diff --git a/paramecio/cromosoma/corefields.py b/paramecio/cromosoma/corefields.py
index a30c0ed..c34b870 100644
--- a/paramecio/cromosoma/corefields.py
+++ b/paramecio/cromosoma/corefields.py
@@ -30,6 +30,13 @@ class IntegerField(PhangoField):
     def get_type_sql(self):
 
         return 'INT('+str(self.size)+') NOT NULL DEFAULT "0"'
+        
+class BigIntegerField(IntegerField):
+    
+    def get_type_sql(self):
+
+        return 'BIGINT('+str(self.size)+') NOT NULL DEFAULT "0"'
+    
 
 class FloatField(PhangoField):