Cerebratulus fuscus (McIntosh, 1874)
Cerebratulus lacteus (Leidy, 1851)
Cerebratulus luridus accepted as Tarrhomyos luridus (Verrill, 1873)
Cerebratulus marginatus [Renier], [1804]
Cerebratulus melanops Coe & Kunkel, 1903
Cerebratulus montgomeryi Coe, 1901 accepted as Kulikovia montgomeryi (Coe, 1901)
Fragilonemertes rosea (Leidy, 1851)
Kulikovia montgomeryi (Coe, 1901)
Lineus arenicola (Verrill, 1873)
Lineus bicolor Verrill, 1892 accepted as Tenuilineus bicolor (Verrill, 1892)
Lineus ruber (Müller, 1774)
Lineus sanguineus (Rathke, 1799)
Lineus viridis (Müller, 1774)
Micrura affinis (Girard in Stimpson, 1854)
Micrura dorsalis Verrill, 1892
Micrura leidyi (Verrill, 1892)
Ramphogordius sanguineus (Rathke, 1799) accepted as Lineus sanguineus (Rathke, 1799)
Siphonenteron bicolour (Verrill, 1892) accepted as Tenuilineus bicolor (Verrill, 1892)
Tarrhomyos luridus (Verrill, 1873)
Tenuilineus bicolor (Verrill, 1892)