- Actaea calculosa, Facetted Crab;Euxanthus tuberculosa Miers, 1884;Actaea granulata laevis Guinot, 1976 nomen nudum;Cancer calculosa H Milne Edwards, 1834
- Actumnus setifer, Short-haired Crab;Actumnus tomentosus Dana, 1852;Cancer setifer De Haan, 1835
- Albuneidae, Surf mole crabs
- Ashtoret granulosa, Armed Crab;Matuta granulosa Miers, 1877
- Australoplax tridentata, Furry-clawed Crab, Tuxedo Crab;Cleistostoma tridentatum A Milne Edwards, 1873;Metaplax hirsutimana Grant and McCulloch, 1906
- Austrodromidia australis, Southern Sponge Crab;Dromidia australis Rathbun, 1923
- Bellidilia laevis, Smooth Pebble Crab;Philyra laevis Bell, 1855
- Bellidilia undecimspinosa, Large Pebble Crab;Philyra murrayensis Rathbun, 1923;Phlyxia orbicularis Haswell, 1879
- Birgus latro, Coconut Crab;Robber Crab;Cancer puru Curtiss, 1938;Cancer latro Linnaeus, 1767
- Brachynotus spinosus, Little Shore Crab;Heterograpsus spinosus H Milne Edwards, 1853
- Calappa calappa, Giant Box Crab;Cancer calappoides Rumphius, 1741;Cancer cerratonis Curtis, 1944;Cancer flosculus Seba, 1759;Cancer fornicatus Fabricius, 1781;Cancer heracleoticus Seba, 1759;Cancer calappa Linnaeus, 1758
- Calappa hepatica, Reef Box Crab;Calappa spinosissima H Milne Edwards, 1837;Calappe sandwichien Eydoux and Souleyet, 1842;Cancer afata Curtiss, 1938;Cancer tuberculatus Herbst, 1785;Cancer hepatica Linnaeus, 1758
- Calappa japonica, Japanese Box Crab
- Calappa lophos, Red-streaked Box Crab;Cancer lophos Herbst, 1785
- Calappa philargius, Red-spotted Box Crab;Spectacled Box Crab;Calappa cristata Fabricius, 1798;Cancer inconspectus Herbst, 1794;Cancer philargius Linnaeus, 1758
- Calappa woodmasoni, Little Crested Crab;Calappa alata Rathbun, 1911;Calappa depressa Miers, 1886
- Calappidae, Gladiator box crab
- Cancellus typus, Miner Hermit Crab;Gryllopagurus lithodomus Zietz, 1888
- Carcinus maenas, European Green Crab;Shore Crab;European Shore Crab;Cancer granarius Herbst, 1783;Cancer granulatus Say, 1817;Cancer marinus sulcatus Rumphius, 1705;Cancer pygmaeus Fabricius, 1787;Cancer rhomboidalis Montagu, 1804;Cancer viridis Herbst, 1783;Megalopa montagui Leach, 1817;Monoculus taurus Slabber, 1778;Portunus carcinoides Kinahan, 1857;Portunus menoides Rafinesque-Schmaltz, 1817;Cancer maenas Linnaeus, 1758
- Ceratocarcinus longimanus, Gouty Crab;Ceratocarcinus dilatatus A Milne Edwards, 1872;Ceratocarcinus intermedius Zehntner, 1894;Ceratocarcinus speciosus Dana, 1851
- Chaceon albus, Crystal Crab;Snow Crab
- Chaenostoma punctulatus, Smooth Sentinel Crab;Macrophthalmus punctulatus Miers, 1884
- Choniognathus granulosa, Granulate Spider Crab;Eurynome granulosa Baker, 1906
- Coenobitidae, Land hermit crabs
- Cryptocoeloma haswelli, False-fronted Crab
- Cyrtomaia maccullochi, Slender-handed Spider Crab
- Dagnaudus petterdi, Antlered Crab;Latreillopsis petterdi Grant, 1905
- Daldorfia excavata, Eroded Crab;Thyrolambrus excavatus Baker, 1905
- Dardanus arrosor, Striated Hermit Crab;Aniculus chiltoni Thompson, 1930;Pagurus incisus Olivier, 1811;Pagurus striatus H Milne Edwards, 1836;Pagurus strigatus Bosc, 1802;Cancer arrosor Herbst, 1796
