Abundance: 0.40 to 18.71% (median 4.17%)
Latitudinal range: 41.5° to 49.6°Habitats: (16) only
Found in 16 samples
Canada: Police Point (Middle Palaeocene)
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), Chappo Type Locality (Late Palaeocene), Big Multi Quarry (Late Palaeocene), Mark's Locality (Late Palaeocene), Divide Quarry (Middle Palaeocene), Croc Tooth Quarry (Late Palaeocene), Y2K Quarry (Late Palaeocene), Fossil Butte (FB-16) (Early Eocene)
See also Ectocion cedrus, Ectocion collinus, Ectocion mediotuber, Ectocion osbornianus, Ectocion parvus, Ectocion sp., Ectocion superstes