| antarctica | | nuttallochiton mirandus | species | 11 | 0 |
| australia | queensland | acanthopleura gaimardi | species | 1 | 0 |
| australia | victoria | plaxiphora albida | species | 1 | 0 |
| bermuda | | chiton tuberculatus | species | 1 | 0 |
| canada | | tonicella marmorea | species | 4 | 0 |
| canada | british columbia | cyanoplax dentiens | species | 4 | 0 |
| canada | british columbia | katharina tunicata | species | 3 | 0 |
| canada | british columbia | lepidochitona flectens | species | 3 | 0 |
| canada | british columbia | lepidozona interstincta | species | 11 | 0 |
| canada | british columbia | lepidozona radians | species | 4 | 0 |
| canada | british columbia | mopalia hindsii | species | 2 | 0 |
| canada | british columbia | mopalia imporcata | species | 1 | 0 |
| canada | british columbia | mopalia kennerleyi | species | 4 | 0 |
| canada | british columbia | mopalia lignosa | species | 8 | 0 |
| canada | british columbia | mopalia muscosa | species | 4 | 0 |
| canada | british columbia | mopalia phorminx | species | 1 | 0 |
| canada | british columbia | mopalia vespertina | species | 1 | 0 |
| canada | british columbia | tonicella lineata | species | 4 | 0 |
| canada | british columbia | tonicella undocaerulea | species | 4 | 0 |
| canada | manitoba | stenosemus albus | species | 1 | 0 |
| canada | manitoba | tonicella marmorea | species | 5 | 0 |
| canada | new brunswick | tonicella marmorea | species | 10 | 0 |
| canada | new brunswick | tonicella rubra | species | 1 | 0 |
| canada | newfoundland and labrador | stenosemus albus | species | 2 | 0 |
| canada | newfoundland and labrador | tonicella marmorea | species | 3 | 0 |
| canada | newfoundland and labrador | tonicella rubra | species | 3 | 0 |
| canada | nunavut | stenosemus albus | species | 4 | 0 |
| canada | nunavut | tonicella marmorea | species | 14 | 0 |
| chile | los rios region | chiton magnificus | species | 2 | 0 |
| china | zhejiang | acanthochitona rubrolineata | species | 1 | 0 |
| china | zhejiang | onithochiton hirasei | species | 1 | 0 |
| colombia | | lepidochitona bullocki | species | 2 | 0 |
| costa rica | limon province | acanthochitona rhodea | species | 1 | 0 |
| egypt | red sea governorate | acanthopleura brevispinosa | species | 29 | 0 |
| germany | lower saxony | lepidochitona cinerea | species | 4 | 0 |
| germany | schleswig-holstein | lepidochitona cinerea | species | 1 | 0 |
| japan | | liolophura japonica | species | 1 | 0 |
| japan | aomori prefecture | tonicella undocaerulea | species | 4 | 0 |
| japan | chiba prefecture | ischnochiton boninensis | species | 10 | 0 |
| japan | chiba prefecture | ischnochiton comptus | species | 10 | 0 |
| japan | ehime prefecture | liolophura japonica | species | 1 | 0 |
| japan | hokkaido prefecture | ischnochiton boninensis | species | 10 | 0 |
| japan | hokkaido prefecture | ischnochiton comptus | species | 10 | 0 |
| japan | hokkaido prefecture | mopalia seta | species | 399 | 0 |
| japan | kagoshima prefecture | ischnochiton boninensis | species | 10 | 0 |
| japan | kagoshima prefecture | ischnochiton manazuruensis | species | 10 | 0 |
| japan | kagoshima prefecture | stenoplax alata | species | 4 | 0 |
| japan | kanagawa prefecture | acanthochitona defilippi | species | 7 | 0 |
| japan | kanagawa prefecture | acanthochitona rubrolineata | species | 11 | 0 |
| japan | kanagawa prefecture | callistochiton jacobaeus | species | 5 | 0 |
| japan | kanagawa prefecture | chiton kurodai | species | 5 | 0 |
| japan | kanagawa prefecture | cryptoplax japonica | species | 4 | 0 |
| japan | kanagawa prefecture | ischnochiton boninensis | species | 36 | 0 |
| japan | kanagawa prefecture | ischnochiton comptus | species | 36 | 0 |
| japan | kanagawa prefecture | ischnochiton manazuruensis | species | 27 | 0 |
| japan | kanagawa prefecture | lepidozona coreanica | species | 5 | 0 |
| japan | miyagi ken prefecture | liolophura japonica | species | 1 | 0 |
| japan | okinawa prefecture | acanthopleura gemmata | species | 1 | 0 |
| japan | okinawa prefecture | acanthopleura loochooana | species | 1 | 0 |
| japan | okinawa prefecture | acanthopleura miles | species | 1 | 0 |
| japan | okinawa prefecture | acanthopleura spinosa | species | 1 | 0 |
| japan | okinawa prefecture | acanthopleura tenuispinosa | species | 1 | 0 |
| japan | shizuoka prefecture | ischnochiton boninensis | species | 10 | 0 |
| japan | shizuoka prefecture | ischnochiton comptus | species | 10 | 0 |
| japan | shizuoka prefecture | ischnochiton manazuruensis | species | 3 | 0 |
| japan | shizuoka prefecture | mopalia retifera | species | 4 | 0 |
| japan | wakayama prefecture | liolophura japonica | species | 1 | 0 |
| malaysia | pahang | acanthopleura gemmata | species | 6 | 0 |
| mexico | baja california | mopalia ciliata | species | 1 | 0 |
| mexico | baja california | mopalia muscosa | species | 1 | 0 |
| mexico | baja california | mopalia plumosa | species | 5 | 0 |
| mexico | baja california | mopalia porifera | species | 5 | 0 |
| mexico | baja california sur | chiton virgulatus | species | 17 | 0 |
