Abundance: 0.65 to 4.05% (median 1.76%)

Latitudinal range: 44.8° to 44.9°

Habitats: (5) only

Found in 5 samples

United States: Princeton Quarry (Late Palaeocene), Holly's Microsite (Late Palaeocene), UMMP SC-4 (Early Eocene), UMMP SC-54 (Early Eocene), UMMP SC-67 (Early Eocene)

See also Didymictis protenus, Didymictis proteus