| Species | Pachyscelus abnitidus Kerremans, 1903
| | |
| Species | Pachyscelus acutus Kerremans, 1896
| | |
| Species | Pachyscelus aeneicollis Kirsch, 1873
| | |
| Species | Pachyscelus aeneus Kerremans, 1896
| | |
| Species | Pachyscelus affinis Waterhouse, 1889
| | |
| Species | Pachyscelus afflictus Obenberger, 1932
| | |
| Species | Pachyscelus alatus Kerremans, 1899
| | |
| Species | Pachyscelus albofasciatus Fisher, 1922
| | |
| Species | Pachyscelus albopictus Kerremans, 1894
| | |
| Species | Pachyscelus alutacellus Obenberger, 1940
| | |
| Species | Pachyscelus alvarengai Cobos, 1967
| | |
| Species | Pachyscelus amatus Obenberger, 1925
| | |
| Species | Pachyscelus amazonarum Obenberger, 1925
| | |
| Species | Pachyscelus anniae Obenberger, 1925
| | |
| Species | Pachyscelus anthracinus Obenberger, 1925
| | |
| Species | Pachyscelus ardens Waterhouse, 1889
| | |
| Species | Pachyscelus argenteocinctus Obenberger, 1925
| | |
| Species | Pachyscelus arlequin Cobos, 1978
| | |
| Species | Pachyscelus atratus Kerremans, 1896
| | |
| Species | Pachyscelus auricollis Kerremans, 1896
| | |
| Species | Pachyscelus aurithorax Obenberger, 1932
| | |
| Species | Pachyscelus austerus Kirsch, 1873
| | |
| Species | Pachyscelus aversus Waterhouse, 1889
| | |
| Species | Pachyscelus basalis Kerremans, 1896
| | |
| Species | Pachyscelus bedeli Obenberger, 1921
| | |
| Species | Pachyscelus beniensis Fisher, 1925
| | |
| Species | Pachyscelus bifasciatus Waterhouse, 1889
| | |
| Species | Pachyscelus bifoveolatus Cobos, 1967
| | |
| Species | Pachyscelus biguttatus Waterhouse, 1889
| | |
| Species | Pachyscelus binderi Obenberger, 1925
| | |
| Species | Pachyscelus bolivianus Obenberger, 1925
| | |
| Species | Pachyscelus bonadonai Cobos, 1956
| | |
| Species | Pachyscelus bordoni Cobos, 1967
| | |
| Species | Pachyscelus bourgoini Obenberger, 1925
| | |
| Species | Pachyscelus brancuccii Bílý, 1983
| | |
| Species | Pachyscelus brevis Kirsch, 1873
| | |
| Species | Pachyscelus bucki Cobos, 1956
| | |
| Species | Pachyscelus buenavistae Obenberger, 1932
| | |
| Species | Pachyscelus calamuchitae Obenberger, 1947
| | |
| Species | Pachyscelus capitatus Kerremans, 1903
| | |
| Species | Pachyscelus catharinensis Obenberger, 1940
| | |
| Species | Pachyscelus cavinas Fisher, 1925 Jacknife spider crab | | |
| Species | Pachyscelus chrysocephalus Kerremans, 1896
| | |
| Species | Pachyscelus circularis Kerremans, 1899
| | |
| Species | Pachyscelus circumdatus Kerremans, 1897
| | |
| Species | Pachyscelus circumnigrus Cobos, 1972
| | |
| Species | Pachyscelus clarus Kerremans, 1897
| | |
| Species | Pachyscelus cobosi Bellamy, 1996
| | |
| Species | Pachyscelus coelestis Kerremans, 1896 Spined kelp crab | | |
| Species | Pachyscelus coeruleipennis Kerremans, 1897
| | |
| Species | Pachyscelus coeruleus Gory, 1841 Graceful kelp crab | | |
| Species | Pachyscelus collaris Gory & Laporte, 1840
| | |
| Species | Pachyscelus columbi Obenberger, 1925
| | |
| Species | Pachyscelus communis Waterhouse, 1889
| | |
| Species | Pachyscelus confinis Kerremans, 1899
