Barrancas del Rio Parana: Tortonian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Platemys robusta n. sp.
Ambrosetti 1893
MPBA uncat. (holotype), a costal fragment (Ambrosetti 1893, fig. 1). All material appears to be lost (de la Fuente 1988).
Gastropoda - Phasianellidae
Phasianella fossilis
Bravard 1858
Gastropoda - Turbinidae
Margarita striata Leach 1819
Bravard 1858
recombined as Margarites striatus
Gastropoda
Margarita punctulata
Bravard 1858
Gastropoda - Epitoniidae
Scalaria minuta
Bravard 1858
Gastropoda - Cerithiidae
Cerithium americanum
Bravard 1858
Gastropoda - Neogastropoda - Volutidae
Voluta alta Sowerby 1846
Bravard 1858
recombined as Adelomelon alta
Gastropoda - Littorinidae
Littorina gigantea
Bravard 1858
Bivalvia - Arcida - Arcidae
Arca bonplandiana d'Orbigny 1842
Bravard 1858
recombined as Potiarca bonplandiana
Arca obliqua
Bravard 1858
Arca strangulata
Bravard 1858
Bivalvia - Pectinida - Anomiidae
Anomia pileata
Bravard 1858
Bivalvia - Pectinida - Limidae
Ostrea excavata Fabricius 1780
Bravard 1858
recombined as Acesta excavata
Bivalvia - Pectinida - Pectinidae
Pecten darwinianus d'Orbigny 1846
Bravard 1858
recombined as Amusium darwinianum
Pecten paranensis d'Orbigny 1842
Bravard 1858
recombined as Aequipecten paranensis
Bivalvia - Ostreida - Ostreidae
Ostrea patagonica d'Orbigny 1842
Bravard 1858
recombined as Crassostrea patagonica
Ostrea alvarezii d'Orbigny 1842
Bravard 1858
recombined as Cubitostrea alvarezii
Ostrea elongata
Bravard 1858
Ostrea strangulata
Bravard 1858
Ostrea entreriana
Bravard 1858
Ostrea axillata
Bravard 1858
Ostrea foliiformis
Bravard 1858
Ostrea semitabulata
Bravard 1858
Ostrea agglomerans
Bravard 1858
Bivalvia - Mytilida - Mytilidae
Mytilus trigonus
Bravard 1858
Lithodomus ostricola
Bravard 1858
synonym of Lithophaga
Bivalvia - Cardiida - Veneridae
Lucinopsis concentricum
Bravard 1858
synonym of Mysia
Cytherea munsteri
Bravard 1858
Venus elongata
Bravard 1858
Venus meridionalis
Bravard 1858
Bivalvia - Cardiida - Cardiidae
Cardium muliradiatum
Bravard 1858
Cardium suborbicularis
Bravard 1858
Cardium squamiferum
Bravard 1858
Bivalvia - Carditida - Astartidae
Coelopis striata
Bravard 1858
As "Coleopsis striata"
Bivalvia - Carditida - Condylocardiidae
Cardium pygmaeum Philippi 1860
Bravard 1858
synonym of Carditella semen
Malacostraca - Decapoda - Nephropidae
Homarus meridionalis
Bravard 1858
Thecostraca - Balanomorpha - Balanidae
Balanus foliatus
Bravard 1858
Balanus subconicus
Bravard 1858
Asteroidea - Asteriidae
Asterias dugratii
Bravard 1858
Chondrichthyes - Myliobatiformes - Myliobatidae
Myliobatis americanus
Bravard 1858
[entered as Myliobates americanus]
Chondrichthyes - Squalidae
Squalus eocenus
Bravard 1858
Squalus obliquidens
Bravard 1858
Chondrichthyes - Lamniformes - Lamnidae
Lamna unicuspidens
Bravard 1858
Lamna amplibasidens
Bravard 1858
Lamna serridens
Bravard 1858
Chondrichthyes - Lamniformes - Mitsukurinidae
Lamna elegans Agassiz 1838
Bravard 1858
synonym of Otodus macrotus
Mammalia
Carnivora indet. Bowdich 1821
Bravard 1858
    = Mammalia indet. Linnaeus 1758
Alroy 2008
Mammalia - Panameriungulata - Proterotheriidae
Anoplotherium americanum Bravard 1858
Bravard 1858
    = Proterotherium americanum Bravard 1858
Alroy 2008
see Ameghino 1886
Mammalia - Panameriungulata - Macraucheniidae
Palaeotherium paranense
Bravard 1858
    = Scalabrinitherium paranense
Alroy 2008
see Ameghino 1886
Mammalia - Cetacea - Pontoporiidae
Delphinus rectifrons n. sp. Bravard 1858
Bravard 1858 1 specimen
recombined as Pontistes rectifrons
Mammalia - Cetacea - Balaenidae
Balaena dubia Bravard 1858
Bravard 1858
nomen dubium belonging to Balanadae
Mammalia - Carnivora - Otariidae
Otaria fischeri n. sp. Gervais and Ameghino 1880
Gervais and Ameghino 1880
Mammalia - Notoungulata - Haplodontheriidae
Toxodon paranensis Ameghino 1883
Bravard 1858
synonym of Haplodontherium wildei
Mammalia - Sirenia - Trichechidae
Ribodon limbatus n. gen., n. sp. Ameghino 1883
Ameghino 1883
Mammalia - Sparassodonta
Notictis ortizi n. gen., n. sp. (Ameghino 1889)
Marshall 1981 1 specimen
misspelling Notictis ortizii
MACN 3996, dentary p1-m4, type of both _Notictis ortizi_ and _Didelphys curvidens_
Stylocynus paranensis n. gen., n. sp. Mercerat 1917
Marshall 1979 4 specimens
MLP 11-94, dentary m3-4, holotype; MLP 41-XII-13-1112, dentary p1-m1; MACN 5893, maxilla M2; MACN 13203, maxilla P2, M1-2
Mammalia - Didelphimorphia
Chironectes minimus Zimmermann 1780
3 specimens
    = Chironectes sp. Illiger 1811
Goin et al. 2013
MACN 2464 and MACN 3515
Reptilia - Testudines
Emys paranensis Burmeister 1885
Bravard 1858
    = Testudines indet. Batsch 1788
Alroy 2008
the type specimen is a single scute apparently not accepted by any later author, and therefore certainly a nomen dubium and possibly also a nomen oblitum
Reptilia - Testudines - Geoemydidae
Castor sp. Linnaeus 1758
Bravard 1858
    = Morenia sp. Gray 1870
Alroy 2008
see Ameghino 1886
Reptilia - Testudines - Chelidae
Platemys holmbergii n. sp. Ambrosetti 1893
Ambrosetti 1893
nomen dubium belonging to Chelidae
MPBA uncat. (holotype), a costal I (Ambrosetti 1893, fig. 1). All material appears to be lost (de la Fuente 1988).
Platemys entreriana n. sp. Ambrosetti 1893
Ambrosetti 1893
nomen dubium belonging to Chelidae
MPBA uncat. (syntype series?), shell fragments (Ambrosetti 1893, fig. 1). All material appears to be lost (de la Fuente 1988).
Platemys mesopotamica n. sp. Ambrosetti 1893
Ambrosetti 1893
nomen dubium belonging to Chelidae
MPBA uncat. (holotype), a costal I (Ambrosetti 1893, fig. 1). All material appears to be lost (de la Fuente 1988).
Platemys bergii n. sp. Ambrosetti 1893
Ambrosetti 1893
nomen dubium belonging to Chelidae
MPBA uncat. (syntype series?), shell fragments (Ambrosetti 1893, fig. 1). All material appears to be lost (de la Fuente 1988).
Platemys torrentium n. sp. Burmeister 1885
Burmeister 1885
nomen dubium belonging to Chelidae
MPBA uncat. (holotype), an unfigured, now-lost shell fragment consisting of three costals (de la Fuente 1988).
Reptilia
Emys paranensis n. sp. Burmeister 1885
Burmeister 1885
nomen nudum belonging to Testudinata
MPBA uncat. (syntype series), unfigured shell fragments (type material lost, de la Fuente 1988)
Rhamphostomopsis neogaeus n. gen., n. sp. Rusconi 1933
Patterson 1936
MLP 26-413; 68-IX-V-1; 68-IX-V-2 - hypodigm (partial skull)
Rhamphostomopsis intermedius n. sp. Rusconi 1935
Patterson 1936
synonym of Rhamphostomopsis neogaeus
MACN 6122 - type
Leptorramphus entrerrianus n. gen., n. sp. Ambrosetti 1890
Patterson 1936
Type (partial skull)
Crocodilus australis n. sp. Bravard 1858
Bravard 1858
    = Proalligator australis Bravard 1858
Alroy 2008
recombined as Caiman australis
Type (upper and lower jaw fragments and dermal scutes (Patterson 1936)
Jacaretinga praecursor n. sp. Rusconi 1933
Patterson 1936
recombined as Caiman praecursor
Type (anterior third of right mandible)
Crocodilus paranensis n. sp. Scalabrini 1887
Patterson 1936
recombined as Caiman paranensis
Type (skull and jaw fragments, isolated vertebrae and limb bones)
Actinopteri - Spariformes - Sparidae
Sargus incertus
Bravard 1858
Actinopteri - Perciformes - Sparidae
Sparus antiquus
Bravard 1858
Actinopteri - Pleuronectiformes - Pleuronectidae
Solea sp. Gouan 1770
Bravard 1858
Actinopteri - Siluriformes - Siluridae
Silurus agassizii
Bravard 1858
see common names

