PBDB Collection

Rio Acre: Tortonian, Brazil

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Actinopteri - Characiformes - Characidae

	Colossoma sp. Cuvier 1818	Frailey 1986
Actinopteri - Siluriformes - Callichthyidae

	Callichthyidae indet. Gill 1872	Frailey 1986
Actinopteri - Siluriformes - Pimelodidae

	Pimelodidae indet. Eigenmann and Eigenmann 1918	Frailey 1986
Actinopteri - Siluriformes - Doradidae

	Doradidae indet.	Frailey 1986
Actinopteri - Osteoglossiformes - Osteoglossidae

	Osteoglossidae indet. Bonaparte 1832	Frailey 1986
Mammalia - Cingulata - Propalaehoplophoridae

	Asterostemma sp. Ameghino 1889	Cozzuol 2006
Mammalia - Cingulata - Glyptodontidae

	Paraglyptodon sp. Castellanos 1932	Cozzuol 2006

	Plohophorus sp. Ameghino 1887	Cozzuol 2006
Mammalia - Cingulata - Pampatheriidae

	Kraglievichia sp. Castellanos 1927	Cozzuol 2006
Mammalia - Cingulata - Pachyarmatheriidae

	Neoglyptatelus sp. Carlini et al. 1997	Cozzuol 2006
Mammalia - Cingulata - Dasypodidae

	Anadasypus sp. Carlini et al. 1997	Cozzuol 2006
Mammalia

	Tardigrada indet. Latham and Davies 1795	Cozzuol 2006
Mammalia - Mylodontidae

	Mylodontidae indet. Ameghino 1889	Cozzuol 2006
	gen. et sp. nov.

	Ranculcus sp. Ameghino 1891	Cozzuol 2006

	Octodontobradys puruensis Santos et al. 1993	Cozzuol 2006

	Stenodon campbelli n. gen., n. sp. Frailey 1986	Frailey 1986

	Urumacotherium campbelli (Frailey 1986)	Cozzuol 2006

	Pseudoprepotherium venezuelanum Hoffstetter 1961	Cozzuol 2006
Mammalia - Megalonychidae

	Megalonychidae indet. Gervais 1855	Frailey 1986

	Pliomorphus sp. Ameghino 1885	Cozzuol 2006

	cf. Protomegalonyx sp. Kraglievich 1925	Cozzuol 2006

	cf. Hapalops sp. Ameghino 1887	Cozzuol 2006
Mammalia - Nothrotheriidae

	Mionothropus cartellei De Iuliis et al. 2011	De Iuliis et al. 2011
	type: LACM 4609 ⁄ 117533 (= Nothropus priscus Frailey, 1986).
Mammalia - Megatheriidae

	cf. Planops sp. Ameghino 1887	Cozzuol 2006
Mammalia - Sirenia - Trichechidae

	Ribodon limbatus Ameghino 1883	Cozzuol 2006
Mammalia - Proboscidea - Gomphotheriidae

	Amahuacatherium peruvium Romero-Pittman 1996	Cozzuol 2006
Mammalia - Notoungulata - Toxodontidae

	Paratrigodon sp. Cabrera and Kraglievich 1931	Ribeiro et al. 2013

	Neotoxodon pascuali	Cozzuol 2006

	Minitoxodon acrensis	Cozzuol 2006

	Mesenodon juruaensis	Cozzuol 2006

	Palaeotoxodon sp. Ameghino 1904	Ribeiro et al. 2013

	Gyrinodon quasus	Cozzuol 2006
Mammalia - Notoungulata - Leontiniidae

	Purperia cribatidens Paula Couto 1981	Ribeiro et al. 2013
Mammalia - Notoungulata - Haplodontheriidae

	Neotrigodon utoquineae Spillman 1949	Cozzuol 2006

	Trigodon sp. Ameghino 1882	Cozzuol 2006

	Toxodontherium listai Cozzuol 2006	Cozzuol 2006

	Trigodonops lopesi Roxo 1821	Cozzuol 2006

	Mesotoxodon pricei	Cozzuol 2006

	Abothrodon pricei Paula Couto 1956	Cozzuol 2006
Mammalia - Astrapotheria - Astrapotheriidae

