| Notoplana acticola (Boone, 1929) | | - | other taxonomic work | 321-323, Figs. 71-75 |
| Stylochoplana panamensis (Plehn, 1896) | | - | other taxonomic work | 301-303, Figs. 39-41 |
| Rectocephala mediobuccalis (Sabussow, 1929) | | w | latest taxonomic authority | |
| Discoplana concolor (Meixner, 1907) | | w | latest taxonomic authority | |
| Planoceroidea Callioplanidae Hyman, 1953 | | - | primary taxonomic authority (describer) | 357-358 |
| Callioplanidae Monosolenia Hyman, 1953 | | - | primary taxonomic authority (describer) | 359 |
| Monosolenia asymmetrica Hyman, 1953 | | - | primary taxonomic authority (describer) | 359-362, Figs. 127-129 |
| Gnesiocerotidae Spinicirrus Hyman, 1953 | | - | primary taxonomic authority (describer) | 350 |
| Spinicirrus inequalis Hyman, 1953 | | - | primary taxonomic authority (describer) | 350-353, Figs. 114-117 |
| Hoploplana californica Hyman, 1953 | | - | primary taxonomic authority (describer) | 344-346, Figs. 106, 107 |
| Leptoplana limnoriae Hyman, 1953 | | - | primary taxonomic authority (describer) | 313-314, Figs. 57-59 |
| Copidoplana tripyla Hyman, 1953 | | - | primary taxonomic authority (describer) | 339-341, Figs. 97-100 |
| Stylochoplaninae Diplandros Hyman, 1953 | | - | primary taxonomic authority (describer) | 341 |
| Diplandros singularis Hyman, 1953 | | - | primary taxonomic authority (describer) | 341-343; figs. 101-105 |
| Stylochoplaninae Freemania Hyman, 1953 | | - | primary taxonomic authority (describer) | 336 |
| Stylochoplaninae Macginitiella Hyman, 1953 | | - | primary taxonomic authority (describer) | 337 |
| Macginitiella delmaris Hyman, 1953 | | - | primary taxonomic authority (describer) | 337-339, Figs. 95, 96 |
| Stylochoplaninae Parviplana Hyman, 1953 | | - | primary taxonomic authority (describer) | 314 |
| Pucelis mexicana (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Stylochoplana hancocki Hyman, 1953 | | - | primary taxonomic authority (describer) | 307-308, Figs. 49-51 |
| Stylochoplana limnoriae (Hyman, 1953) | | - | primary taxonomic authority (describer) | |
| Stylochoplana longipenis Hyman, 1953 | | - | primary taxonomic authority (describer) | 305-307, Figs. 45-48 |
| Zygantroplana stylifera Hyman, 1953 | | - | primary taxonomic authority (describer) | 308-310, Figs. 52-54 |
| Planocera tridentata Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Cryptocelis insularis Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Cryptocelis occidentalis Hyman, 1953 | | - | primary taxonomic authority (describer) | 294-296, Figs 28-31 |
| Cryptocelidinae Longiprostatum Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Longiprostatum rickettsi Hyman, 1953 | | - | primary taxonomic authority (describer) | 300-301; Figs. 37, 38 |
| Ommatoplana levis Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Ommatoplana mexicana Hyman, 1955 | | - | primary taxonomic authority (describer) | |
| Phaenocelis mexicana Hyman, 1953 | | - | primary taxonomic authority (describer) | 299-300, Figs. 34-36 |
| Alleena mexicana Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Latocestus galapagensis Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Plehniidae Paraplehnia Hyman, 1953 | | w | primary taxonomic authority (describer) | 279 |
| Plehnia caeca Hyman, 1953 | | - | primary taxonomic authority (describer) | 277-279 |
| Plehnia caeca oculifera Hyman, 1953 | | w | primary taxonomic authority (describer) | 279-280 |
| Cryptophallinae Mexistylochus Hyman, 1953 | | w | primary taxonomic authority (describer) | 291 |
| Mexistylochus tuberculatus Hyman, 1953 | | - | primary taxonomic authority (describer) | 291-, Figs. 25, 26 |
| Stylochus atentaculatus Hyman, 1953 | | w | primary taxonomic authority (describer) | 283-285, Figs. 14-17 |
| Stylochus californicus Hyman, 1953 | | w | primary taxonomic authority (describer) | 285-287, Figs. 18-19 |
| Stylochus exiguus Hyman, 1953 | | w | primary taxonomic authority (describer) | 287-289, FIgs. 20-21 |
| Stylochus franciscanus Hyman, 1953 | | w | primary taxonomic authority (describer) | 280-282, Figs. 8-9 |
| Stylochus insolitus Hyman, 1953 | | w | primary taxonomic authority (describer) | 289-290, Figs 22-24 |
| Stylochus tripartitus Hyman, 1953 | | w | primary taxonomic authority (describer) | 282-283, Figs. 10-13 |
