PBDB Collection

Trinity River Pit 1 (Miocene of the United States)

Also known as TMM 40196

Where: San Jacinto County, Texas (30.5° N, 95.0° W: paleocoordinates 31.0° N, 92.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Fleming Formation, Early/Lower Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the AMNH, TMM

Primary reference: R. H. Tedford, T. Galusha, M. F. Skinner, B. E. Taylor, R. W. Fields, J. R. Macdonald, J. M. Rensberger, S. D. Webb, and D. P. Whistler. 1987. Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America. In M. O. Woodburne (ed.), Cenozoic Mammals of North America: Geochronology and Biostratigraphy 153-210 [J. Alroy/J. Alroy/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18665: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Jason Head and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• may be the "Red Bluff" locality of Hesse 1943

•"225 to 300 feet below... the Cold Spring fauna": Patton and Taylor 1971

Show authors, comments, and common names

Mammalia
Perissodactyla - Equidae	Equidae indet.², Merychippus cf. insignis¹⁸, Merychippus sejunctus¹¹, "Merychippus circulus" = Calippus circulus¹⁰, Hipparion brevidontus⁶, Cormohipparion goorisi¹³, Hypohippus sp.¹⁷ Equidae indet.² Gray 1821 horse Merychippus cf. insignis¹⁸ Leidy 1856 horse Merychippus sejunctus¹¹ Cope 1874 horse "Merychippus circulus" = Calippus circulus¹⁰ Quinn 1955 horse Hipparion brevidontus⁶ hipparionine horse F:AM 109909 Cormohipparion goorisi¹³ MacFadden and Skinner 1981 hipparionine horse Hypohippus sp.¹⁷ Leidy 1858 anchitheriine horse
Perissodactyla - Rhinocerotidae	Teleoceras meridianum¹⁷, Teleoceras medicornutum¹⁷, Peraceras hessei¹⁷, Aphelops megalodus¹⁷ Teleoceras meridianum¹⁷ Leidy 1865 rhinoceros Teleoceras medicornutum¹⁷ Osborn 1904 rhinoceros Peraceras hessei¹⁷ Prothero and Manning 1987 rhinoceros Aphelops megalodus¹⁷ Cope 1873 rhinoceros
Artiodactyla - Protoceratidae	Paratoceras wardi n. sp.¹⁵, "Prosynthetoceras trinitiensis n. sp." = Lambdoceras trinitiensis¹⁴ Paratoceras wardi n. sp.¹⁵ Patton and Taylor 1973 protoceratid "Prosynthetoceras trinitiensis n. sp." = Lambdoceras trinitiensis¹⁴ Patton and Taylor 1971 protoceratid
Artiodactyla - Leptomerycidae	Pseudoparablastomeryx scotti²⁰ Pseudoparablastomeryx scotti²⁰ Frick 1937 ruminant
Artiodactyla - Palaeomerycidae	Drepanomeryx falciformis¹⁶, ? Bouromeryx sp.⁵ Drepanomeryx falciformis¹⁶ Sinclair 1915 ruminant ? Bouromeryx sp.⁵ Skinner et al. 1977 ruminant from "Trinity River LF" DUPLICATE REF 1139 or 1140 or 1145
Artiodactyla - Camelidae	Miolabis sp.⁷, Aepycamelus sp. Miolabis sp.⁷ Hay 1899 camel "Trinity River"; presumably "miolabine" of Tedford et al. 1987 Aepycamelus sp. Macdonald 1956 camel protolabine also present
Artiodactyla - Tayassuidae	"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus², "Dyseohyus stirtoni" = Stirtonhyus xiphodonticus¹⁹ "Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus² Barbour 1925 peccary "Dyseohyus stirtoni" = Stirtonhyus xiphodonticus¹⁹ Barbour 1925 peccary
Carnivora - Procyonidae	Probassariscus sp.⁴, Arctonasua cf. gracilis³ Probassariscus sp.⁴ Merriam 1911 procyonid carnivore "Left ilium MSUVP 1418" (Holman, 1996:6) Arctonasua cf. gracilis³ Baskin 1982 procyonid carnivore
Carnivora - Amphicyonidae	Amphicyon sp.¹² Amphicyon sp.¹² Lartet 1836 bear-dog
Carnivora - Canidae	Paratomarctus temerarius²² Paratomarctus temerarius²² Leidy 1858 bone-crushing dog