| mexico | baja california sur | mopalia sp. scripps_m11413a | species | 1 | 0 |
| mexico | baja california sur | mopalia sp. scripps_m11413b | species | 1 | 0 |
| portugal | setubal district | acanthochitona crinita | species | 15 | 0 |
| portugal | setubal district | chaetopleura angulata | species | 3 | 0 |
| puerto rico | | lepidochitona liozonis | species | 1 | 0 |
| puerto rico | lajas | acanthochitona hemphilli | species | 4 | 0 |
| puerto rico | lajas | acanthochitona lineata | species | 2 | 0 |
| puerto rico | lajas | acanthochitona pygmaea | species | 1 | 0 |
| puerto rico | lajas | choneplax lata | species | 1 | 0 |
| puerto rico | lajas | cryptoconchus floridanus | species | 1 | 0 |
| puerto rico | lajas | stenoplax purpurascens | species | 3 | 0 |
| puerto rico | naguabo | lepidochitona liozonis | species | 2 | 0 |
| south africa | | acanthochitona garnoti | species | 187 | 0 |
| south korea | | liolophura japonica | species | 2 | 0 |
| spain | | acanthochitona crinita | species | 3 | 0 |
| spain | | lepidochitona cinerea | species | 3 | 0 |
| spain | cantabria | acanthochitona crinita | species | 2 | 0 |
| spain | galicia | acanthochitona crinita | species | 8 | 0 |
| united states | alaska | boreochiton beringensis | species | 1 | 0 |
| united states | alaska | cryptochiton stelleri | species | 1 | 0 |
| united states | alaska | katharina tunicata | species | 7 | 0 |
| united states | alaska | mopalia cirrata | species | 1 | 0 |
| united states | alaska | mopalia ferreirai | species | 13 | 0 |
| united states | alaska | mopalia kennerleyi | species | 9 | 0 |
| united states | alaska | mopalia lignosa | species | 1 | 0 |
| united states | alaska | mopalia sinuata | species | 2 | 0 |
| united states | alaska | mopalia swanii | species | 1 | 0 |
| united states | alaska | schizoplax brandtii | species | 17 | 0 |
| united states | alaska | tonicella insignis | species | 1 | 0 |
| united states | alaska | tonicella lineata | species | 11 | 0 |
| united states | california | cryptochiton stelleri | species | 1 | 0 |
| united states | california | dendrochiton flectens | species | 5 | 0 |
| united states | california | dendrochiton thamnoporus | species | 6 | 0 |
| united states | california | katharina tunicata | species | 11 | 0 |
| united states | california | mopalia acuta | species | 6 | 0 |
| united states | california | mopalia ciliata | species | 4 | 0 |
| united states | california | mopalia cirrata | species | 1 | 0 |
| united states | california | mopalia ferreirai | species | 7 | 0 |
| united states | california | mopalia hindsii | species | 7 | 0 |
| united states | california | mopalia imporcata | species | 6 | 0 |
| united states | california | mopalia kennerleyi | species | 2 | 0 |
| united states | california | mopalia lignosa | species | 7 | 0 |
| united states | california | mopalia lionota | species | 8 | 0 |
| united states | california | mopalia lowei | species | 5 | 0 |
| united states | california | mopalia muscosa | species | 5 | 0 |
| united states | california | mopalia phorminx | species | 1 | 0 |
| united states | california | mopalia plumosa | species | 10 | 0 |
| united states | california | mopalia porifera | species | 2 | 0 |
| united states | california | mopalia sinuata | species | 4 | 0 |
| united states | california | mopalia spectabilis | species | 2 | 0 |
| united states | california | mopalia vespertina | species | 2 | 0 |
| united states | california | placiphorella velata | species | 3 | 0 |
| united states | california | stenoplax conspicua | species | 2 | 0 |
| united states | florida | acanthopleura granulata | species | 2 | 0 |
| united states | florida | chaetopleura apiculata | species | 1 | 0 |
| united states | florida | lepidochitona sp. cigr-2014 | species | 3 | 0 |
| united states | florida | stenoplax floridana | species | 2 | 0 |
| united states | hawaii | acanthochitona achates | species | 22 | 0 |
| united states | hawaii | acanthochitona rubrolineata | species | 2 | 0 |
| united states | oregon | acanthochitona achates | species | 1 | 0 |
| united states | oregon | acanthochitona rubrolineata | species | 1 | 0 |
| united states | oregon | katharina tunicata | species | 61 | 0 |
| united states | oregon | mopalia seta | species | 7 | 0 |
| united states | virginia | chaetopleura apiculata | species | 12 | 0 |
| united states | washington | mopalia imporcata | species | 3 | 0 |
| united states | washington | mopalia kennerleyi | species | 6 | 0 |
| united states | washington | mopalia lignosa | species | 1 | 0 |
| united states | washington | mopalia seta | species | 2 | 0 |
| united states | washington | mopalia sinuata | species | 2 | 0 |
| united states | washington | mopalia spectabilis | species | 2 | 0 |
| united states | washington | mopalia swanii | species | 10 | 0 |
| united states | washington | mopalia vespertina | species | 2 | 0 |
| united states | washington | tonicella lineata | species | 3 | 0 |
| united states | washington | tonicella undocaerulea | species | 1 | 0 |