Farola Monte Hermoso (Pliocene of Argentina)

Where: Buenos Aires, Argentina (39.0° S, 61.7° W: paleocoordinates 39.1° S, 60.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Eumysops laeviplicatus Range Zone mammal zone, Monte Hermoso Formation, Montehermosan (5.0 - 3.8 Ma)

• Montehermosan (Early Pliocene; Zanclean; Tomassini et al., 2013a)

•Biostratigraphic units recognized in the sequence: type sec- tion of the Eumysops laeviplicatus Range Zone (Tomassini et al., 2013a).

• group of beds-level stratigraphic resolution

Environment/lithology: "floodplain"; muddy, sandy siltstone and fine-grained, brown, yellow siltstone

Size classes: macrofossils, mesofossils

Collection methods: Museo Darwin (MD), Punta Alta, Provincia de Buenos Aires

Primary reference: C. M. Deschamps, G. I. Esteban, and M. S. Bargo. 2001. El registro más antiguo del género Lestodon Gervais, 1855 (Xenarthra, Tardigrada, Mylodontidae) (Montehermosense, Plioceno Temprano). Ameghiniana 38(2):151-156 [C. Jaramillo/J. Carrillo]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 198863: authorized by Philip Mannion, entered by Miranta Kouvari on 16.01.2019, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Amphibia
 Salientia - Ceratophrynidae
Ceratophrys ameghinorum2 South American horned frog
 Salientia - Bufonidae
 Salientia - Leptodactylidae
Leptodactylus sp.2 Fitzinger 1826 White-lipped frogs
Aves
 Gruiformes - Hermosiornithidae
Mesembriornis milneedwardsi2 Moreno 1889 bird
 Anseriformes - Anatidae
Dendrocygninae indet.2 Reichenbach 1850 whistling duck
 Cathartiformes - Cathartidae
Dryornis pampeanus2 Moreno and Mercerat 1891 New World vulture
Vultur gryphus2 Linnaeus 1758 Andean condor
 Tinamiformes - Tinamidae
Eudromia olsoni2 Tambussi and Tonni 1985 tinamou
Eudromia cf. elegans2 Geoffroy Saint-Hilaire 1832 Elegant crested tinamou
Nothura parvula2 tinamou
 Rheiformes - Rheidae
Hinasuri nehuensis2 Tambussi 1995 rhea
Heterorhea dabbenei2 Rovereto 1914 rhea
 Cariamiformes - Cariamidae
Chunga incerta2 Tonni 1974 seriema
Reptilia
 Squamata - Colubridae
Colubridae indet.2 Oppel 1811 colubrid snake
 Squamata - Viperidae
aff. Bothrops sp.2 Wagler 1824 pit viper
Bothrops cf. alternatus1 pit viper
MCA-PV-1093, 11 ar.culated trunk vertebrae
 Squamata - Boidae
Boa sp.2 Linnaeus 1758 boa
 Squamata -
Tupinambis sp.2 Daudin 1802 tegu
 Squamata - Teiidae
 Testudines - Testudinidae
Chelonoidis australis2 Moreno 1889 turtle
Mammalia
 Cingulata - Panochthidae
Nopachtus cabrerai2 Zamorano et al. 2011 edentate
 Cingulata - Pampatheriidae
Pampatherium sp.2 Ameghino 1875 edentate
Plaina cf. intermedia2 Castellanos 1937 edentate
 Cingulata - Glyptodontidae
Plohophorus cuneiformis2 Ameghino 1904 glyptodon
Plohophorus figuratus2 Ameghino 1887 glyptodon
Eleutherocercus antiquus2 Ameghino 1887 glyptodon
MACN 2894 - almost complete skull, lacking the distal portion of both descending processes of the zygomatic and the most anterior part of the nasal.
 Cingulata -
Eosclerocalyptus lineatus2 Ameghino 1888 edentate
Phlyctaenopyga trouessarti2 Moreno 1888 edentate
Trachycalyptus "sp. nov."2 Ameghino 1908 edentate
Plohophoroides sp.2 Castellanos 1928 edentate
 Cingulata - Dasypodidae
cf. Dasypus laevisculptus5 Rovereto 1914 armadillo
Eutatus praepampaeus2 Ameghino 1904 armadillo
“Eutatus” praepampaeus
Ringueletia simpsoni2 Bordas 1933 armadillo
Doellotatus inornatus2 Rovereto 1914 armadillo
Doellotatus chapadmalensis2 Bordas 1932 armadillo
Euphractini "sp."a” nov."2 Winge 1923 armadillo
Chorobates rescens2 armadillo
Chorobates villosissimus2 Reig 1958 armadillo
Macroeuphractus retusus2 Ameghino 1887 armadillo
Holozaedyus laevisculptus2 Rovereto 1914 armadillo
Proeuphractus sp.5 Ameghino 1886 armadillo
  - Mylodontidae
Proscelidodon patrius2 Ameghino 1888 edentate
Lestodon sp.2 Gervais 1855 edentate
 Theriamorpha - Myrmecophagidae
