Abundance: 0.01 to 54.65% (median 3.06%)
Latitudinal range: -38.6° to 56.3°Habitats: (50) only
Found in 50 samples
Argentina: Paso Otero 4 (water well) (Holocene)
Australia: Widgingarri Rockshelter 2 (Upper Shell Unit B) (Holocene)
Cameroon: Shum Laka rock shelter (Lower Horizon; gray ash) (Holocene), Shum Laka rock shelter (Middle/Upper Horizon; gray ash) (Holocene)
Canada: Charlie Lake Cave (Zone IV) (Holocene)
Ecuador: La Chimba (Holocene)
Ethiopia: Andalee (Middle Pleistocene)
Georgia: Udabno 24 (Late Miocene)
Germany: Echzell (Early Miocene)
Greece: Ano Metochi-2 (Late Miocene), Ano Metochi-3 (Late Miocene)
Israel: Manot Cave (Area D, Biogenic Unit) (Late Pleistocene), Yiftah'el (Holocene), Marj Rabba (Holocene), El-Wad Cave (Early Natufian) (Late Pleistocene), El-Wad Cave (Late Natufian) (Late Pleistocene), Revadim Quarry (Middle Pleistocene), Revadim Quarry Area B (Middle Pleistocene)
Italy: Monticino Quarry (Late Miocene)
Kenya: Usenge 3 (Urewe) (Holocene)
Lesotho: Sehonghong (GWA) (Holocene), Sehonghong (ALP) (Holocene), Sehonghong (SA) (Holocene)
Namibia: Arrisdrift (Middle Miocene)
Papua New Guinea: Balof Shelter (Horizon I) (Holocene), Balof Shelter (Horizon II) (Holocene), Balof Shelter (Horizon III) (Holocene), Balof Shelter (Horizon IV) (Holocene), Balof Shelter (Horizon V) (Late Pleistocene), Balof Shelter (Horizon VI) (Late Pleistocene), Balof Shelter (Horizon VII) (Late Pleistocene)
South Africa: Plovers Lake (Late Pleistocene), Spitzkloof A Rockshelter (MIS 2) (Late Pleistocene), Spitzkloof A Rockshelter (MIS 3) (Late Pleistocene)
Spain: Can Roqueta II (Holocene)
Sudan: Gala Abu Ahmed (Holocene)
Tanzania: Kuumbi Cave (Trench 10, Phase 1b) (Holocene), Kuumbi Cave (Trench 10, Phase 2) (Pleistocene - Holocene), Kuumbi Cave (Trench 10, Phase 3) (Late Pleistocene)
Thailand: Spirit Cave (Layer 2) (Holocene), Tham Lod rockshelter (Unit 2) (Late Pleistocene)
Turkey: Direkli Cave (Holocene), Kargi 1 (Late Oligocene), Bagiçi (Late Oligocene), Keseköy (Late Oligocene), Kargi 3 (Late Oligocene)
United States: Burris (Holocene), Steck (Holocene), Watson Brake (3.2 mm fraction) (Holocene), Cumberland Cave (Middle Pleistocene)
See also Serpentes