• Pachastrella Schmidt, 1868
• Pachastrella abyssi Schmidt, 1870
• Pachastrella amygdaloides Carter, 1876 accepted as Nethea amygdaloides (Carter, 1876)
• Pachastrella caliculata Kirkpatrick, 1902
• Pachastrella chuni Lendenfeld, 1907
• Pachastrella compressa (Bowerbank, 1866) accepted as Poecillastra compressa (Bowerbank, 1866)
• Pachastrella connectens Schmidt, 1870 accepted as Characella connectens (Schmidt, 1870)
• Pachastrella cribrum Lebwohl, 1914
• Pachastrella debilis Topsent, 1890 accepted as Nethea amygdaloides (Carter, 1876)
• Pachastrella dilifera de Laubenfels, 1934
• Pachastrella echinorhabda Pulitzer-Finali, 1972
• Pachastrella exostitus accepted as Dercitus (Halinastra) exostoticus (Schmidt, 1868)
• Pachastrella exostotica Schmidt, 1868 accepted as Dercitus (Halinastra) exostoticus (Schmidt, 1868)
• Pachastrella fusca Lebwohl, 1914
• Pachastrella geodioides Carter, 1876 accepted as Calthropella (Calthropella) geodioides (Carter, 1876)
• Pachastrella incrustata Bergquist, 1968
• Pachastrella intexta Carter, 1876 accepted as Triptolemma intextum (Carter, 1876)
• Pachastrella intextum Carter, 1876 accepted as Triptolemma intextum (Carter, 1876)
• Pachastrella isorrhopa Kirkpatrick, 1902
• Pachastrella japonica Thiele, 1898 accepted as Poecillastra japonica (Thiele, 1898)
• Pachastrella lesinensis Lendenfeld, 1894 accepted as Dercitus (Stoeba) lesinensis (Lendenfeld, 1894)
• Pachastrella lithistina Schmidt, 1880 accepted as Calthropella (Pachataxa) lithistina (Schmidt, 1880)
• Pachastrella loricata (Lebwohl, 1914) (uncertain > taxon inquirendum)
• Pachastrella monilifer accepted as Pachastrella monilifera Schmidt, 1868
• Pachastrella monilifera Schmidt, 1868
• Pachastrella multipora Dickinson, 1945
• Pachastrella nodulosa Cárdenas & Rapp, 2012
• Pachastrella ovisternata Lendenfeld, 1894
• Pachastrella pacoi Van Soest, Meesters & Becking, 2014
• Pachastrella parasitica Carter, 1876 accepted as Triptolemma intextum (Carter, 1876)
• Pachastrella scrobiculosa Lebwohl, 1914
• Pachastrella stellettodes Carter, 1885 accepted as Characella stellettodes (Carter, 1885)
• Pachastrella stylifera Lendenfeld, 1897 accepted as Poecillastra compressa (Bowerbank, 1866)
• Pachastrella tenuilaminaris (Sollas, 1886) accepted as Poecillastra tenuilaminaris (Sollas, 1886)
• Pachastrella tenuipilosa Lendenfeld, 1907 accepted as Poecillastra compressa (Bowerbank, 1866)
• Samus (Pachastrella) Carter, 1880 accepted as Triptolemma Laubenfels, 1955
• Samus (Pachastrella) parasiticus (Carter, 1876) accepted as Triptolemma intextum (Carter, 1876)