Soviet Latvia is another name for the Latvian Soviet Socialist Republic.
The painted tree-rat -LRB- Callistomys pictus -RRB- is a species of spiny rat from Brazil and is the only species in the genus Callistomys .. spiny rat. Echimyidae. Brazil. Brazil. genus. genus. It appears to lack close relatives and is often placed in the genus Isothrix , or , less regularly , Nelomys .. genus. genus. Isothrix. Isothrix. Nelomys. Nelomys