet., Viperidae sp., Viperidae sp./"? Vipera (‘oriental complex’"