| Acerotisa arctica Hyman, 1953 | | - | primary taxonomic authority (describer) | 379, Figs. 148, 149 |
| Acerotisa californica Hyman, 1953 | | - | primary taxonomic authority (describer) | 379-381, Figs. 150, 152-154 |
| Euryleptodes insularis Hyman, 1953 | | - | primary taxonomic authority (describer) | 375-377, Figs. 146, 147 |
| Prostheceraeus bellostriatus Hyman, 1953 | | - | primary taxonomic authority (describer) | 373-375, Figs. 144, 145 |
| Pericelididae Marcusia Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Marcusia ernesti Hyman, 1953 | | - | primary taxonomic authority (describer) | 296-297, Figs. 32, 33 |
| Pericelis ernesti (Hyman, 1953) | | - | primary taxonomic authority (describer) | |
| Enchiridium punctatum Hyman, 1953 | | - | primary taxonomic authority (describer) | 386-387, Figs. 160, 161 |
| Prosthiostomum latocelis Hyman, 1953 | | - | primary taxonomic authority (describer) | 382-384, Figs. 155-157 |
| Prosthiostomum multicelis Hyman, 1953 | | - | primary taxonomic authority (describer) | 384-386, Figs. 158-159 |
| Pseudoceros bajae Hyman, 1953 | | - | primary taxonomic authority (describer) | 365-366, Figs. 135, 136 |
| Pseudoceros canadensis Hyman, 1953 | | - | primary taxonomic authority (describer) | 368-369, Figs. 138-139 |
| Pseudoceros mexicanus Hyman, 1953 | | - | primary taxonomic authority (describer) | 363-365, Figs. 132-134 |
| Pseudoceros montereyensis Hyman, 1953 | | - | primary taxonomic authority (describer) | |
| Pseudobiceros bajae (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Thysanozoon californicum Hyman, 1953 | | - | primary taxonomic authority (describer) | 362-363, Figs. 130, 131 |
| Thysanozoon sandiegense Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Bdellocephala exotica (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| incertae sedis Mexistylochus Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Mexistylochus levis Hyman, 1953 | | w | primary taxonomic authority (describer) | 293-294, Fig. 27 |
| Mexistylochus tuberculatus Hyman, 1953 | | w | primary taxonomic authority (describer) | 291-293 |
| Paraplehnia japonica (Bock, 1923) | | - | other taxonomic work | 279 |
| Leptoplana chloranota (Boone, 1929) | | - | other taxonomic work | 310-313, Figs. 55, 56 |
| Phylloplana chloranota Boone, 1929 | | - | other taxonomic work | 310-313 |
| Leptoplana vesiculata Hyman, 1939 | | - | other taxonomic work | 313 |
| Parviplana californica (Woodworth, 1894) | | - | other taxonomic work | 314-315, Figs. 60, 61 |
| Notoplana atomata (Müller, 1776) | | - | other taxonomic work | 315 |
| Notoplana rupicola (Heath & McGregor, 1913) | | - | other taxonomic work | 315-318, Figs. 62-65 |
| Notoplana saxicola (Heath & McGregor, 1913) | | - | other taxonomic work | 318-319, Figs. 66-68 |
| Notoplana inquieta (Heath & McGregor, 1913) | | - | other taxonomic work | 319-321, Figs. 69, 70 |
| Notoplana sciophila (Boone, 1929) | | - | other taxonomic work | 323-325, Figs. 76, 77 |
| Notoplana sanpedrensis Freeman, 1930 | | - | other taxonomic work | 325 |
| Notoplana longastyletta (Freeman, 1933) | | - | other taxonomic work | 325-327, Figs. 78-80 |
| Notoplana sanguinea Freeman, 1933 | | - | other taxonomic work | 327-328, Figs. 81-83 |
| Notoplana celeris Freeman, 1933 | | - | other taxonomic work | 329-330, Fig. 85 |
| Notoplana natans Freeman, 1933 | | - | other taxonomic work | 328-329, Fig. 84 |
| Notoplana sanjuania Freeman, 1933 | | - | other taxonomic work | 330-332, Fig. 86 |
| Euplana pacificola (Plehn, 1896) | | - | other taxonomic work | 332-333, Figs. 87-89 |
| Phylloplana viridis (Freeman, 1933) | | - | other taxonomic work | 334-336, Figs. 90-92 |
| Freemania litoricola (Heath & McGregor, 1913) | | - | other taxonomic work | 336-337, Figs. 93, 94 |
| Alloioplana californica (Heath & McGregor 1913) | | - | other taxonomic work | 346-349, Figs. 108-110 |
| Alloioplana sandiegensis (Boone, 1929) | | - | other taxonomic work | 349-350, Figs. 111-113 |
| Paraplanocera oligoglena (Schmarda, 1859) | | - | other taxonomic work | 353-357, Figs. 118-123 |
| Pseudostylochus burchami Heath & McGregor, 1913 | | - | other taxonomic work | 358-359, Figs. 125, 126 |
