Moravec, F. & Van As, J.G. & Dyková, I. (2002)
Proleptus obtusus Dujardin, 1845 (Nematoda: Physalopteridae) from the puffadder shyshark Haploblepharus edwardsii (Scyliorhinidae) from off South Africa. Systematic Parasitology, 53(3), 169–173
DOI: 10.1023/A:1021130825469
Van As, J.G. & Basson, L. (1996)
An endosymbiotic trichodinid, Trichodina rhinobatae sp n (Ciliophora: Peritrichia) found in the lesser guitarfish, Rhinobatos annulatus Smith, 1841 (Rajiformes: Rhinobatidae) from the South African coast. Acta Protozoologica, 35(1), 61–67