Lapsus calami is a Latin term for "a slip of the pen". This term has its origins in zoology and taxonomy, where people often misspell scientific names, especially when they have not studied Latin. Although Latin was once the language of choice for educated individuals, making the use of Latin for scientific names very sensible, this language is much less widely studied today. This can make researchers prone to errors when they try to recall the spelling of a scientific name. Image:Mantell's Iguanodon restoration.jpg This article is a . You can help My English Wiki by expanding it.