Diplocardia alba- Diplocardia bivesiculata
- Diplocardia californiana
- Diplocardia caroliniana
- Diplocardia communis
- Diplocardia conoyeri
- Diplocardia egglestoni
- Diplocardia eiseni
- Diplocardia farmvillensis
- Diplocardia floridana
- Diplocardia floridiana
- Diplocardia fusca
- Diplocardia fuscula
- Diplocardia gatesi
- Diplocardia glabra
- Diplocardia gracilis
- Diplocardia hulberti
- Diplocardia indica
- Diplocardia invecta
- Diplocardia kansensis
- Diplocardia keyesi
- Diplocardia koebeli
- Diplocardia longa
- Diplocardia longiseta
- Diplocardia macdowelli
- Diplocardia meansi
- Diplocardia michaelseni
- Diplocardia minima
- Diplocardia mississippiensis
- Diplocardia montana
- Diplocardia nova
- Diplocardia ornata
- Diplocardia riparia
- Diplocardia rugosa
- Diplocardia sandersi
- Diplocardia singularis
- Diplocardia smithii
- Diplocardia sylvicola
- Diplocardia udei
- Diplocardia vaili
- Diplocardia varivesicula
- Diplocardia verrucosa
- Diplocardia woodi
- Diplocardia zicsii