PBDB Collection

Midway (Miocene of the United States)

Also known as Fuller's Earth Company

Where: Gadsen County, Florida (30.5° N, 84.5° W)

• Paleocoordinates: 33.1° N, 77.1° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: Dogtown Member (Torreya Formation), Hemingfordian (18.5 - 16.3 Ma)

Environment/lithology: terrestrial

Primary reference: G. G. Simpson. 1932. Miocene land mammals from Florida. Bulletin of the Florida State Geological Survey 10:7-41 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18561: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Mark Uhen, Philip Mannion and Patricia Holroyd

Creative Commons license: CC0 (CC0)

Taxonomic list

• NISP not determinable from text
MacFadden et al. 1991 list Rakomeryx, not clear which original i.d. this replaces

Show authors, comments, and common names

Mammalia
Carnivora - Canidae	Borophaginae indet. Borophaginae indet. Simpson 1945 bone-crushing dog canid close to "Tomarctus" and "Cynodesmus" DUPLICATE REF 3135 or 3136
Carnivora - Procyonidae	Procyoninae indet.⁵ Procyoninae indet.⁵ Gray 1825 procyonid carnivore "near Arctonasua or Cyonasua"
Carnivora - Amphicyonidae	Amphicyon pontoni n. sp. Amphicyon pontoni n. sp. Simpson 1930 bear-dog see Simpson 1930b DUPLICATE REF 3135 or 3136
Artiodactyla - Protoceratidae	Prosynthetoceras texanus⁶ Prosynthetoceras texanus⁶ Hay 1924 protoceratid includes "cf. Miolabis sp." of Simpson, see Patton 1967
Artiodactyla - Palaeomerycidae	"Aletomeryx cf. marshi" = Aletomeryx gracilis¹ "Aletomeryx cf. marshi" = Aletomeryx gracilis¹ Lull 1920 ruminant
Artiodactyla - Merycoidodontidae	Merycoidodontidae indet. Merycoidodontidae indet. Cook 1912 oreodont DUPLICATE REF 3135 or 3136
Perissodactyla - Equidae	Merychippus gunteri n. sp., Archaeohippus cf. blackbergi¹, Anchitherium clarencei n. sp. Merychippus gunteri n. sp. Simpson 1930 horse see Simpson 1930b DUPLICATE REF 3135 or 3136 Archaeohippus cf. blackbergi¹ Hay 1924 anchitheriine horse Anchitherium clarencei n. sp. Simpson 1932 anchitheriine horse NOT a jun. syn. of A. navasotae - Bryant 1990 pers. comm. DUPLICATE REF 3135 or 3136
Perissodactyla - Rhinocerotidae	? Aphelops sp. ? Aphelops sp. Owen 1845 rhinoceros DUPLICATE REF 3135 or 3136
Rodentia - Heteromyidae	Harrymys magnus¹, Proheteromys floridanus n. sp. Harrymys magnus¹ Wood 1932 rodent Proheteromys floridanus n. sp. Wood 1932 rodent DUPLICATE REF 3135 or 3136
Rodentia - Mylagaulidae	Mylagaulidae indet.¹ Mylagaulidae indet.¹ Cope 1881 rodent
Sirenia - Dugongidae	? Nanosiren sp.⁴ ? Nanosiren sp.⁴ Domning and Aguilera 2008 dugong
Reptilia
Testudines - Podocnemididae	Podocnemididae indet.³ Podocnemididae indet.³ Cope 1868 sideneck turtle
Testudines - Trionychidae	Trionychidae indet.³ Trionychidae indet.³ Gray 1825 softshell turtle
Testudines - Emydidae	Deirochelyinae indet.³ Deirochelyinae indet.³ Agassiz 1857 turtle
Testudines - Testudinidae	Testudinidae indet.³, Hesperotestudo sp.³ Testudinidae indet.³ Batsch 1788 turtle "large-bodied testudinid" Hesperotestudo sp.³ Williams 1950 turtle "small testudinid of the Hesperotestudo turgida group"
Testudines - Chelydridae	cf. Macrochelys sp.³ cf. Macrochelys sp.³ Gray 1856 alligator snapping turtle
Crocodylia - Alligatoridae	Alligator olseni² Alligator olseni² White 1942 alligator FGS V-3513 and 4186

¹Alroy 2002; ²Auffenberg 1957; ³Bourque 2016; ⁴Domning and Aguilera 2008; ⁵MacFadden et al. 1991; ⁶Patton and Taylor 1971