TABLE 1. Summary of biogeographic results included in appendix.
| Stage | Simpson Similarity Index (emphasizes similarity between two faunas) Low (≤30%) Low-medium (31-40%) Medium (41-60%) Medium-high (61-80%) High (≥81%) |
Jaccard Coefficient/Distance (emphasizes differences between two faunas) Low (≤0.30) Low-medium (0.31-0.40) Medium (0.41-0.60) Medium-high (0.61-0.80) High (≥0.81) |
| Aptian | Genus: -medium (Arundel and Ruby Ranch) -low (Arundel and Cloverly) |
Genus: -low (Arundel and Ruby Ranch, Cloverly) (medium-high distance) |
| Family: -medium-high (Arundel and Cloverly) -medium (Arundel and Ruby Ranch) |
Family: -medium (Arundel and Ruby Ranch, Cloverly) (medium, low-medium distance) |
|
| Albian | Genus: -low (all eastern-western comparisons except w/ Willow Tank) -N/A (Willow Tank) |
Genus: -low (all eastern-western comparisons except w/ Willow Tank) (high distance) -N/A (Willow Tank) |
| Family: -high (Dakota and Paluxy) -medium-high (Dakota and Wayan) -low-medium (Paluxy and Wayan, Willow Tank) -low (Dakota and Blackleaf, Willow Tank; Paluxy and Blackleaf) |
Family: -medium (Dakota and Paluxy) (low-medium distance) -low (Dakota and Blackleaf, Wayan, Willow Tank; Paluxy and Blackleaf, Wayan, Willow Tank) (medium-high, high distance) |
|
| Cenomanian | Genus: -low (all eastern-western comparisons) Family: -high (Woodbine and Mussentuchit) -low (Woodbine and Dunvegan) |
Genus: -low (all eastern-western comparisons) Family: -medium (Woodbine and Mussentuchit) -low (Woodbine and Dunvegan) |
| Turonian | N/A | N/A |
| Coniacian/Santonian | Genus: -low (all comparisons) |
Genus: -low (all comparisons) (high distance) |
| Family: -high (Niobrara and Eutaw) -medium high (Niobrara and Milk River) -low-medium (Eutaw and Milk River) |
Family: -low-medium (Niobrara and Eutaw) (medium distance) -low (Niobrara, Eutaw and Milk River) (medium-high distance) |
|
| Campanian | Genus: -low (all eastern-western comparisons; Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” and Tar Heel-Coachman) -medium-high (Tar Heel-Coachman and Marshalltown) |
Genus: -low (all eastern-western comparisons, Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” and Marshalltown) -low-medium (Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” and Tar Heel-Coachman; Tar Heel-Coachman and Marshalltown) |
| Family: -high (Mooreville Chalk- Blufftown-Coffee Sand-“Glenallen Clay” and Tar Heel-Coachman) -medium-high (Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” and Marshalltown; Tar Heel-Coachman and Marshalltown; Marshalltown and Judith River) -medium (Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” and Kirtland, Judith River, Oldman, Dinosaur Park; Tar Heel-Coachman and Judith River; Marshalltown and Kirtland, Oldman, Dinosaur Park) |
Family: -medium-high (Mooreville Chalk- Blufftown-Coffee Sand-“Glenallen Clay” and Marshalltown) (low distance) -medium (Mooreville Chalk- Blufftown-Coffee Sand-“Glenallen Clay” and Tar Heel-Coachman; Tar Heel-Coachman and Marshalltown) (low-medium distance) -low (all eastern-western comparisons) (medium-high to high distance) |
|
| Maastrichtian | Genus: -low (all eastern-western comparisons) |
Genus: -low (all eastern-western comparisons) (high distance) |
| Family: -medium (all eastern-western comparisons) |
Family: -low (all eastern-western comparisons) (medium-high, high distance) |
|
| Multiple Stages | Genus: -high (Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” Eutaw) |
Genus: -low (Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay” Eutaw) |
| Family: -high (Mooreville Chalk-Blufftown-Coffee Sand “Glenallen Clay” Eutaw) |
Family: -medium-high (Mooreville Chalk-Blufftown-Coffee Sand-“Glenallen Clay”-Eutaw) |