| | |
| Species | Pachyscelus confusus Wellso & Manley in Wellso, & al., 1976
| | |
| Species | Pachyscelus congener Kerremans, 1899
| | |
| Species | Pachyscelus connectens Obenberger, 1932
| | |
| Species | Pachyscelus consobrinus Thomson, 1879
| | |
| Species | Pachyscelus coomani Théry, 1936
| | |
| Species | Pachyscelus corax Obenberger, 1925
| | |
| Species | Pachyscelus cordiformis Kerremans, 1896
| | |
| Species | Pachyscelus corruscus Gory, 1841
| | |
| Species | Pachyscelus crotonis Obenberger, 1960 Cryptic kelp crab | | |
| Species | Pachyscelus cupreotinctus Cobos, 1956
| | |
| Species | Pachyscelus cupricauda Fisher, 1922
| | |
| Species | Pachyscelus cyanellus Gory & Laporte, 1840 Venice kelp crab | | |
| Species | Pachyscelus cyaneonitens Cobos, 1956
| | |
| Species | Pachyscelus cyanimargo Obenberger, 1925
| | |
| Species | Pachyscelus davidi Obenberger, 1932 Longnose spider crab | | |
| Species | Pachyscelus debilis Kerremans, 1903 Seagrass spider crab | | |
| Species | Pachyscelus deplanatus Chevrolat, 1838 Portly spider crab | | |
| Species | Pachyscelus descarpentriesi Cobos, 1956
| | |
| Species | Pachyscelus devians Obenberger, 1925
| | |
| Species | Pachyscelus dichrous Obenberger, 1925
| | |
| Species | Pachyscelus dilatipennis Cobos, 1978
| | |
| Species | Pachyscelus diversus Waterhouse, 1889
| | |
| Species | Pachyscelus dohrni Kerremans, 1900
| | |
| Species | Pachyscelus dubius Waterhouse, 1889
| | |
| Species | Pachyscelus elegans Waterhouse, 1889
| | |
| Species | Pachyscelus erichsoni Saunders, 1871
| | |
| Species | Pachyscelus exiguus Fabricius, 1801
| | |
| Species | Pachyscelus expansus Kerremans, 1896
| | |
| Species | Pachyscelus famulus Kerremans, 1899
| | |
| Species | Pachyscelus fasciatus Gory, 1841
| | |
| Species | Pachyscelus fastidiosus Cobos, 1956 Crevice spider crab | | |
| Species | Pachyscelus fastigiatus Fabricius, 1801
| | |
| Species | Pachyscelus faustus Obenberger, 1925
| | |
| Species | Pachyscelus fernandezyepezi Cobos, 1959
| | |
| Species | Pachyscelus fisheri Vogt, 1949
| | |
| Species | Pachyscelus flammeolus Obenberger, 1940 Moss crab | | |
| Species | Pachyscelus flexuosus Kerremans, 1897 Sheep crab | | |
| Species | Pachyscelus foliaceus Motschulsky, 1859
| | |
| Species | Pachyscelus foliivorus Obenberger, 1940
| | |
| Species | Pachyscelus fraterculus Obenberger, 1925
| | |
| Species | Pachyscelus freudei Cobos, 1969
| | |
| Species | Pachyscelus frosti Fisher, 1930
| | |
| Species | Pachyscelus fulgens Waterhouse, 1889
| | |
| Species | Pachyscelus fulgidipennis Lucas, 1858
| | |
| Species | Pachyscelus gemellus Kerremans, 1899
| | |
| Species | Pachyscelus geraensis Obenberger, 1932
| | |
| Species | Pachyscelus golbachi Cobos, 1959
| | |
| Species | Pachyscelus granulosicollis Waterhouse, 1889
| | |
| Species | Pachyscelus grassator Obenberger, 1925
| | |
| Species | Pachyscelus gratus Kerremans, 1899
| | |
| Species | Pachyscelus hansi Obenberger, 1925
| | |
| Species | Pachyscelus hexagonalis Kerremans, 1903
| | |
| Species | Pachyscelus horni Obenberger, 1939
