Dentimargo macnairi (A.R.J.B. Bavay, 1922)
Dentimargo makiyamai (T. Habe, 1951)
Dentimargo malakosi (FOSSIL) (Muniz Solis, 2002 †)
Dentimargo mayabequensis J. Espinosa & J.A. Ortea,2015
Dentimargo mayii (R. Tate, 1900)
Dentimargo montrouzieri F. Boyer, 2003
Dentimargo nauticus J. Espinosa, J.A. Ortea& L. Moro, 2012
Dentimargo neglecta (G.B. I Sowerby, 1846)
Dentimargo osmayi J. Espinosa & J.A. Ortea,2014
Dentimargo perexilis (A.R.J.B. Bavay, 1922)
Dentimargo polyspira (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Dentimargo pumila (J.H. Redfield, 1870)
Dentimargo quilonica (J.C. Melvill, 1898)
Dentimargo ratzingeri T. Cossignani, 2006
Dentimargo redferni J. Espinosa, J.A. Ortea& L. Moro, 2012
Dentimargo reductus (A.R.J.B. Bavay, 1922)
Dentimargo repentina (E.R. Sykes, 1905)
Dentimargo rincigula (G.B. III Sowerby, 1901)
Dentimargo rivesi J. Espinosa & J.A. Ortea,2013
Dentimargo rogeri J. Espinosa & J.A. Ortea,2014
Dentimargo scapulatus Boyer, 2017
Dentimargo smithii (A.E. Verrill, 1885)
Dentimargo somalica T. Cossignani, 2001
Dentimargo spengleri M. Lussi, 2007
Dentimargo spongiarum F. Boyer, 2001
Dentimargo stewartiana (H.H. Suter, 1908)
Dentimargo suavis (S.M. Souverbie, 1859)
Dentimargo subamoena (A.W.B. Powell, 1937)
Dentimargo subfusula (A.W.B. Powell, 1932)
Dentimargo tanora (W.H. Dall, 1927)
Dentimargo teramachi T. Habe, 1951
Dentimargo tillmanni J. Espinosa & J.A. Ortea,2013
Dentimargo tonyi J. Espinosa & J.A. Ortea,2014
Dentimargo totomiensis J. Makiyama, 1927
Dentimargo tropica (C.F. Laseron, 1957)