Geography
Country:Argentina State/province:Entre Rios
Coordinates: 33.7° South, 59.3° West (view map)
Paleocoordinates:33.8° South, 56.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period:Neogene Epoch:Miocene
Stage:Tortonian 10 m.y. bin:Cenozoic 6
*Period:Late/Upper Tertiary *Epoch:Late/Upper Miocene
*Local age/stage:Huayquerian
Key time interval:Tortonian
Age range of interval:11.62000 - 7.24600 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Entre Rios
Stratigraphic resolution:formation
Stratigraphy comments: Predominant faunal elements indicate a Huayquerian age, but there are rare forms that might be reworked from older deposits of Santacrucian and/or Chasicoan age, and a few others which are representatives of Montehermosan age;
"Fossiliferous beds in this area have received numerous names....The name "Entrerriense" or "Formacion Entrerriana" has been applied to the somewhat younger marine facies... fluviatile facies has been generally included under the name "Mesopotamiense"...."
Huayquerian is now known as late Miocene
Lithology and environment
Primary lithology: siltstone
Secondary lithology: sandstone
Includes fossils?Y
Lithology description: "...Predominantly clastic [sedimentation] (silts, sands, and loess) which predominate during the Pliocene and Plesitocene of the Pampean region..."
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Disassociated minor elements:some
Collection methods and comments
Collection excludes:some genera
Collection methods:survey of museum collection
Collection size:3 specimens
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Entreriana
Database number:13626
Authorizer:J. Alroy, P. Mannion, E. Vlachos, M. Uhen, C. Jaramillo, J. Zijlstra Enterer:J. Wertheim, M. Uhen, J. Zijlstra, J. Alroy, E. Vlachos, P. Mannion, J. Carrillo
Modifier:M. Kouvari Research group:vertebrate
Created:2002-04-16 12:33:55 Last modified:2020-09-20 09:05:19
Access level:the public Released:2002-04-16 12:33:55
Creative Commons license:CC BY
Reference information

