Two new free-living marine species of Desmodorella (Nematoda: Desmodoridae) from the continental shelf of northeastern Brazil, with an emended generic diagnosis and a dichotomous key to the species 1Zoologia, Universidade Federal de Pernambuco, Recife, PE, Brazil 2Biologia Animal Graduate Course, Universidade Federal de Pernambuco, Recife, PE, Brazil DOI 10.7717/peerj.20094 Academic Editor Viktor Brygadyrenko Subject Areas Biodiversity, Taxonomy, Zoology Keywords Desmodorinae, Potiguar Basin,...