How many species of crocodiles are there?

 Reptilians 
Order 1: Pygidae: North American river catfish
    Alligator (Chinese crocodile) in the Yangtze River 
    Crocodileidae Dwarf crocodile (Osteolaemus tetraspis)
    American crocodile (Crocodylus acutus)
    Crocodylus cataphractus
    Orinoco crocodile (Crocodylus intermedius)
    Australian freshwater crocodile (Crocodylus johnstoni)
    Philippine crocodile (Crocodylus mindorensis) 
    Guatemalan crocodile (Crocodylus moreletii) 
    Nile crocodile (Crocodylus niloticus)
    New Guinea crocodile (Crocodylus novaeguineae)
    Swamp crocodile (Crocodylus palustris) 
    Crocodylus porosus 
   Cuban crocodile (Crocodylus rhombifer)
    Siamese crocodile (Crocodylus siamensis) 
    Tomistoma schlegelii 

There is one species of Ganges fish-eating crocodile in India

https://www.etsy.com/listing/1032851792/light-brown-genuine-crocodilealligator