Rodentia - Sciuridae	Protospermophilus quatalensis¹, Protosciurus sp.¹, "Tamiini indet." = Marmotini² Protospermophilus quatalensis¹ Gazin 1930 squirrel "Trinity River" Protosciurus sp.¹ Black 1963 squirrel "Trinity River" "Tamiini indet." = Marmotini² squirrel
Rodentia -	Jimomys labaughi²¹ Jimomys labaughi²¹ Wahlert 1976 rodent
Rodentia - Castoridae	Anchitheriomys sp. Anchitheriomys sp. Roger 1885 beaver surely sensu A. fluminis
Rodentia - Cricetidae	Copemys sp.⁵ Copemys sp.⁵ Wood 1936 mouse from "Barstovian... Trinity River" DUPLICATE REF 1139 or 1140 or 1145
Reptilia
Squamata - Scincidae	Eumeces miobsoletus n. sp.⁸ Eumeces miobsoletus n. sp.⁸ skink "An anterior portion of a left maxilla SMPSMU 63681 (holotype), and almost complete pre maxilla SMUMP 63682 (paraptype), and a left dentary previously referred to as Eumeces sp. indet. (Holman, 1966, SMPSMU 61874). An additional left dentary MSUVP 1420 from the 1967 material is also assigned to this species" (Holman, 1996:7)
Squamata - Colubridae	Texasophis fossilis⁹, Salvadora paleolineata⁸, Dakotaophis greeni⁸, Neonatrix infera n. sp.⁹, Neonatrix elongata⁹ Texasophis fossilis⁹ Holman 1977 colubrid snake "One trunk vertebra MSUVP 1425" (Holman, 1996:9) Salvadora paleolineata⁸ Holman 1973 colubrid snake "Four trunk vertebrae SMPSMU 63687 and one trunk vertebra MSUVP 1424" (Holman, 1996:7) Dakotaophis greeni⁸ colubrid snake "Two trunk vertebrae SMPSMU 63686" (Holman, 1996:8) Neonatrix infera n. sp.⁹ Holman 1996 colubrid snake "A single trunk vertebra: Michigan State University Museum Vertebrate Paleontology No. 1423" (Holman, 1996:7) Neonatrix elongata⁹ Holman 1973 colubrid snake "One trunk vertebra MSUVP 1422" (Holman, 1996:8)
Squamata - Loxocemidae	Ogmophis miocompactus⁸ Ogmophis miocompactus⁸ Holman 1976 Mexican burrowing snake A trunk vertebra SMPSMU 63685" (Holman, 1996:7)
Squamata - Viperidae	Viperidae indet.⁸ Viperidae indet.⁸ Oppel 1811 viper "A single trunk vertebra SMPSMU 61876" (Holman, 1996:9)
Squamata -	"? Boavus affinis" = Boavus occidentalis⁹ "? Boavus affinis" = Boavus occidentalis⁹ Marsh 1871 snake "A trunk vertebra MSUVP 1421" (Holman, 1996:7)
Testudines - Testudinidae	Geochelone sp.⁹ Geochelone sp.⁹ Fitzinger 1835 turtle "Fifth right peripheral MSUVP 1419" (Holman, 1996:6)
Crocodylia - Alligatoridae	Alligator sp.⁹ Alligator sp.⁹ Daudin 1809 alligator "Two small teeth SMPSMU 61875 and two small teeth MSUVP 1426" (Holman, 1996:9)
Amphibia
Salientia - Ranidae	Rana pipiens⁸ Rana pipiens⁸ Schreber 1782 Northern leopard frog "One left and one right ilia, and sacral vertebra SMPSMU 61872" (Holman, 1996:6). Definitive species assignment from Holman (1996)
Salientia - Hylidae	Pseudacris (cf. Pseudacris) ocularis⁹, Hyla miocenica n. sp.⁸ Pseudacris (cf. Pseudacris) ocularis⁹ chorus frog Hyla miocenica n. sp.⁸ Holman 1966 tree frog "Left ilium SMPSMU 6187" (Holman, 1996:6)
Caudata - Urodela	Siren miotexana⁸, Notophthalmus slaughteri⁸ Siren miotexana⁸ Holman 1977 siren "One fragmentary trunk vertebra SMPSMU 61869 and four fragmentary trunk vertebrae SMPSMU 67374" (Holman, 1996:6) Notophthalmus slaughteri⁸ Holman 1966 newt "A dorsal vertebra SMPSMU 61870" (Holman, 1996:6)

¹Albright 1996; ²Alroy 2002; ³Baskin 1982; ⁴Baskin 2004; ⁵Bryant 1991; ⁶Evander 2008; ⁷Frailey 1978; ⁸Holman 1977; ⁹Holman 1996; ¹⁰Hulbert 1988; ¹¹Hulbert and MacFadden 1991; ¹²Hunt 1998; ¹³MacFadden 1984; ¹⁴Patton and Taylor 1971; ¹⁵Patton and Taylor 1973; ¹⁶Prothero and Liter 2008; ¹⁷Prothero and Manning 1987; ¹⁸Skinner and Taylor 1967; ¹⁹Stevens et al. 2023; ²⁰Taylor and Webb 1976; ²¹Wahlert 1976; ²²Wang et al. 1999