@article{fdi:010064053, title = {{L}ife in proto-{A}mazonia : middle miocene mammals from the fitzcarrald arch ({P}eruvian {A}mazonia)}, author = {{T}ejada-{L}ara, {J}. {V}. and {S}alas-{G}ismondi, {R}. and {P}ujos, {F}. and {B}aby, {P}atrice and {B}enammi, {M}. and {B}russet, {S}. and {D}e {F}ranceschi, {D}. and {E}spurt, {N}. and {U}rbina, {M}. and {A}ntoine, {P}. {O}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {M}iddle {M}iocene has been identified as a time of great diversification in modern lineages now distributed in tropical {S}outh {A}merica, and when basic archetypal traits defining {A}mazonia appear, including climatic humid conditions, basic floral physiognomy and phylogenetic composition of modern rainforests. {N}onetheless, {M}iddle {M}iocene localities in {S}outh {A}merica are poorly known, especially at low latitudes where only one species-rich locality, {L}a {V}enta in {C}olombia, has been extensively studied. {T}he present contribution describes the mammal fauna of {F}itzcarrald, a new {M}iddle {M}iocene local fauna from western {A}mazonia in {P}eru. {F}itzcarrald is correlated with the {L}aventan {S}outh {A}merican {L}and {M}ammal {A}ge based on the presence of taxa defining the {M}iocochilius assemblage zone' in {L}a {V}enta. {T}he mammalian fauna of {F}itzcarrald comprises 24 taxa among cingulates, folivores, astrapotheres, notoungulates, litopterns, rodents, odontocetes and a possible marsupial. {A}t this time, tropical {S}outh {A}merica was characterized by the presence of the {P}ebas megawetland, a huge lacustrine complex that provided unique ecological and environmental conditions most likely isolating northern {S}outh {A}merica from southern {S}outh {A}merica. {T}hese isolating conditions might have come to an end with its disappearance in the {L}ate {M}iocene and the establishment of the subsequent {A}cre system, the predecessor fluvial system of modern {A}mazonia. {R}esults of faunistic similarity between {F}itzcarrald and other {M}iocene faunas throughout {S}outh {A}merica support these scenarios. {T}he {F}itzcarrald mammal fauna exhibits first appearance datums and last appearance datums of various taxa, showing that tropical {S}outh {A}merica has played a crucial role in the evolutionary history and biogeography of major clades, and revealing a more complex biological history than previously proposed, based on the record from the southern cone of the continent.}, keywords = {{M}iddle {M}iocene ; {F}itzcarrald {A}rch ; {P}ebas system ; {A}mazonia ; {L}aventan {SALMA} ; {AMAZONIE} ; {PEROU}}, booktitle = {}, journal = {{P}alaeontology}, volume = {58}, numero = {2}, pages = {341--378}, ISSN = {0031-0239}, year = {2015}, DOI = {10.1111/pala.12147}, URL = {https://www.documentation.ird.fr/hor/fdi:010064053}, }