TY - JOUR AB - This article is a review of the genus Richtersia (Nematoda: Selachinematidae) with a key to species, genus diagnosis and lists of valid species. Two new Richtersia species from the Golfo San José and Golfo San Matías, Chubut province of Argentina are described: Richtersia bicornis sp. nov. is characterized by having two thorn structures after cuticular collar, and in total 32–40 longitudinal rows of spines arranged in eight groups in cervical region and precloacal spines similar in shape. Richtersia argentinae sp. nov. is characterized by the number of longitudinal rows of spines, amphid size and the precloacal spines configuration A1 - Pastor de Ward, C. T. A1 - Lo Russo, V. DO - 10.1017/S0025315407056755 JO - J. Mar. Biol. Ass. U.K.87 N1 - NeMys doc_id: 17907 SP - 1153 EP - 1160 C1 - 1153–1160 TI - A review of the genus Richtersia (Nematoda: Selachinematidae): new species from Golfo San José and Golfo San Matías, Chubut (Argentina) UR - https://nemys.ugent.be/aphia.php?p=sourcedetails&id=178735 PY - 2007 Y2 - 2024-03-28 ER -