is a species of the class Clitellata in the family Acanthodrilidae and order Opisthopora.
Diplocardia alabamana
Diplocardia alba
Diplocardia biprostatica
Diplocardia bitheca
Diplocardia bivesiculata
Diplocardia californiana
Diplocardia caroliniana
Diplocardia communis
Diplocardia conoyeri
Diplocardia egglestoni
Diplocardia eiseni
Diplocardia farmvillensis
Diplocardia fusca
Diplocardia fuscula
Diplocardia glabra
Diplocardia gracilis
Diplocardia hulberti
Diplocardia indica
Diplocardia invecta
Diplocardia kansensis
Diplocardia keyesi
Diplocardia koebeli
Diplocardia komareki
Diplocardia longa
Diplocardia longiseta
Diplocardia macdowelli
Diplocardia meansi
Diplocardia michaelseni
Diplocardia minima
Diplocardia montana
Diplocardia nova
Diplocardia ornata
Diplocardia patuxentis
Diplocardia pettiboneae
Diplocardia riparia
Diplocardia rugosa
Diplocardia sandersi
Diplocardia singularis
Diplocardia smithii
Diplocardia sylvicola
Diplocardia udei
Diplocardia vaili
Diplocardia varivesiculata
Diplocardia verrucosa
Diplocardia woodi
Diplocardia zicsii
Diplocardia floridana
Diplocardia mississippiensis