	Xenastrapotherium amazonense (Paula Couto 1976)	Ribeiro et al. 2013

	? Synastrapotherium sp. Paula Couto 1976	Frailey 1986
Mammalia - Chiroptera - Molossidae

	Molossidae indet. Gervais 1856	Ribeiro et al. 2013
Mammalia - Chiroptera - Noctilionidae

	Noctilio lacrimaelunaris Czaplewski 1996	Cozzuol 2006
Mammalia - Panameriungulata - Proterotheriidae

	cf. Proterotherium sp. Ameghino 1883	Cozzuol 2006
Mammalia - Panameriungulata - Macraucheniidae

	Macraucheniidae indet. Ameghino 1889	Frailey 1986

	Cullinia sp. Cabrera and Kraglievich 1931	Cozzuol 2006
Mammalia - Cetacea - Pontoporiidae

	Pontoporiidae indet. Gray 1870	Ribeiro et al. 2013
Mammalia - Cetacea - Iniidae

	cf. Ischyrorhynchus sp. Ameghino 1891		1 specimen

	Ischyrorhynchus vanbenedeni Ameghino 1891	Cozzuol 2006

	Saurocetes sp. Burmeister 1871	Cozzuol 2006

	Plicodontinia mourai Miranda-Ribeiro 1938	Cozzuol 2006
Mammalia - Cetacea - Platanistidae

	cf. Pomatodelphis bobengi (Case 1934)	Ribeiro et al. 2013
Mammalia - Primates - Atelidae

	Stirtonia sp. Hershkovitz 1970	Cozzuol 2006

	Solimoea acrensis Kay and Cozzuol 2006	Cozzuol 2006
Mammalia - Primates - Cebidae

	Acrecebus fraileyi Kay and Cozzuol 2006	Cozzuol 2006
	(1 measurement)
Mammalia - Rodentia - Dinomyidae

	Tetrastylus sp. Ameghino 1886	Kerber 2017

	Eumegamys paranensis Kraglievich 1926	Cozzuol 2006

	Scleromys colombianus Fields 1957	Cozzuol 2006

	Gyriabrus sp. Ameghino 1891	Cozzuol 2006

	Simplimus sp. Ameghino 1904	Cozzuol 2006

	Potamarchus sigmodon	Cozzuol 2006

	Potamarchus murinus Burmeister 1885	Kerber 2017

	Ferigolomys pacarana Kerber et al. 2018	Kerber 2017

	Telicomys amazonensis Frailey 1986	Cozzuol 2006

	Telicomys amazonensis Frailey 1986	Kerber 2017
Mammalia - Rodentia - Neoepiblemidae

	Neoepiblemidae indet. Kraglievich 1926	Kerber 2017

	Phoberomys minima Kraglievich 1940	Cozzuol 2006
	= Phoberomys sp. Kraglievich 1926	Kerber et al. 2017

	Phoberomys burmeisteri Kraglievich 1926	Cozzuol 2006
	= Phoberomys sp. Kraglievich 1926	Kerber et al. 2017

	Phoberomys bordasi Patterson 1942	Cozzuol 2006
	= Phoberomys sp. Kraglievich 1926	Kerber et al. 2017

	Phoberomys sp. Kraglievich 1926	Kerber 2017

	Neoepiblema horridula (Ameghino 1886)	Cozzuol 2006

	Neoepiblema ambrosettianus (Ameghino 1889)	Cozzuol 2006

	Neoepiblema ambrosettianus (Ameghino 1889)	Kerber 2017
Mammalia - Rodentia - Echimyidae

	Heteropsomyinae indet. Anthony 1917	Kerber 2017
Mammalia - Rodentia - Erethizontidae

	Erethizontidae indet. Bonaparte 1845	Kerber 2017
Mammalia - Rodentia - Dasyproctidae

	Dasyproctidae indet. Gray 1825	Kerber 2017
Mammalia - Rodentia - Hydrochoeridae

	Cardiatherium orientalis	Kerber 2017

	Cardiatherium sp. Ameghino 1883	Kerber 2017
Mammalia - Rodentia - Cuniculidae

	Cuniculidae indet. Miller and Gidley 1918	Kerber 2017
Mammalia - Rodentia - Caviidae

