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