New species of Antomicron and Leptolaimus (Nematoda: Leptolaimidae) and record of Procamacolaimus (Nematoda: Camacolaimidae) from Patagonia coast, Chubut and Santa Cruz, Argentina

Abstract

Antomicron, Leptolaimus and Procamacolaimus of Patagonian, Chubut and Santa Cruz provinces of Argentina, providing a review of their taxonomy or a new identification key. One new species belonging to the genus Antomicron and one new species belonging to the genus span. Leptolaimus of the family Leptolaimidae are described from Puerto San Julián, Santa Cruz province. Antomicron alveolatum sp. nov. has 35 alveoli and three precloacal supplements and Leptolaimus gabinoi sp. nov. is characterized by the structure and number of precloacal supplements (three) with hamate distal end with two hooks. Another species belonging to the genus Procamacolaimus of the family Camacolaimidae, described and recorded from Puerto Madryn, Chubut province of Argentina: Procamacolaimus dorylaimus.