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''Masillamys'' is an extinct genus of rodent. It was named in 1954 by Tobien based on fossils found in the Quercy Phosphorites Formation, France. It is considered to be a
abstract
Eocene rodents Prehistoric rodent genera Priabonian life Eocene mammals of Europe Paleogene France Fossils of France Quercy Phosphorites Formation Fossil taxa described in 1954 {{paleo-rodent-stub
''Masillamys'' is an extinct genus of rodent. It was named in 1954 by Tobien based on fossils found in the Quercy Phosphorites Formation, France. It is considered to be a sister genus
In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree.
Definition
The expression is most easily illustrated by a cladogram:
Taxon A and t ...
to the '' Hartenbergeromys, Lophiparamys, Mattimys, Microparamys, Pantrogna, Sparnacomys'', and '' Strathcona'' genera.
References
Further reading
* ESCARGUEL G. 1999. Les rongeurs de l'Eocène inférieur et moyen d'Europe Occidentale. Systématique, phylogénie, biochronologie et paléobiogéographie des niveaux-repères MP 7 a MP 14 = The rodents of the early and middle Eocene from Western Europe. Palaeovertebrata 28 (2-4): 89-351abstract
Eocene rodents Prehistoric rodent genera Priabonian life Eocene mammals of Europe Paleogene France Fossils of France Quercy Phosphorites Formation Fossil taxa described in 1954 {{paleo-rodent-stub