Metasphaerolaimus cancellatus
Metasphaerolaimus crassicauda
Metasphaerolaimus hadalis
Metasphaerolaimus hamatus
Metasphaerolaimus inglisi
Metasphaerolaimus constrictus
Metasphaerolaimus gerlachi
Metasphaerolaimus japonicus
Metasphaerolaimus campbelli
Metasphaerolaimus horrendus