odontaspis การใช้

• Fossils of " Odontaspis " have been found all over the world.
• Summary of South American records of the smalltooth sand tiger shark Odontaspis ferox ( Chondrichthyes : Odontaspidae ), with the first record from Chilean waters.
• The "'bigeye sand tiger "'( " Odontaspis noronhai " ) is an extremely rare species of Odontaspididae, with a possible worldwide distribution.
• Instead, " Odontaspis " was found to be closer to the crocodile shark ( " Pseudocarcharias kamoharai " ), suggesting that it and " Carcharias " should be placed in separate families.
• The "'smalltooth sand tiger "'or "'bumpytail ragged-tooth "'( " Odontaspis ferox " ) is a species of Odontaspididae, with a patchy but worldwide distribution in tropical and warm temperate waters.
• A 2012 molecular phylogenetic analysis, based on mitochondrial DNA, supported a sister species relationship between " O . noronhai " and " O . ferox " but not a clade consisting of " Odontaspis " and " Carcharias ".
• After being shuffled between the genera " Carcharias " and " Odontaspis " in the family Odontaspididae by various authors, in 1973 Leonard Compagno resurrected Jean Cadenat's 1963 subgenus " Pseudocarcharias " from synonymy for this species and placed it within its own family.