Dentition whether or not it has erupted. Regarding premolars, there is disagreement regarding whether the third type of deciduous tooth is a premolar (the general consensus among mammalogists) or a molar (commonly held among human anatomists). There is thus some discrepancy between nomenclature in zoology and in dentistry. This is because the terms of human dentistry, which have generally prevailed over time, have not included mammalian dental evolutionary theory. There were originally four premolars in each quadrant of early mammalian jaws. However, all living primates have lost at least the first premolar. "Hence most of the prosimians and platyrrhines have three
I Should Have Known Better (Jim Diamond song) I Should Have Known Better (Jim Diamond song) "I Should Have Known Better" was a UK number one single for one week in December 1984 for Jim Diamond. The song was displaced after one week by Frankie Goes to Hollywood's song "The Power of Love". Diamond publicly requested that people not buy his single, but instead buy "Do They Know It's Christmas?" "I Should Have Known Better" was re-recorded for Diamond's 1993 solo album "Jim Diamond". He recorded the song a third time for his 2005 single "Blue Shoes", which also featured a re-recording of "I Won't Let You Down"