Cachoeira do Bandeira (Miocene of Brazil)

Also known as LACM 5158

Where: Acre, Brazil (10.9° S, 69.3° W: paleocoordinates 11.2° S, 67.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Solimoes Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

Environment/lithology: fluvial-lacustrine; brown, gray claystone and muddy conglomerate

• The river edge outcrops are accessible only during the low-water season (July to OCtober) and omprise clay-pebble conglomerate (Acre Conglomerate Member in Frailey 1986) and gray to brown, often limey claystones. the base of the units is not visible, and their upper parts are covered by vegetation.

Size class: macrofossils

Primary reference: O. A. Aguilera, J. Bocquentin, J. G. Lundberg and A. Maciente. 2008. A new cajaro catfish (Siluriformes : Pimelodidae : Phractocephalus) from the Late Miocene of southwestern Amazonia and its relationship to Phractocephalus nassi of the Urumaco Formation. Palaeontologische Zeitschrift 82(2):231-245 [C. Jaramillo/G. Ballen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136714: authorized by Carlos Jaramillo, entered by Gustavo Ballen on 03.12.2012, edited by Juan Carrillo

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Siluriformes - Pimelodidae
Phractocephalus acreornatus n. sp. Aguilera et al. 2008 cajaro
UFAC 4561 (holotype), UFAC 4778, 4708, 4777, 4613, 5711, 1806, 4709, 4619, 4587, 4819, 4664, 5687, 5689, 4894, 5710, 5686, 5688, 5690, 4710, 4782, 4577 (all paratypes)
Mammalia
 Rodentia - Neoepiblemidae
Neoepiblema horridula3 Ameghino 1886 caviomorph
 Rodentia - Dinomyidae
Pseudopotamarchus villanuevai n. gen. n. sp.2 Kerber et al. 2016 caviomorph
UUFAC 4762, incomplete right maxilla with P4–M1
 Rodentia - Hydrochoeridae
Cardiatherium sp.3 Ameghino 1883 caviomorph
UFAC 4761, 4681, 4769
 Xenarthra - Pampatheriidae
Scirrotherium carinatum1 Gois et al. 2013 edentate
LPP/UFAC 4803 and 4804