We don't have synonyms for protolog yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are protocol, protozoa and prolog.
(n) :
Alternative form of protologue. [(botany, mycology) All the original material associated with a newly published name, comprising its description or diagnosis and any of a number of other elements such as illustrations, synonymy, etc.]
(n) :
Alternative form of protologue. [(botany, mycology) All the original material associated with a newly published name, comprising its description or diagnosis and any of a number of other elements such as illustrations, synonymy, etc.]