Arcturus hirsutus Richardson, 1904 accepted as Antarcturus hirsutus (Richardson, 1904) (original description)
Bopyrina abbreviata Richardson, 1904 (original description)
Bopyrina thorii Richardson, 1904 accepted as Bopyrinella thorii (Richardson, 1904) (original description)
Bopyrina urocaridis Richardson, 1904 accepted as Schizobopyrina urocaridis (Richardson, 1904) (original description)
Cirolana japonensis Richardson, 1904 accepted as Natatolana japonensis (Richardson, 1904) (original description)
Cymodoce acuta Richardson, 1904 (original description)
Diplophryxus Richardson, 1904 (original description)
Diplophryxus jordani Richardson, 1904 (original description)
Heterias Richardson, 1904 (original description)
Idusa carinata Richardson, 1904 (original description)
Ione thompsoni Richardson, 1904 (original description)
Livoneca propinqua Richardson, 1904 accepted as Glyptothoa propinqua (Richardson, 1904) (original description)
Meinertia gilberti Richardson, 1904 accepted as Ceratothoa gilberti (Richardson, 1904) (original description)
Munidion parva Richardson, 1904 accepted as Munidion parvum Richardson, 1904 (original description)
Parapenaeon Richardson, 1904 (original description)
Parapenaeon consolidata Richardson, 1904 (original description)
Pentias Richardson, 1904 (original description)
Pentias hayi Richardson, 1904 (original description)
Probopyrus bithynis Richardson, 1904 (original description)
Probopyrus floridensis Richardson, 1904 (original description)
Pseudione curtata Richardson, 1904 accepted as Aporobopyrus curtatus (Richardson, 1904) (original description)
Pseudione furcata Richardson, 1904 accepted as Orthione furcata (Richardson, 1904) (original description)
Pseudione paucisecta Richardson, 1904 accepted as Parione paucisecta (Richardson, 1904) (original description)
Pseudione tuberculata Richardson, 1904 accepted as Eremitione tuberculata (Richardson, 1904) (original description)
Rocinela affinis Richardson, 1904 (original description)
Rocinela angustata Richardson, 1904 (original description)
Sphaeroma retrolaevis Richardson, 1904 accepted as Sphaeroma retrolaeve Richardson, 1904 (original description)
Stegias Richardson, 1904 (original description)
Stegias clibanarii Richardson, 1904 (original description)
Symmius Richardson, 1904 (original description)
Symmius caudatus Richardson, 1904 (original description)
Urobopyrus Richardson, 1904 (original description)
Urobopyrus processae Richardson, 1904 (original description)

Florida for Bopyrina urocaridis Richardson, 1904 
Key West for Bopyrina thorii Richardson, 1904 
Key West for Pseudione curtata Richardson, 1904 
Virginia for Pseudione furcata Richardson, 1904