Km 29 (Miocene of Brazil)

Also known as Road BR 364

Where: Acre, Brazil (8.2° S, 70.5° W: paleocoordinates 8.5° S, 68.5° W)

• coordinate stated in text

When: Solimoes Formation, Tortonian (11.6 - 7.2 Ma)

Environment/lithology: fluvial-lacustrine; claystone and siltstone

• fine sediments, mostly clays and silts, with sand/clay rhythmic intercalations and unconsolidated sand at the tope. Conglomeratic lenses of variable thickness, composed of clay-ball pebbles, indicate an intraformational origin

Preservation: original phosphate

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67385: authorized by Mark Uhen, entered by Mark Uhen on 17.11.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gnathostomata
  -
Actinopterygii indet.
Actinopterygii indet. ray-finned fish
entered as "Actinopterigii indet."
Actinopteri
 Teleostei -
Siluriformes indet.
Reptilia
 Crocodylia - Crocodylidae
Crocodylidae indet.
Crocodylidae indet. crocodile
entered as "Crocodilidae indet."
 Crocodylia - Gavialidae
Gavialidae indet., Hesperogavialis sp.
Gavialidae indet. crocodilian
Hesperogavialis sp. Bocquentin Villanueva and Buffetaut 1981 crocodilian
 Crocodylia - Alligatoridae
"Purusaurus brasiliensis" = Purussaurus
"Purusaurus brasiliensis" = Purussaurus crocodilian
Mammalia
  -
Mammalia indet.
Mammalia indet. Linnaeus 1758 mammal
Osteichthyes
 Ceratodontiformes - Lepidosirenidae
Lepidosiren sp.
Lepidosiren sp. Fitzinger 1837 Australian lungfish
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Malacostraca
 Decapoda - Cancridae
Cancridae indet.
Cancridae indet. Latreille 1802 crab