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Fiandraia

From Wikipedia, the free encyclopedia

Fiandraia
Temporal range: Oligocene-Miocene (Deseadan-Colhuehuapian)
~29–21 Ma
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Order: Notoungulata
Genus: Fiandraia
Roselli, 1976
Type species
Fiandraia romeii
Roselli, 1976

Fiandraia is an extinct monotypic genus of notoungulate that lived in Uruguay during the Oligocene and the Early Miocene.[1] It was found in the Fray Bentos Formation, in rocks dated back from the Deseadan period.[2]

The taxonomic status of Fiandraia has been historically disputed; in 1976, its discoverer, Roselli, assigned it in the family Mesotheriidae;[1] in 1978, in Mones & Ubilla, it was considered part of Interatheriidae;[2] McKenna & Bell, in 1997, placed it inside its own family, Fiandraiinae, itself part of Mesotheriidae;[3] Flynn et al considered it, in 2005, as a member of the Toxodontidae instead of the Mesotheriinae.[1]

References

[edit]
  1. 1 2 3 Flynn, J.J.; Croft, D.A.; Charrier, R.; Wyss, A.R.; Hérail, G.; García, M. (2005). "New Mesotheriidae (Mammalia, Notoungulata, Typotheria), geochronology and tectonics of the Caragua area, northernmost Chile". Journal of South American Earth Sciences. 19 (1): 55–74. Bibcode:2005JSAES..19...55F. doi:10.1016/j.jsames.2004.06.007.
  2. 1 2 Mones, Álvaro; Ubilla, Martín (1978). "La Edad deseadense (Oligoceno Inferior) de la Formacion Fray Bentos y su contenido paleontologico, con especial referencia a la presencia de Proborhyaena cf. gigantea Ameghino (Marsupialia: Borhyaenidae) en el Uruguay. Nota preliminar". Comunicaciones Paleontologicas del Museo de Historia Natural de Montevideo. 1 (7): 151–158. hdl:11336/95016.
  3. McKenna, M.; Bell, S. K. (1997). Classification of Mammals: Above the Species Level. Columbia University Press. ISBN 0231528531.