Genera include:
Rhabditis, Caenorhabditis, Cruznema, Pelodera, Bursilla (Mesorhabditis), Steinernema, Heterorhabditis.
... opening is not quite where it should be (it occurs lower than normal in hypospadias). A chordee[?] is when the urethra develops between the penis and the scrotum. ...