| Pseudoceros luteus (Plehn, 1898) | | - | other taxonomic work | 366-368, Fig. 137 |
| Eurylepta aurantiaca Heath & McGregor, 1912 | | - | other taxonomic work | 370-372, Figs. 140, 141, 143 |
| Eurylepta leoparda Freeman, 1933 | | - | other taxonomic work | 372-373, Fig. 142 |
| Stylostomum lentum Heath & McGregor, 1912 | | - | other research on this sp. | 376-378 |
| Acerotisa alba (Freeman, 1933) | [with synonyms] | w | other taxonomic work | 378-379, Fig. 151 |
| Zygantroplana stylifera Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Cryptocelis occidentalis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Cryptocelididae Macginitiella Hyman, 1953 | | w | primary taxonomic authority (describer) | 337 |
| Macginitiella delmaris Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Phaenocelis mexicana Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Hoploplana californica Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Leptoplana limnoriae Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Leptoplanidae Longiprostatum Hyman, 1953 | | w | primary taxonomic authority (describer) | 300 |
| Longiprostatum rickettsi Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Leptoplanidae Parviplana Hyman, 1953 | | w | primary taxonomic authority (describer) | 318 |
| Parviplana californica (1) Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Copidoplana tripyla Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Faubelidae Diplandros Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Diplandros singularis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Tripyloplana tripyla (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | 339 |
| Notoplanidae Freemania Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Stylochoidea Callioplanidae Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Euplana gigas (Schmarda, 1859) | | w | latest taxonomic authority | |
| Euplana longipenis (Kato, 1943) | | w | latest taxonomic authority | |
| Euplana pacificola (Plehn, 1896) | | w | latest taxonomic authority | |
| Euplana subviridus (Plehn, 1896) | | w | latest taxonomic authority | |
| Parviplana californica (2) (Woodworth, 1894) | | w | latest taxonomic authority | |
| Freemania litoricola (Heath & McGregor, 1912) | | w | latest taxonomic authority | |
| Ommatoplana mexicana Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Ommatoplana levis (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Anonymidae Marcusia Hyman, 1953 | | w | primary taxonomic authority (describer) | 296 |
| Planoceridae Spinicirrus Hyman, 1953 | | w | primary taxonomic authority (describer) | 350 |
| Acerotisa arctica Hyman, 1953 | | w | primary taxonomic authority (describer) | 379 |
| Euryleptodes insularis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | 7 |
| Notocomplana mexicana (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Alloioplana stylifera (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Emprosthopharynx hancocki (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Phaenoplana longipenis (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochoplana hancocki Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Stylochoplana limnoriae (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochoplana longipenis Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Alleena mexicana Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Latocestus mexicana (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Latoplana levis (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Spinicirrus inequalis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Diplehnia caeca (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Diplehnia caeca oculifera var. (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Plehnia caeca Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Plehnia caeca oculifera var. Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudostylochidae Monosolenia Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Monosolenia asymmetrica Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochus atentaculatus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochus californicus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochus franciscanus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochus insolitus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochus exiguus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochus tripartitus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Acerotisa californica Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Praestheceraeus bellostriatus (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prostheceraeus bellostriatus Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Enchiridium punctatum Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prosthiostomum latocelis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prosthiostomum multicelis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Marcusia ernesti Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Pericelis ernesti (Hyman, 1953) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Cryptobiceros bajae (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Pseudoceros bajae Hyman, 1953 | | w | primary taxonomic authority (describer) | |
| Pseudoceros canadensis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudoceros mexicanus Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudoceros montereyensis Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Thysanozoon californicum Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Thysanozoon sandiegiense Hyman, 1953 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Kaburakia excelsa Bock, 1925 | | - | other taxonomic work | 290-291 |
| Stylochoplana gracilis Heath & McGregor, 1912 | | - | other taxonomic work | 303-305, Figs. 42-44 |
| Stylochoplana plehni Bock, 1913 | | - | other research on this sp. | 305 |
| Stylochoplaninae Zygantroplana Laidlaw, 1906 | | - | other taxonomic work | 308 |
| Leptoplaninae Phylloplana Laidlaw, 1903 | [with synonyms] | - | other taxonomic work | 333-334 |
| Planoceroidea Hoploplanidae Stummer-Traunfels, 1933 | | w | other taxonomic work | 343-344 |
| Hoploplanidae Hoploplana Laidlaw, 1902 | | - | other taxonomic work | 344 |
| Planoceroidea Planoceridae Lang, 1884 | | - | other taxonomic work | 346 |
| Stylochoplaninae Alloioplana Plehn, 1896 | | - | other taxonomic work | 346 |
| Planoceridae Paraplanocera Laidlaw, 1903 | | - | other taxonomic work | 353 |
| Callioplanidae Pseudostylochus Yeri & Kaburaki, 1918 | | - | other taxonomic work | 358 |
| Polycladida (II) Cotylea Lang, 1884 | | - | other taxonomic work | 362 |
| Cotylea Pseudocerotidae Lang, 1884 | | - | other taxonomic work | 362 |
| Pseudocerotidae Thysanozoon Grube, 1840 | [with synonyms] | - | other taxonomic work | 362 |
| Pseudocerotidae Pseudoceros Lang, 1884 | [with synonyms] | - | other taxonomic work | 363 |
| Euryleptinae Eurylepta Ehrenberg, 1831 | | - | other taxonomic work | 370 |
| Pseudocerotoidea Euryleptidae Stimpson, 1857 | [with synonyms] | w | other taxonomic work | 370 |
| Euryleptinae Prostheceraeus Schmarda, 1859 | | - | other taxonomic work | 373 |
| Euryleptinae Euryleptodes Heath & McGregor, 1913 | | - | other taxonomic work | 375 |
| Euryleptinae Stylostomum Lang, 1884 | [with synonyms] | - | other taxonomic work | 376 |
| Euryleptinae Acerotisa Strand, 1928 | | - | other taxonomic work | 378 |
| Cotylea Prosthiostomidae Lang, 1884 | | - | other taxonomic work | 382 |
| Prosthiostomidae Prosthiostomum Quatrefages, 1845 | | - | other taxonomic work | 382 |
| Euprosthiostomum molle (Freeman, 1930) | | - | other taxonomic work | 386 |
| Prosthiostomidae Enchiridium Bock, 1913 | | - | other taxonomic work | 386 |
| Interplana sandiegensis (Boone, 1929) | [with synonyms] | w | other taxonomic work | |
| Imogine exiguus (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Imogine exiguus (Hyman, 1953) | | w | latest taxonomic authority | |
| Imogine tripartitus (Hyman, 1953) | | w | primary taxonomic authority (describer) | |
| Imogine tripartitus (Hyman, 1953) | | w | latest taxonomic authority | |
| Plehniidae Paraplehnia Hyman, 1953 | | w | primary taxonomic authority (describer) | 279 |
| Cryptocelidinae Longiprostatum Hyman, 1953 | [with synonyms] | - | primary taxonomic authority (describer) | |
| Longiprostatum rickettsi Hyman, 1953 | [with synonyms] | - | primary taxonomic authority (describer) | |
| Phaenocelis mexicana Hyman, 1953 | | - | primary taxonomic authority (describer) | |