	Dolichotinae indet.	Kerber 2017

	Caviodon sp. Ameghino 1885	Kerber 2017
Mammalia - Didelphimorphia

	Didelphis sp. Linnaeus 1758	Cozzuol 2006
	= Didelphis solimoensis Couzzol et al. 2006	Ribeiro et al. 2013
Reptilia

	Aves indet. Linnaeus 1758	Frailey 1986
Reptilia - Suliformes - Anhingidae

	Anhinga fraileyi	Cozzuol 2006

	Anhinga minuta	Cozzuol 2006

	Anhinga cf. grandis Martin and Mengel 1975	Cozzuol 2006

	Macranhinga ranzii Alvarenga and Guilherme 2003	Cozzuol 2006
Reptilia

	? Brachygnathosuchus indet. Mook 1921	Frailey 1986

	Mourasuchus sp. Price 1964	Cozzuol 2006

	Mourasuchus nativus (Gasparini 1985)	Cozzuol 2006

	Purussaurus sp. Barbosa Rodrigues 1892	Cozzuol 2006

	Purussaurus brasiliensis n. gen., n. sp. Barbosa-Rodrigues 1892	Cozzuol 2006
	Type (anterior half of right dentary)

	? Caiman indet. Spix 1825	Frailey 1986

	Caiman niteroiensis Souza Filho and Bocquetin 1991	Cozzuol 2006
	= Acresuchus pachytemporalis Souza-Filho et al. 2019	Souza-Filho et al. 2019
	UFAC-1486

	Charactosuchus mendesi	Cozzuol 2006

	Charactosuchus sansoai n. sp. Souza Filho 1991	Cozzuol 2006

	Charactosuchus fieldsi Langston 1965	Cozzuol 2006

	? Gavialosuchus indet. Toula and Kail 1885	Frailey 1986
Reptilia - Gavialidae

	Gryposuchus sp. Gürich 1912	Cozzuol 2006

	Gryposuchus jessei n. gen., n. sp. Gürich 1912	Gürich 1912
	Holotype (partial skull)

	Hesperogavialis informal sp. 1	Cozzuol 2006

	Hesperogavialis informal sp. 2	Cozzuol 2006
Reptilia - Testudines - Testudinidae

	Testudinidae indet. Batsch 1788	Frailey 1986

	Chelonoidis sp. (Fitzinger 1835)	Cozzuol 2006
Reptilia - Testudines - Podocnemididae

	Podocnemis bassieri	Cozzuol 2006

	Stupendemys sp. Wood 1976	Cozzuol 2006
Reptilia - Testudines - Pelomedusidae

	Pelomedusidae indet. Cope 1868	Frailey 1986
	entered as "Pelomedisidae"
Reptilia - Testudines - Chelidae

	Chelus colombianus Wood 1976	Cozzuol 2006

	Chelus lewisi Wood 1976	Cozzuol 2006
Reptilia

	Colombophis spinosus Hsiou et al. 2010	Ribeiro et al. 2013

	Colombophis portai Hoffstetter and Rage 1977	Ribeiro et al. 2013
Reptilia - Boidae

	Waincophis sp. Albino 1987	Ribeiro et al. 2013
Chondrichthyes - Myliobatiformes - Potamotrygonidae

	Potamotrygonidae indet.	Frailey 1986
unclassified

	Plesiotoxodon amazonensis Paula Couto 1982	Cozzuol 2006
see common names

Geography

Country:	Brazil	State/province:	Acre
Coordinates:	10.1° South, 66.9° West (view map)
Paleocoordinates:	9.7° South, 64.6° West (Wright 2013)
Basis of coordinate:	estimated from map
Geographic resolution:	local area

Time

Period:	Neogene	Epoch:	Miocene
Stage:	Tortonian	10 m.y. bin:	Cenozoic 6
Key time interval:	Tortonian
Age range of interval:	11.63 - 7.246 m.y. ago

Stratigraphy

Formation:	Solimoes
Stratigraphic resolution:	formation

Lithology and environment

Primary lithology:	"siliciclastic"
Includes fossils?	Y
Environment:	fluvial-deltaic indet.

