Scottnema lindsayae , a microbial feeder and the most abundant and widely distributed metazoan invertebrate , often occurs as the sole metazoan species in the McMurdo Dry Valleys .
Carbon appears to be more important than moisture in defining good habitats for nematodes in the Dry Valleys of Antarctica .
Scottnema lindsayae , a microbial feeder and the most abundant and widely distributed metazoan invertebrate , often occurs as the sole metazoan species in the Dry Valleys     .
Carbon appears to be more important than moisture in defining good habitats for nematodes in the Dry Valleys of Antarctica .