The Palynological Society (AASP) recently published the 2017 edition of the Lentin and Williams Index. It compiles all the all fossil dinoflagellate taxa at and below generic rank known to the authors as of 31st July 2016. By the numbers, the index contains, "667 generic and 4,464 specific "correct" names, and includes in total 9,910 taxonomic entries in its main part (exclusive of appendices), as well as over 2,400 references." 728 entirely new taxonomic entries were added and 1,471 were modified. Download your copy for free from the AASP website.