In June 2015, the European Parliament had eight political groups and a group of non-attached members (NI=Non Inscrits). There are 751 members in total from July 2014.
The Socialist group has been renamed the progressive alliance of socialists and democrats, S-D, to include former Italian members from the liberal group amalgamated into the Democratic Party in Italy.
The British Conservatives initated a new group called European Conservatives and Reformists, ECR, in 2009. It bevcame the third biggest group in 2014.
The IND/DEM group disappeared in 2009 and was followed by a new group called Europe for Freedom and Democracy, EFD, renamed Europe for Freedom and Direct Democracy in 2014.
Here is the list of political groups
ENF: Europe of Nations and Freedoms
See also European Parliament