Ever get stuck with a scientific name? I certainly do, and those are just the ones that I’m aware of getting wrong. Possibly the area of the hobby I get corrected most often is where I mispronounce, especially with something that I learnt some thirty years ago and have been repeating erroneously ever since. A chance email from a new contributor started a journey to fixing that. Donald Henderson, a palaeontologist over in Canada, messaged me to let me know I’d messed something up, so I invited him not only to teach me, but to write something on the subject to help any of my readers who may also be grey in this area. Such are the delights of correspondence — my emails and letterbox are always open to feedback on anything. If I’ve made an error, always tell me. If it turns out to be something you know a lot about, I’ll invite you to write on it as well. I’ll even pay you to do it.