| | |
| Species | Pachyscelus huallagus Cobos, 1969
| | |
| Species | Pachyscelus humeralis Kerremans, 1896 Inflated spiny crab | | |
| Species | Pachyscelus humerosus Obenberger, 1925
| | |
| Species | Pachyscelus igneoapicalis Cobos, 1967
| | |
| Species | Pachyscelus ignicollis Obenberger, 1925
| | |
| Species | Pachyscelus inca Kerremans, 1899
| | |
| Species | Pachyscelus incertus Waterhouse, 1889
| | |
| Species | Pachyscelus indigaceus Kerremans, 1897
| | |
| Species | Pachyscelus ineditus Kerremans, 1896
| | |
| Species | Pachyscelus infidelis Obenberger, 1925
| | |
| Species | Pachyscelus interioris Obenberger, 1925
| | |
| Species | Pachyscelus iris Obenberger, 1925
| | |
| Species | Pachyscelus irroratus Waterhouse, 1889 Quillback spiny crab | | |
| Species | Pachyscelus jakobsoni Obenberger, 1932
| | |
| Species | Pachyscelus jenningsi Fisher, 1922
| | |
| Species | Pachyscelus jucundus Kirsch, 1873
| | |
| Species | Pachyscelus kaszabi Apt, 1954
| | |
| Species | Pachyscelus kerremansi Obenberger, 1925
| | |
| Species | Pachyscelus kheili Obenberger, 1925
| | |
| Species | Pachyscelus kubesi Obenberger, 1925
| | |
| Species | Pachyscelus laevigatus Say, 1833
| | |
| Species | Pachyscelus laticeps Waterhouse, 1889
| | |
| Species | Pachyscelus levis Kerremans, 1896
| | |
| Species | Pachyscelus lineifrons Obenberger, 1925
| | |
| Species | Pachyscelus littoreus Obenberger, 1925
| | |
| Species | Pachyscelus loretanus Obenberger, 1932
| | |
| Species | Pachyscelus lucidulus Fabricius, 1801
| | |
| Species | Pachyscelus luctosus Lucas, 1859
| | |
| Species | Pachyscelus maculatus Laporte & Gory, 1840 Thorned spiny crab | | |
| Species | Pachyscelus maculifer Obenberger, 1925
| | |
| Species | Pachyscelus magdalenae Obenberger, 1925 Knobbed spiny crab | | |
| Species | Pachyscelus mandarinus Théry, 1936
| | |
| Species | Pachyscelus marginicollis Gory, 1841
| | |
| Species | Pachyscelus martinezi Cobos, 1958
| | |
| Species | Pachyscelus melas Deyrolle, 1864
| | |
| Species | Pachyscelus meridionalis Obenberger, 1925
| | |
| Species | Pachyscelus mexicanus Fisher, 1922
| | |
| Species | Pachyscelus migneauxii Deyrolle, 1864
| | |
| Species | Pachyscelus mimus Obenberger, 1925
| | |
| Species | Pachyscelus minans Obenberger, 1940
| | |
| Species | Pachyscelus minator Obenberger, 1932
| | |
| Species | Pachyscelus minimus Lucas, 1858
| | |
| Species | Pachyscelus modicus Kerremans, 1899
| | |
| Species | Pachyscelus mrazi Obenberger, 1925
| | |
| Species | Pachyscelus nemoralis Obenberger, 1925
| | |
| Species | Pachyscelus nicki Cobos, 1958
| | |
| Species | Pachyscelus nicolayi Obenberger, 1925
| | |
| Species | Pachyscelus nigricollis Waterhouse, 1889
| | |
| Species | Pachyscelus nigriventris Fisher, 1925
| | |
| Species | Pachyscelus nitidus Kerremans, 1903
| | |
| Species | Pachyscelus nodifer Kerremans, 1896
| | |
| Species | Pachyscelus nonfriedi Obenberger, 1925
| | |
| Species | Pachyscelus novus Kerremans, 1897
| | |
| Species | Pachyscelus nudus Fisher, 1925
| | |
| Species | Pachyscelus obenbergeri Apt, 1954
| | |
