Trinidad spiny rat

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Trinidad spiny rat
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Echimyidae
Subfamily: Echimyinae
Tribe: Myocastorini
Genus: Proechimys
Species:
P. trinitatis
Binomial name
Proechimys trinitatis

The Trinidad spiny rat (Proechimys trinitatis[2][3]) is a species of rodent in the family Echimyidae. It is found in Trinidad and Tobago and northern Venezuela.

Phylogeny

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Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. trinitatus belongs to the so-called trinitatus group of Proechimys species, and shares closer phylogenetic affinities with the other members of this clade: P. mincae, P. guairae, P. poliopus, P. magdalenae, P. chrysaeolus, P. urichi, and P. hoplomyoides.[4][5][6][7]

Species-level cladogram of the genus Proechimys.
Myocastorini  
  Hoplomys  

  Hoplomys gymnurus

  Proechimys  

  Proechimys canicollis (Colombian spiny rat)

  Proechimys decumanus (Pacific spiny rat)

  Proechimys echinothrix (Stiff-spine spiny rat)

  Proechimys simonsi (Simon's spiny rat)

  group gardneri  
  group semispinosus  
  group guyannensis  
  group longicaudatus  
  group goeldii  
  group trinitatus  
The cladogram has been reconstructed from morphological characters and mitochondrial DNA (cytochrome b) sequences.[4][5][6][7]

References

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