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  Original name  
  Check ECoF  
  Current accepted name  
Accepted name
  Status details  
senior synonym, original combination
  Status ref.  
Published in 1966 in a volume for 1964. See ECoF original reference.
  Etymology of generic noun  
  from ETYFish
tetra (Gr.) four; pleura, (Gr.) side, odon (Gr.), tooth. i.e., lateral teeth, referring to four enlarged teeth on each side of mouth of T. spadiceus. (See ETYFish)
  Etymology of specific epithet  
  from ETYFish
Latin for twin, the non-parasitic “twin” of the parasitic T. spadiceus [date often given as 1964]. (See ETYFish)
  Link to references  
References using the name as accepted
  Link to other databases  
ITIS TSN : 159742 | Catalogue of Life | ZooBank | WoRMS

Note: ETYFish and FishBase started a collaboration to complete the etymology for all valid names of fishes. For the current update, the following groups were completed: hagfishes (Myxini), lampreys (Petromyzonti), chimaeras (Holocephali), and sharks (Squalomorphi). It is a work in progress, so the two websites may not be synchronized.

Scharpf, C. The ETYFish Project, Fish Name Etymology Database.
Please, report here on etymology issues.