Juvenal also helped come up with the name for a forensically important beetle, Histeridae.
Another claim to fame for Gyllenhaal is the fact that he named the common beetle family of Histeridae.
Oleg Leonidovich Kryzhanovsky (28 May 1918, Ekaterinburg-15 June 1997) was a Russian entomologist who specialised in Coleoptera especially Carabidae and Histeridae.