"Inventa un nome scientifico per una creatura immaginaria"
'<N/A>' is already in English and does not need to be translated into Italian. It is an abbreviation that stands for "not applicable" or "not available".
I'm sorry, but 'Acarnarocalyxes balanopuphas' doesn't seem to be a word or phrase in any language, including Italian. It may be a made-up or misspelled term. Can you provide more context or information about what you are trying to translate?