Lemur of mouse lemurs, the gray mouse lemur ("M. murinus"), golden-brown mouse lemur ("M. ravelobensis"), and Goodman's mouse lemur ("M. lehilahytsara") were considered the same species until recently, when genetic tests identified them as cryptic species. The lemur dentition is heterodont (having multiple tooth morphologies) and derives from an ancestral primate permanent dentition of . Indriids, sportive lemurs, the aye-aye, and the extinct sloth lemurs, monkey lemurs, and koala lemurs have reduced dentitions, having lost incisors, canines, or premolars. The ancestral deciduous dentition is , but young indriids, aye-ayes, koala lemurs, sloth lemurs, and probably monkey lemurs have fewer deciduous teeth.
I Should Have Known Better (Jim Diamond song) and covers of old soul songs such as "My Girl". The song was covered in French by Julie Pietri ("À force de toi"). It was also covered in Italian by Matteo Becucci ("Lo avrei dovuto sapere"), as part of a compilation that showcases the contestants of "The X-Factor" Italia's second season. The Spanish version of the song "Te Veo Pasar" was covered by Yolandita Monge in her album Luz de Luna. 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