- Dardanus megistos, Spotted Hermit Crab;Pagurus punctulatus Olivier, 1811;Pagurus spinimanus H Milne Edwards, 1848;Cancer megistos Herbst, 1804
- Diogenidae, Left-handed hermit crabs;Orangeclaw hermit
- Dorippidae, Leaf porter crabs;Stalkeye sumo crab
- Dromiidae, Redeye sponge crab
- Dumea latipes, Velvet Crab;Paratymolus latipes quadridentata Baker, 1906;Paratymolus latipes Haswell, 1880
- Ebalia intermedia, Smooth Nut Crab
- Ephippias endeavouri, Endeavour Crab
- Eriocheir sinensis, Chinese Mitten Crab
- Eriphia sebana, Red-eyed Rock Crab;Cancer tearlachi Curtiss, 1938;Eriphia fordii MacLeay, 1838;Eriphia laevimana Guérin-Méneville, 1829;Eriphia trapeziformis Hess, 1865;Gecarcinus anisocheles Latreille, 1818;Cancer sebana Shaw and Nodder, 1803
- Fultodromia nodipes, Warty Sponge Crab;Cryptodromia depressa Baker, 1907;Dromidiopsis michaelseni Balss, 1935;Dromia nodipes Guérin-Méneville, 1832
- Gecarcinidae, Blue land crab
- Gecarcinus quadratus, Halloween crab;Moon crab;Mouthless crab;Harlequin land crab
- Gomeza bicornis, Masked Burrowing Crab;Corystes vigintispinosa De Haan, 1833
- Grapsidae, Mangrove tree crab
- Grapsus grapsus, Sally lightfoot crab
- Griffinia lappacea, Burr Crab;Antilibinia lappacea Rathbun, 1918
- Haledromia bicavernosa, Eared Sponge Crab;Dromia bicavernosa Zietz, 1888
- Heloecius cordiformis, Semaphore Crab;Heloecius areolatus Heller, 1862;Heloecius inornatus Dana, 1851;Heloecius signatus Hess, 1865;Gelasimus cordiformis H Milne Edwards, 1837
- Helograpsus haswellianus, Haswell's Shore Crab;Chasmagnathus convexus Haswell, 1981;Chasmagnathus haswellianus Whitelegge, 1889
- Hemigrapsus sanguineus, Asian shore crab, Japanese shore crab
- Heteropilumnus fimbriatus, Bearded Crab;Pilumnus pilosus Fulton and Grant, 1906;Pilumnus fimbriatus H Milne Edwards, 1834
- Hippa adactyla, Turtle Crab;Remipes denticulatifrons White, 1847;Remipes testudinarius Latreille, 1806;Remipes testudinarius denticulatifrons Miers, 1878
- Hippa australis, Mole Crab;Sand Crab;Hippa australe Hale, 1927
- Hippa celaeno, Sand Crab;Remipes celaeno de Man, 1896
- Hippa pacifica, Pacific Mole Crab;Pacific Sand Crab;Remipes pacifica Dana, 1852
- Hippidae, Atlantic sand crabs
- Hymenosomatidae, Coral spider crabs
- Hypothalassia armata, Champagne Crab Fao;Deepwater Spiny Crab;Cancer armatus De Haan, 1833
- Kiwa hirsuta, Yeti crab
- Leptograpsodes octodentatus, Burrowing Shore Crab;Grapsus inornatus Hess, 1865;Leptograpsodes webhaysi Montgomery, 1931;Cyclograpsus octodentatus H Milne Edwards, 1837
- Leptomithrax gaimardii, Great Spider Crab;Leptomithrax australiensis Miers, 1876;Leptomithrax spinulosus Haswell, 1880;Paramithrax gaimardii Milne Edwards, 1834
- Leptomithrax globifer, Swollen Spider Crab
- Leucosia anatum, Painted Pebble Crab;Leucosia australiensis Miers, 1886;Leucosia longifrons De Haan, 1841;Leucosia neocaledonica A Milne Edwards, 1874;Leucosia ornata Miers, 1877;Leucosia polita Hess, 1865;Leucosia pulcherrima Miers, 1877;Leucosia splendida Haswell, 1879;Cancer anatum Herbst, 1783
