All of the following are fissural cysts except:

Fissural / Developmental cysts The most common etiology of fissural cysts is the abnormal proliferation of epithelium in which are trapped along the lines of fusion of various bones or embryonic process. Globulomaxillary cyst: Nasolabial cyst (Nasoalveolar cyst / Klestadt's cyst) Median anterior maxillary cyst /nasopalatine / incisive canal cyst Median palatal cyst: Dental Lamina Cyst of Newborn