A new species of free-living marine nematode, collected from subtidal sediments in the Yellow Sea, China, is described herein as M. sinica sp. nov. The species is characterized by a slender body of 2450–3670 µm long; three small teeth nearly equal in size; short spicules almost straight, cephalated proximally and conical distally; a small gubernaculum without apophysis; the absence of precloacal supplements and setae; and the presence of three small precloacal pores. Morphological characteristics of males of all Meyeria species are provided.