- Leucosiidae, Spurfinger purse crabs
- Lissocarcinus orbicularis, Harlequin Crab;Lissocarcinus pulchellus Müller, 1887
- Lithodidae, Stone crabs;King crabs
- Litocheira bispinosa, Two-spined Slender-clawed Crab;Brachygrapsus laevis Kingsley, 1880;Melia brevipes Haswell, 1881
- Lomis hirta, Hairy Stone Crab;Porcellana hirta Lamarck, 1818
| - Lophopagurus nanus, Dwarf Hermit Crab;Eupagurus lacertosus nana Henderson, 1888
- Lyreidus tridentatus, Frog Crab;Lyreidus australiensis Ward, 1933;Lyreidus elongatus Miers, 1879;Lyreidus fossor Bennett, 1964
- Majidae, Velcro crabs;Sea toads;Decorator crabs
- Malus baccata, Siberian Crab;Siberian crab apple
- Malus floribunda, Japanese Crab;Japanese flowering crab apple
- Malus hupehensis, Hupeh Crab;Chinese crab apple
- Malus spectabilis, Chinese Crab;Asiatic Apple
- Malus toringo, Siebolds Crab;Malus sieboldii;Toringo Crab;Malus sieboldii (Regel) Rehder;Pyrus sieboldii Regel
- Matuta planipes, Flower Moon Crab;Reticulated Surf Crab;Cancer americanus Seba, 1758;Matuta appendiculata Bosc, 1830;Matuta flagra Shen, 1936;Matuta laevidactyla Miers, 1880;Matuta lineifera Miers, 1877;Matuta rubrolineata Miers, 1877
- Matuta victor, Common Moon Crab;Surf Crab;Matuta lesueurii Leach, 1817;Matuta peronii Leach, 1817;Matuta victrix crebrepunctata Miers, 1877;Cancer victor Fabricius, 1781
- Matutidae, Moon crabs
- Megametope rotundifrons, Smooth Forehead Crab;Xantho rotundifrons H Milne Edwards, 1834
- Menippidae, Stone crabs;Red eyed reed crabs
- Metacarcinus novaezelandiae, Pie-crust Crab;Platycarcinus novaezelandiae Jacquinot, 1846
- Micippa spinosa, Spiny Flat-beaked Crab;Paramicippe affinis Miers, 1879
- Naxia aries, Ramshorn Crab;Halimus gracilis Baker, 1905;Halimus aries Guérin-Méneville, 1834
- Naxia tumida, Little Seaweed Crab;Halimus tumidus Dana, 1852
- Nectocarcinus integrifrons, Rough Rock Crab;Nectocarcinus melanodactylus A Milne Edwards, 1860;Portunus integrifrons Latreille, 1825
- Nectocarcinus tuberculosus, Rough Rock Crab
- Ocypode ceratophthalma, Horn-eyed Ghost Crab;Cancer ceratophthalmus Pallas, 1772;Cancer francisci Curtiss, 1938;Ocypoda macleayana Hess, 1865;Ocypode urvillei Guerin, 1829
- Ocypode cordimanus, Smooth-handed Ghost Crab;Cancer robertii Curtiss, 1938
- Ocypodidae, Fiddler crabs;Atlantic ghost crabs;Soldier crabs;Sand bubbler crabs;Mud feeder crabs;Dotillidae
- Oncinopus aranea, Thin-shelled Spider Crab;Inachus aranea De Haan, 1839
- Ostracotheres holothuriensis, Striped Sea Crab;Pinnotheres holothuriensis Baker, 1907
- Ostracotheres subglobosus, Swollen Pea Crab;Ostracotheres subquadratus Sakai, 1939;Pinnotheres subglobosus Baker, 1907
- Ovalipes australiensis, Sand Crab;Sandy
- Ozius truncatus, Reef Crab
- Paguridae, Right-handed hermit crabs
- Paguristes brevirostris, Southern Hermit Crab
- Paguristes frontalis, Common Hermit Crab;Pagurus frontalis H Milne Edwards, 1836
- Paguristes sulcatus, Hairy-legged Hermit Crab
- Paguristes tuberculatus, Friendly Hermit Crab
- Palicidae, Antillian stilt crab