| Species | Pachyscelus obscurellus Kerremans, 1896
| | |
| Species | Pachyscelus obsoletepilosus Fisher, 1922
| | |
| Species | Pachyscelus occidentalis Kerremans, 1899
| | |
| Species | Pachyscelus octodon Obenberger, 1925
| | |
| Species | Pachyscelus ogloblini Obenberger, 1932
| | |
| Species | Pachyscelus ophthalmicus Cobos, 1978
| | |
| Species | Pachyscelus orientalis Obenberger, 1924
| | |
| Species | Pachyscelus ornatus Lucas, 1859
| | |
| Species | Pachyscelus pamparum Obenberger, 1925
| | |
| Species | Pachyscelus panamensis Fisher, 1922
| | |
| Species | Pachyscelus paraarcuatus Cobos, 1978
| | |
| Species | Pachyscelus paramimus Obenberger, 1932
| | |
| Species | Pachyscelus paranaensis Obenberger, 1932
| | |
| Species | Pachyscelus paulensis Obenberger, 1925
| | |
| Species | Pachyscelus peruvianus Kerremans, 1899
| | |
| Species | Pachyscelus piceolus Obenberger, 1925
| | |
| Species | Pachyscelus pici Obenberger, 1925
| | |
| Species | Pachyscelus pictus Kerremans, 1896
| | |
| Species | Pachyscelus pittieri Fisher, 1930
| | |
| Species | Pachyscelus planatus Kerremans, 1903
| | |
| Species | Pachyscelus planus Kerremans, 1899
| | |
| Species | Pachyscelus plaumanni Obenberger, 1940
| | |
| Species | Pachyscelus problematicus Cobos, 1959
| | |
| Species | Pachyscelus prodigiosus Obenberger, 1925
| | |
| Species | Pachyscelus proximulus Obenberger, 1925
| | |
| Species | Pachyscelus proximus Kerremans, 1897
| | |
| Species | Pachyscelus psychotriae Fisher, 1931
| | |
| Species | Pachyscelus pubicollis Waterhouse, 1889
| | |
| Species | Pachyscelus pulchellus Fabricius, 1801
| | |
| Species | Pachyscelus pulcher Obenberger, 1925
| | |
| Species | Pachyscelus pulicarius Gory, 1841
| | |
| Species | Pachyscelus pulverulentus Kerremans, 1896
| | |
| Species | Pachyscelus puniceus Hespenheide, 1990
| | |
| Species | Pachyscelus purpureipennis Waterhouse, 1889
| | |
| Species | Pachyscelus purpureus Say, 1833
| | |
| Species | Pachyscelus pusillus Fabricius, 1798
| | |
| Species | Pachyscelus pygmaeus DeGeer, 1774
| | |
| Species | Pachyscelus quadripunctatus Cobos, 1959
| | |
| Species | Pachyscelus rambouseki Obenberger, 1925
| | |
| Species | Pachyscelus rarus Obenberger, 1925
| | |
| Species | Pachyscelus rectipleuris Obenberger, 1925
| | |
| Species | Pachyscelus reflexus Kerremans, 1903
| | |
| Species | Pachyscelus repentinus Thomson, 1879
| | |
| Species | Pachyscelus rotundatus Kerremans, 1889
| | |
| Species | Pachyscelus roubali Obenberger, 1913
| | |
| Species | Pachyscelus schenklingi Obenberger, 1925
| | |
| Species | Pachyscelus schmidtianus Cobos, 1961
| | |
| Species | Pachyscelus schwarzti Kerremans, 1892
| | |
| Species | Pachyscelus scintillans Kerremans, 1896
| | |
| Species | Pachyscelus secedens Waterhouse, 1889
| | |
| Species | Pachyscelus sedai Obenberger, 1925
| | |
| Species | Pachyscelus signatus Waterhouse, 1889
| | |
| Species | Pachyscelus silvicolus Obenberger, 1925
| | |
| Species | Pachyscelus similans Obenberger, 1925
| | |
| Species | Pachyscelus simplex Kerremans, 1896
| | |