Primary reference:

6134.5% 30540L. G. Marshall. 1977. First Pliocene record of the water opposum, Chironectes minimus (Didelphidae, Marsupialia). Journal of Mammalogy 58(3):434-436 [J. Alroy/J. Wertheim/J. Alroy]

Secondary references:

26812 J. Alroy. 2008. Synonymies, reidentifications, and other arbitrary pronouncements mostly concerning fossil vertebrates. [J. Alroy/J. Alroy]
64227 J. Ambrosetti. 1893. Contribución al estudio de las tortugas oligocenas de los terrenos terciarios antiguos del Paraná. Boletín del Instituto Geográfico Argentino 14:489-499 [E. Vlachos/E. Vlachos]
16574 F. Ameghino. 1883. Sobre una colección de mamíferos fósiles del Piso Mesopotámico de la formación Patagónica recogidos en las barrancas del Paraná por el Profesor Pedro Scalabrini. Bol. de la Acad. Nac. Cienc. Córdoba V(1):101-116 [M. Uhen/M. Uhen/M. Uhen]
14629 A. Bravard. 1858. Monografia de los terrenos marinos terciarios, de las cercanias del Parana. Annales Museo Nacional de Buenos Aires 3:45-94 [M. Uhen/M. Uhen/M. Uhen]
36746 G. Burmeister. 1885. Examen critico de los mamiferos y reptiles fosiles denominados por D. Augusto Bravard y mencionados en su obra precedente. Annales del Museo Nacional de Buenos Aires 3:93-174 [M. Uhen/M. Uhen/M. Uhen]
54573 Z. B. Gasparini. 1968. Nuevos restos de Rhamphostomopsis neogaeus (Burm.) Rusconi 1933, (Reptilia, Crocodilia) del 'Mesopotamiense' (Plioceno medio - superior) de Argentina. Ameghiniana 5(8):299-311 [P. Mannion/P. Mannion]
29694 P. Gervais and F. Ameghino. 1880. Les Mammifres Fossiles: de L'Amrique Du Sud 1-255 [M. Uhen/M. Uhen/M. Uhen]
50741 F. J. Goin, J. I. Noriega, and M. Reyes. 2013. Los Metatheria (Mammalia) del "Mesopotamiense" (Mioceno tardío) de la Provinciade Entre Ríos, Argentina, y una reconsideración de Philander entrerianus (Ameghino, 1899). In D. Brandoni, J.I. Noriega (eds.), El Neógeno de la Mesopotamia argentina 14:109-117 [C. Jaramillo/J. Carrillo]
10123 R. Kellogg. 1922. Pinnipeds from Miocene and Pleistocene deposits of California. University of California Publications in Geological Sciences 13(4):23-132 [M. Uhen/M. Uhen/M. Uhen]
58324 L. G. Marshall. 1979. Review of the Prothylacyninae, an extinct subfamily of South American "dog-like" marsupials. Fieldiana Geology 3:1-50 [J. Zijlstra/J. Zijlstra]
58306 L. G. Marshall. 1981. Review of the Hathlyacyninae, an extinct subfamily of South American "dog-like" marsupials. Fieldiana Geology 7:1-120 [J. Zijlstra/J. Zijlstra]
46739 B. Patterson. 1936. Caiman latirostris from the Pleistocene of Argentina, and a Summary of South American Cenozoic Crocodilia. Herpetologica 1(2):43-54 [P. Mannion/P. Mannion]