Taphonomy

Modes of preservation:	body,original phosphate
Size of fossils:	macrofossils

Collection methods and comments

Reason for describing collection:

general faunal/floral analysis

Metadata

Database number:	55602
Authorizer:	M. Uhen, C. Jaramillo, P. Mannion	Enterer:	M. Uhen, J. Carrillo, G. Varnham, P. Mannion
Modifier:	M. Kouvari	Research group:	vertebrate
Created:	2005-11-01 13:24:49	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2005-11-01 13:24:49
Creative Commons license:	CC0

Reference information

Primary reference:

15018.

J. B. Villanueva, C. Muizon, and J. P. Souza Filho. 1990. Novos achados de cetaceos longirrostros no Neogeno do Acre, Brasil. Boletim do Museu Paraense Emilio Goeldi, Ciencias da Terra 2:59-64 [M. Uhen/M. Uhen]

Secondary references:

47553		L. P. Bergqvist, C. J. Drehmer, A. M. Ribeiro and E. V. Oliveira. 1999. Aquatic mammal fossils from Brazil: A review. 4(6):28-32 [M. Uhen/M. Uhen]
19222		M. A. Cozzuol. 2006. The Acre vertebrate fauna: Age, diversity, and geography. Journal of South American Earth Sciences 21:185-203 [M. Uhen/M. Uhen]
69332		G. De Iuliis, T. J. Gaudin, and M. J. Vicars. 2011. A new genus and species of Nothrotheriid sloth (Xenarthra, Tardigrada, Nothrotheriidae) from the Late Miocene (Huayquerian) of Peru. Palaeontology 54(1):171-2005 [P. Mannion/G. Varnham]
38345		D. P. Domning. 1982. Evolution of manatees: A speculative history. Journal of Paleontology 56(3):599-619 [M. Uhen/M. Uhen]
18778		C. D. Frailey. 1986. Late Miocene and Holocene mammals, exclusive of the Notoungulata, of the Rio Acre Region, western Amazonia. Contributions in Science 374:1-46 [M. Uhen/M. Uhen]
47640		G. Gürich. 1912. Gryposuchus jessei, ein neus schmalschnauziges Krokodil aus den jüngeren Ablagerungen des oberen Amazonas-Gebietes. Mitteilugen des Mineralogisch, Geologischen Instituts Hamburg 4:59-71 [P. Mannion/P. Mannion]
73095		L. Kerber. 2017. Imigrantes em um continente perdido: O registro fossilífero de roedores Caviomorpha (Mammalia: Rodentia: Ctenohystrica) do Cenozoico do Brasil . Terræ Didatica 13(2):185-211 [P. Mannion/G. Varnham]
64794		L. Kerber, F. R. Negri, A. M. Ribeiro, N. Nasif, J. P. Souza-Filho and J. Ferigolo. 2017. Tropical fossil caviomorph rodents from the Southwestern Brazilian amazonia in the context of the South American faunas: systematics, biochronology and paleobiogeography. Journal of Mammalian Evolution 24(1):57-70 [C. Jaramillo/J. Carrillo]
50874		A. M. Ribeiro, R. H. Madden, F. R. Negri, L. Kerber, A. Schmaltz-Hsiou and K. A. Rodrigues. 2013. Mamíferos fósiles y biocronología en el suroeste de la Amazonia, Brasil. Asociación Paleontológica Argentina, Publicación Especial 14:207-221 [C. Jaramillo/J. Carrillo]
84568		A. Solórzano and M. Núñez-Flores. 2021. Evolutionary trends of body size and hypsodonty in notoungulates and their probable drivers. Palaeogeography, Palaeoclimatology, Palaeoecology 568(110306):1-16 [J. Carrillo/K. Pino]
67823		J. P. Souza-Filho, R. G. Souza, A. S. Hsiou, D. Riff, E. Guilherme, F. R. Negri, and G. M. Cidade. 2019. A new caimanine (Crocodylia, Alligatoroidea) species from the Solimões Formation of Brazil and the phylogeny of Caimaninae. Journal of Vertebrate Paleontology 39:e1528450:1-24 [P. Mannion/P. Mannion]