Species: formicarum SLOAN & VAN VALEN, 1965
Etymology:

Holotype: UMVP 1460

Locality: Bug Creek Anthills, Western McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Lower jaw fragment with P3, P4 and M1.

Referred material:

SPSM 61-2071, 61-2072, 61-2703, 61-2704: p4 through m3.

SPSM 62-2066, 62-067, 62-2068, 63069, 62-2070:

 

Locality: Bug Creek West, west half of sec. 9, T22N, R43E, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

Locality: Harbicht Hill, Sec 32, T25N, R43E, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

CLEMENS, 2017

Locality: Bug Creek Anthills, UCMP Locality V65127, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

UCMP 71901, 218900, 218937: P3.

UCMP 71932, 71933, 218900, 218937, UMVP 2310: P4.

UCMP 71914, 71919, 71923, 218900, UMVP 2310: M!

UCMP 71916, 71925, 218900, 218937, UMVP 2310: M2.

UCMP 71915, 71926, 71927, 71930, 71936, 218900, 218937, UMVP 2310: M3.

UCMP 150017, 171389: p3.

UCMP 71944, 72181, 150017, 171389: p4.

UCMP 71939, 71943, 71946, 71948, 71960, 71961, 71962, 72171, 150017, 171389: m1.

UCMP 71938, 72172, 72176, 72179, 150017, 171389: m2.

UCMP 72941, 71942, 71949, 72174, 72175, 717389: m3.

 

FOX, 1989

Locality: Long Fall, MNBT Quarry, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UALVP 22785: LM1.

 

 

cf. formicarum JOHNSTON & FOX, 1984

Locality: MHBT Quarry, near the village of Ravenscrag, Saskatchewan, Canada.

Horizon: Lower Ravenscrag Formation.

Biostratigraphy:

Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UA 16075: M2.

UA 16074: M3.