Ottoman Bichaq help

[Kubur]

Some people think that this type of Yataghan with small curved ears are from Algeria. To be honest I don't know why...
It's like the Pala without guard, they are supposed to be Algerians.
I just post one of my flyssa daggers, you see the design of the scabbard and the blade are Algerian, but the general look of the dagger is like a bichaq.
Check this one also
http://www.vikingsword.com/vb/showthread.php?t=11699
Some people call these daggers flyssa others bichaq...
It is a complicated issue on this forum, should we use generic names or local names to define these objects????
For example, i think that an Omani sword is not a sayf but a kattara, despite all the discussions on this forum. Because when you say a kattara you know exactly where it comes from...