Jayasree Vadhyar 1980. A new species of Paracanthonchus Micoletzky, 1924 and a known species of Paracyatholaimus Micoletzky, 1922 (Nematoda, Cyatholaimidae, Paracanthonchinae) from polluted intertidal sand in Scotland. Cahiers de Biologie Marine, 21(4) 1980: 375-381