| Species | Pachyscelus sinicus Obenberger, 1940
| | |
| Species | Pachyscelus skrlandti Obenberger, 1925
| | |
| Species | Pachyscelus skrlandtianus Obenberger, 1934
| | |
| Species | Pachyscelus solarii Théry, 1923
| | |
| Species | Pachyscelus solitarius Kerremans, 1894
| | |
| Species | Pachyscelus splendens Motschulsky, 1859
| | |
| Species | Pachyscelus steinbachi Obenberger, 1932
| | |
| Species | Pachyscelus sticticus Waterhouse, 1889
| | |
| Species | Pachyscelus strandi Obenberger, 1925
| | |
| Species | Pachyscelus strandiellus Obenberger, 1932
| | |
| Species | Pachyscelus subatratus Cobos, 1990
| | |
| Species | Pachyscelus subcyaneus Motschulsky, 1859
| | |
| Species | Pachyscelus sublatus Obenberger, 1925
| | |
| Species | Pachyscelus subopacus Fisher, 1922
| | |
| Species | Pachyscelus subtilis Obenberger, 1925
| | |
| Species | Pachyscelus subundulatus Kerremans, 1896
| | |
| Species | Pachyscelus sulcifrons Fisher, 1922
| | |
| Species | Pachyscelus sumatraensis Fisher, 1926
| | |
| Species | Pachyscelus superbus Cobos, 1967
| | |
| Species | Pachyscelus takanus Fisher, 1925
| | |
| Species | Pachyscelus tarsalis Obenberger, 1925
| | |
| Species | Pachyscelus terminans Fabricius, 1801
| | |
| Species | Pachyscelus tinctipennis Obenberger, 1925
| | |
| Species | Pachyscelus tonkinensis Théry, 1936
| | |
| Species | Pachyscelus transversus Kerremans, 1896
| | |
| Species | Pachyscelus trapezoidalis Waterhouse, 1889
| | |
| Species | Pachyscelus trifasciatus Thomson, 1879
| | |
| Species | Pachyscelus truncatus Kerremans, 1896
| | |
| Species | Pachyscelus uhmanni Obenberger, 1939
| | |
| Species | Pachyscelus undatus Obenberger, 1925
| | |
| Species | Pachyscelus undularius Burmeister, 1872
| | |
| Species | Pachyscelus undulatus Waterhouse, 1889
| | |
| Species | Pachyscelus unguicularis Obenberger, 1925
| | |
| Species | Pachyscelus unicolor Fisher, 1922
| | |
| Species | Pachyscelus unifasciatus Fisher, 1922
| | |
| Species | Pachyscelus urvilleae Kogan, 1964
| | |
| Species | Pachyscelus valentinorum Hespenheide & Bellamy, 2004
| | |
| Species | Pachyscelus valerio Fisher, 1933
| | |
| Species | Pachyscelus valkai Obenberger, 1925
| | |
| Species | Pachyscelus vanrooni Obenberger, 1923
| | |
| Species | Pachyscelus vezenyii Apt, 1954
| | |
| Species | Pachyscelus vicinellus Obenberger, 1940
| | |
| Species | Pachyscelus vicinus Kerremans, 1903
| | |
| Species | Pachyscelus violaceotinctus Cobos, 1959
| | |
| Species | Pachyscelus violaceus Gory & Laporte, 1840
| | |
| Species | Pachyscelus virens Kirsch, 1873 Red arrow crab | | |
| Species | Pachyscelus viridanus Thomson, 1878
| | |
| Species | Pachyscelus viridescens Kirsch, 1873 Stilt spider crab | | |
| Species | Pachyscelus viridicollis Gory, 1841
| | |
| Species | Pachyscelus viridulus Kirsch, 1873 Needlenose pear crab | | |
| Species | Pachyscelus vogti Hespenheide, 2003 Dartnose pear crab | | |
| Species | Pachyscelus weyersi Kerremans, 1900
| | |
| Species | Pachyscelus weyrauchi Cobos, 1969
| | |
| Species | Pachyscelus winteri Obenberger, 1925 Tuberculate pear crab | | |