Impact Factor

Zootaxa's impact factor* for 2014 is 0.906, according to the 2014 edition of Journal Citation Reports (published by Thomson Reuters in June 2015).

Zootaxa's impact factor* for 2013 is 1.060, according to the 2013 edition of Journal Citation Reports (published by Thomson Reuters in July 2014).

Zootaxa's impact factor* for 2012 is 0.974, according to the 2012 edition of Journal Citation Reports (published by Thomson Reuters in June 2013).

Zootaxa's impact factor* for 2011 is 0.927, according to the 2011 edition of Journal Citation Reports (published by Thomson Reuters in June 2012).

Zootaxa's impact factor* for 2010 is 0.853, according to the 2010 edition of Journal Citation Reports (published by Thomson Reuters in June 2011).

Zootaxa's impact factor* for 2009 is 0.891, according to the 2009 edition of Journal Citation Reports (published by Thomson Reuters in June 2010).

Zootaxa's impact factor* for 2008 is 0.740, according to the 2008 edition of  Journal Citation Reports (published by Thomson Reuters in June 2009).

Zootaxa's impact factor* for 2007 is 0.691, according to the 2007 edition of  Journal Citation Reports (published by Thomson Scientific in June 2008).

Zootaxa's impact factor* for 2006 is 0.612, according to the 2006 edition of  Journal Citation Reports (published by Thomson Scientific in June 2007).

* The impact factor is a measure of the frequency with which an average article in a journal has been cited in a particular year or period. The ISI impact factor of a journal for a particular year is calculated by dividing the number of current year citations in ISI SCIE journals to the source items (articles and reviews) published in that journal during the previous two years.  The impact factor for 2010 is as:

A: number of citations in 2010 (SCIE indexed journals) to papers of published in 2008 and 2009

B: number of articles and reviews published in 2008 and 2009

IF for 2010 = A / B