African spurred tortoise. The African spurred tortoise (Centrochelys sulcata), also called the sulcata tortoise, is a species of tortoise, which inhabits the southern edge of the Sahara desert, in northern Africa. It is the third-largest species of tortoise in the world, the largest species of mainland tortoise, and the only species in the genus Centrochelys.
You can delete messages one at a time, or you can delete an entire conversation. To delete a message: 1  Click Messages on the left side of your homepage. 2  Open the conversation you want to delete a message from.  From the Actions menu, select Delete Messages...
At present, there is no CTRL+ Z for a message that you send on Facebook Messenger. Once you have sent a text, it is bound to deliver. At present, you can only delete a sent message from your inbox (but not from the recipientâs inbox). This, however, might soon be changing. Facebook has recent added another patent, 20160182434, to its patent portfolio that discloses a method in which you can request Facebook to delete an already sent message from a receiverâs inbox.