Cachiyacuy

Name: Cachiyacuy ‭(‬Cachiyacu cuy‭ ‬/‭ ‬Cachiyacu guinea pig‭)‬.
Phonetic: Kak-e-ya-cu-e.
Named By: Pierre-Olivier Antoine,‭ ‬Laurent Marivaux,‭ ‬Darin A.‭ ‬Croft,‭ ‬Guillaume Billet,‭ ‬Morgan Ganerřd,‭ ‬Carlos Jaramillo,‭ ‬Thomas Martin,‭ ‬Maëva J.‭ ‬Orliac,‭ ‬Julia Tejada,‭ ‬Ali J.‭ ‬Altamirano,‭ ‬Francis Duranthon,‭ ‬Grégory Fanjat,‭ ‬Sonia Rousse‭ & ‬Rodolfo Salas Gismondi‭ ‬-‭ ‬2012.
Classification: Chordata,‭ ‬Mammalia,‭ ‬Rodentia,‭ ‬Hystricomorpha,‭ ‬Hystricognathi,‭ ‬Caviomorpha.
Species: C.‭ ‬contamanensis‭ (‬type‭)‬,‭ ‬C.‭ ‬kummeli.
Diet: Herbivore‭?
Size: Uncertain.
Known locations: Peru,‭ ‬Loreto‭ ‬-‭ ‬Yahuarango Formation.
Time period: Late Lutetian of the Eocene.
Fossil representation: Mostly teeth.

       Cachiyacuy is recognised as one of the earliest known occurrences of the Caviomorpha,‭ ‬a group of rodent mammals that is best known today for including chinchillas and guinea pigs.‭ ‬Another caviomorph from‭ ‬the same Formation as well as being named in the same year as Cachiyacuy is Canaanimys.

Further reading
-‭ ‬Middle Eocene rodents from Peruvian Amazonia reveal the pattern and timing of caviomorph origins and biogeography‭ ‬-‭ ‬Proceedings of the Royal Society B‭ ‬279‭ (‬1732‭)‬:‭ ‬1319‭–‬1326‭ ‬-‭ ‬Pierre-Olivier Antoine,‭ ‬Laurent Marivaux,‭ ‬Darin A.‭ ‬Croft,‭ ‬Guillaume Billet,‭ ‬Morgan Ganerřd,‭ ‬Carlos Jaramillo,‭ ‬Thomas Martin,‭ ‬Maëva J.‭ ‬Orliac,‭ ‬Julia Tejada,‭ ‬Ali J.‭ ‬Altamirano,‭ ‬Francis Duranthon,‭ ‬Grégory Fanjat,‭ ‬Sonia Rousse‭ & ‬Rodolfo Salas Gismondi‭ ‬-‭ ‬2012.



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