Zoological Record today belongs to Clarivate and at their website, when I click at "Go to product" I am directed to Web of Science basic search. I did not find any filter for Zoological Record there. Does it exist?
https://clarivate.com/products/scientific-and-academic-research/research-discovery-and-workflow-solutions/webofscience-platform/web-of-science-zoological-records/
The Index to Organisms Names, however, is working:
http://www.organismnames.com/query.htm