Abundance: 1.81 to 18.71% (median 8.55%)

Latitudinal range: 43.3° to 46.2°

Habitats: (8) only

Found in 8 samples

United States: Douglass Quarry (Middle Palaeocene), Cedar Point Quarry (Late Palaeocene), Princeton Quarry (Late Palaeocene), Holly's Microsite (Late Palaeocene), UMMP SC-4 (Early Eocene), UMMP SC-54 (Early Eocene), UMMP SC-67 (Early Eocene), Shotgun (Carnegie Museum) (Middle Palaeocene)

See also Ectocion cedrus, Ectocion collinus, Ectocion mediotuber, Ectocion osbornianus, Ectocion parvus