Aha!! [triumph]

And I always thought the species names Tachyglossus and Zaglossus were shonky attempts to deepen the cover-up: sort of "'tis tongued like a viper" -- "very like a viper".

I once wrote to Stephen Jay Gould about this very matter. When I got to the crucial phrase and they've been covering up ever since I even burst into green biro to let him know I was serious. He must have been very busy at the time. What with not replying and all.