- Parapaguridae, Deepwater hermit crabs
- Perinia tumida, Little Seaweed Crab;Parathoe rotundata Miers, 1879
- Petalostigma quadriloculare, Bitter Crab;Petalostigma humile WFitzg;Petalostigma humilis orth var WFitzg sensu Fitzgerald, WV 1918;Petalostigma haplocladum Pax & KHoffm;Hylococcus sericeus RBr ex TLMitch;Xylococcus sericeus orth var Britten & SMoore sensu Britten, J & Moore, S le M 1903;Petalostigma micrandrum Domin
- Petrocheles australiensis, Spiny Porcelain Crab;Petrolisthes australiensis Miers, 1876
- Pilumnidae, Hairy crabs;Pebble crabs
- Pilumnopeus serratifrons, Smooth-handed Crab;Heteropanope australiensis Stimpson, 1858;Pilumnopeus crassimanus A Milne Edwards, 1867;Ozius serratifrons Kinahan, 1856
- Pilumnus fissifrons, Tasselled Crab
- Pilumnus kingstoni, Downy Crab;Actumnus kingstoni Rathbun, 1923
- Pilumnus semilanatus, Ragged Crab
- Pinnotheres hickmani, Pea Crabs;Fabia hickmani Guiler, 1950
- Pisidia dispar, Little Porcelain Crab;Porcellana rostrata Baker, 1905;Porcellana dispar Stimpson, 1858
- Plagusia chabrus, Cleft-fronted Shore Crab;Grapsus capensis De Haan, 1835;Plagusia gaimardii H Milne Edwards, 1853;Plagusia spinosa MacLeay, 1838;Plagusia tomentosa H Milne Edwards, 1837;Cancer chabrus Linnaeus, 1758
- Platymaia wyvillethomsoni, Three-spined Spider Crab
- Polyonyx transversus, Polished Porcelain Crab;Porcellana transversa Haswell, 1882
- Porcellanidae, Porcelain crabs
- Portunidae, Swimming crabs;Flower crabs;Mud crabs;Carcinidae
- Portunus armatus, Australian Blue Swimmer Crab;Australian Sand Crab;Neptunus armatus A Milne-Edwards, 1861
- Portunus pelagicus, Asian Blue Swimming Crab;Asian Sand Crab;Cancer cedonulli Herbst, 1794;Portunus denticulatus Marion de Procé, 1822;Cancer pelagicus Linnaeus, 1758
- Pseudocarcinus gigas, Queen Crab;Tasmanian Giant Crab;Cancer gigas Lamarck, 1818
- Ranina ranina, Spanner Crab;Albunea scabra Weber, 1795;Cancer raninus Linnaeus, 1758;Ranina dentata H Milne Edwards, 1837;Ranina serrata Lamarck, 1801
- Raninidae, Longleg frog crabs
- Rochinia mosaica, Little Thornback Crab;Doclea profunda Rathbun, 1918;Pugettia mosaica Whitelegge, 1900
- Scopimera inflata, Sand-bubbler Crab
- Scylla serrata, Giant Mud Crab Fao;Mud Crab;Muddie;Achelous crassimanus MacLeay, 1838;Cancer serratus Forskål, 1775;Lupa lobifrons H Milne Edwards, 1834;Scylla tranquebarica oceanica Dana, 1852
- Strigopagurus strigimanus, Stridulating Hermit Crab;Pagurus aculeatus H Milne Edwards, 1848;Pagurus strigimanus White, 1847
- Tasmanoplax latifrons, Southern Sentinel Crab;Macrophthalmus latifrons Haswell, 1881
- Thalamita intermedia, Six-lobed Crab
- Thalamita sima, Four-lobed Swimming Crab;Portunus arcuatus De Haan, 1833
- Uca longidigita, Moreton Bay Fiddler Crab;Gelasimus longidigitum Kingsley, 1880
- Upogebiidae, Mud shrimp;Hermit crabs
- Xanthidae, Poisonous xanthid crabs;Common rock crabs;Red egg crabs
- Xiphosura, Horseshoe crabs;King crabs
- Zalasius australis, Long-haired Crab;Trichia australis Baker, 1906
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