Nunezia caroloameghinoi5 Kraglievich 1934 giant anteater
 Notoungulata - Mesotheriidae
Pseudotypotherium sp.2 Ameghino 1904 notoungulate
 Notoungulata - Hegetotheriidae
Paedotherium typicum2 Ameghino 1887 notoungulate
Paedotherium bonaerense2 Ameghino 1887 notoungulate
Tremacyllus impressus2 Ameghino 1888 notoungulate
 Notoungulata - Toxodontidae
Alitoxodon vetustum2 Rovereto 1914 notoungulate
Xotodon sp.2 Ameghino 1887 notoungulate
Xotodon prominens2 Ameghino 1889 notoungulate
Xotodon ambrosettii2 Rovereto 1914 notoungulate
Toxodon chapalmalensis2 Ameghino 1908 notoungulate
 Notoungulata - Haplodontheriidae
Trigodon gaudryi2 Ameghino 1887 notoungulate
Trigodon minor2 Lydekker 1893 notoungulate
 Carnivora - Procyonidae
Tetraprothomo argentinus2 Ameghino 1908 procyonid carnivore
Cyonasua clausa2 Ameghino 1904 procyonid carnivore
Parahyaenodon argentinus2 Ameghino 1904 procyonid carnivore
 Panameriungulata - Macraucheniidae
Promacrauchenia antiqua2 Ameghino 1887 placental
 Panameriungulata - Proterotheriidae
Eoauchenia primitiva2 Ameghino 1887 placental
Epitherium laternarium2 Ameghino 1888 placental
Diplasiotherium robustum2 Rovereto 1914 placental
 Rodentia - Echimyidae
Eumysops formosus3 Ameghino 1906 spiny rat
Eumysops laeviplicatus3 Ameghino 1888 spiny rat
 Rodentia - Octodontidae
Phtoramys homogenidens2 Ameghino 1887 caviomorph
Pseudoplataeomys formosus3 Kraglievich 1934 caviomorph
Pithanotomys macer2 Ameghino 1888 caviomorph
Pithanotomys columnaris2 Ameghino 1887 caviomorph
Pithanotomys columnaris3 Ameghino 1887 caviomorph
 Rodentia -
Neophanomys sp.2 Rovereto 1914 caviomorph
aff. Neophanomys biplicatus2 Rovereto 1914 caviomorph
 Rodentia - Myocastoridae
Paramyocastor diligens3 Ameghino 1888 caviomorph
 Rodentia - Ctenomyidae
Actenomys priscus3 Owen 1840 caviomorph
 Rodentia - Chinchillidae
"Lagostomus incisus n. sp." = Lagostomus (Lagostomopsis) incisus4
"Lagostomus incisus n. sp." = Lagostomus (Lagostomopsis) incisus4 Ameghino 1888 viscacha
 Rodentia - Dinomyidae
Telicomys giganteus2 Ameghino 1904 caviomorph
 Rodentia - Caviidae
Microcavia sp.2 Gervais and Ameghino 1880 caviomorph
Orthomyctera sp.2 Ameghino 1889 caviomorph
Prodolichotis sp.2 Kraglievich 1932 caviomorph
Cavia aperea2 Erxleben 1777 Brazilian guinea pig
Cardiomys sp.2 Ameghino 1885 caviomorph
Caviodon australis2 Ameghino 1889 caviomorph
Palaeocavia sp.5 Ameghino 1889 caviomorph
 Rodentia - Hydrochoeridae
"Phugatherium cataclisticum" = Phugatherium cataclisticum2, "Protohydrochoerus perturbidus" = Phugatherium cataclisticum5, Anchimysops villalobosi5
"Phugatherium cataclisticum" = Phugatherium cataclisticum2 Ameghino 1887 caviomorph
"Protohydrochoerus perturbidus" = Phugatherium cataclisticum5 Ameghino 1887 caviomorph
Anchimysops villalobosi5 Kraglievich 1927 caviomorph
 Rodentia - Cricetidae
Reithrodon auritus2 Fischer 1814 bunny rat
Necromys bonapartei2 Reig 1978 mouse
"Auliscomys formosus" = Kraglievichimys formosus2 Reig 1978 mouse
 Sparassodonta -
Notocynus hermosicus2 Mercerat 1891 metatherian
 Sparassodonta - Thylacosmilidae
"Achlysictis lelongi" = Thylacosmilus atrox2
"Achlysictis lelongi" = Thylacosmilus atrox2 Riggs 1933 metatherian
 Didelphimorphia - Didelphidae
Sparassocynus bahiai2 Mercerat 1898 opossum
Thylophorops aff. perplana2 Ameghino 1904 opossum
Lutreolina tracheia2 Rovereto 1914 lutrine opossum
Lutreolina biforata2 Ameghino 1904 lutrine opossum
Hyperdidelphys parvula2 Ameghino 1904 opossum
Hyperdidelphys inexpectata2 Ameghino 1889 opossum
Thylamys contrerasi2 Mones 1980 fat-tailed mouse opossum
Thylamys pusillus2 Desmarest 1804 fat-tailed mouse opossum
Thylatheridium pascuali2 Reig 1958 opossum
 Polydolopimorphia - Argyrolagidae
Microtragulus argentinus2 Ameghino 1904 metatherian
Argyrolagus palmeri2 Ameghino 1904 metatherian
Actinopteri
 Characiformes - Characidae
 Teleostei -
 Siluriformes - Trichomycteridae