1. Species Astacus astacus (Linnaeus, 1758)
2. Species Astacus balcanicus (Karaman, 1929)
3. Species Astacus colchicus Kessler, 1876
4. Subgenus Astacus (Cambaroides) Faxon, 1884 accepted as Cambaroides Faxon, 1884 (superseded status)
   1. Species Astacus (Cambaroides) similis Koelbel, 1892 accepted as Cambaroides similis (Koelbel, 1892) (unaccepted > superseded combination)
5. Subgenus Astacus (Cambarus) Erichson, 1846 accepted as Cambarus Erichson, 1846 (status change)
   1. Species Astacus (Cambarus) Carolinus Erichson, 1846 accepted as Cambarus carolinus (Erichson, 1846) (unaccepted > superseded combination)
   2. Species Astacus (Cambarus) cubensis Erichson, 1846 accepted as Procambarus cubensis cubensis (Erichson, 1846) (unaccepted > superseded combination)
   3. Species Astacus (Cambarus) Mexicanus Erichson, 1846 accepted as Procambarus mexicanus (Erichson, 1846) (unaccepted > superseded combination)
   4. Species Astacus (Cambarus) Wiegmanni Erichson, 1846 (uncertain > nomen dubium)
6. Subgenus Astacus (Cheraps) Erichson, 1846 accepted as Cherax Erichson, 1846 (incorrect original spelling)
   1. Species Astacus (Cheraps) Preissii Erichson, 1846 accepted as Cherax preissii (Erichson, 1846) (unaccepted > superseded combination)
7. Subgenus Astacus (Engaeus) Erichson, 1846 accepted as Engaeus Erichson, 1846 (status change)
   1. Species Astacus (Engaeus) cunicularius Erichson, 1846 accepted as Engaeus cunicularius (Erichson, 1846) (unaccepted > superseded combination)
   2. Species Astacus (Engaeus) fossor Erichson, 1846 accepted as Engaeus fossor (Erichson, 1846) (unaccepted > superseded combination)
8. Subgenus Astacus (Pontastacus) Bott, 1950 accepted as Pontastacus Bott, 1950 (status change)
   1. Species Astacus (Pontastacus) leptodactylus Eschscholtz, 1823 accepted as Pontastacus leptodactylus (Eschscholtz, 1823) (unaccepted > superseded combination)
9. Subgenus Astacus (Potamobius) Samoeulle, 1819 † accepted as Potamobius Samouelle, 1819 accepted as Astacus Fabricius, 1775 (unaccepted > superseded rank)
   1. Species Astacus (Potamobius) antiquus Harbort, 1905 † accepted as Protastacus antiquus (Harbort, 1905) † (unaccepted > superseded combination)
10. Species Astacus advena Le Conte, 1855 accepted as Procambarus advena (Le Conte, 1855) (unaccepted > superseded combination)
11. Species Astacus affinis Say, 1817 accepted as Faxonius limosus (Rafinesque, 1817) (unaccepted > junior subjective synonym)
12. Species Astacus albescens Pennant, 1812 accepted as Palaemon longirostris H. Milne Edwards, 1837 (unaccepted > junior subjective synonym)
13. Species Astacus angulosus Rathke, 1836 accepted as Pontastacus leptodactylus (Eschscholtz, 1823) (unaccepted > junior subjective synonym)
14. Species Astacus angustatus Le Conte, 1855 accepted as Procambarus angustatus (Le Conte, 1855) (unaccepted > superseded combination)
15. Species Astacus armatus von Martens, 1866 accepted as Euastacus armatus (von Martens, 1866) (unaccepted > superseded combination)
16. Species Astacus australasiensis H. Milne Edwards, 1837 accepted as Euastacus australasiensis (H. Milne Edwards, 1837) (unaccepted > superseded combination)
17. Species Astacus bamffius Pennant, 1777 accepted as Munida rugosa (Fabricius, 1775) (unaccepted > junior subjective synonym)
18. Species Astacus bartonii Fabricius, 1798 accepted as Cambarus bartonii bartonii (Fabricius, 1798) (unaccepted > superseded combination)
19. Species Astacus bicarinatus Gray in Eyre, 1845 accepted as Cherax bicarinatus (Gray in Eyre, 1845) (unaccepted > superseded combination)
20. Species Astacus bimaculatus Philippi, 1894 accepted as Samastacus spinifrons (Philippi, 1882) (unaccepted > junior subjective synonym)
21. Species Astacus Birdii Bean, 1839 † accepted as Eryma birdi Woods, 1930 † (unaccepted > nomen nudum)
22. Species Astacus Blandingii Harlan, 1830 accepted as Procambarus blandingii (Harlan, 1830) (unaccepted > superseded combination)
23. Species Astacus Brasiliensis von Martens, 1869 accepted as Parastacus brasiliensis (von Martens, 1869) (unaccepted > superseded combination)
24. Species Astacus breviforceps Cope, 1871 † accepted as Pacifastacus chenoderma (Cope, 1871) † (unaccepted > junior subjective synonym)
25. Species Astacus caldwelli Spence Bate in Sclater, 1865 accepted as Astacoides caldwelli (Spence Bate in Sclater, 1865) (unaccepted > superseded combination)
26. Species Astacus carinatus Meuschen, 1778 (unaccepted > unavailable name, published in work rejected for nomenclatural purposes, Opinion 261)
27. Species Astacus caspius Eichwald, 1838 accepted as Pontastacus pachypus (Rathke, 1836) (unaccepted > junior subjective synonym)
28. Species Astacus chenoderma Cope, 1871 † accepted as Pacifastacus chenoderma (Cope, 1871) † (unaccepted > superseded combination)
29. Species Astacus chilensis H. Milne Edwards, 1837 accepted as Parastacus pugnax (Poeppig, 1835) (unaccepted > junior subjective synonym)
30. Species Astacus ciliaris Rafinesque, 1817 accepted as Cambarus bartonii (Fabricius, 1798) (unaccepted > junior subjective synonym)
31. Species Astacus coerulescens Fabricius, 1775 accepted as Hippolyte coerulescens (Fabricius, 1775) (unaccepted > superseded combination)
32. Species Astacus crassicornis Fabricius, 1775 accepted as Scina crassicornis (Fabricius, 1775) (unaccepted > superseded combination)
33. Species Astacus dauricus Pallas, 1772 accepted as Cambaroides dauricus (Pallas, 1772)
34. Species Astacus edwardsii Van Straelen, 1928 † accepted as Emplastron edwardsii (Van Straelen, 1928) † (unaccepted > superseded combination)
35. Species Astacus elephas Fabricius, 1787 accepted as Palinurus elephas (Fabricius, 1787) (unaccepted > superseded combination)
36. Species Astacus europeus Couch, 1837 accepted as Homarus gammarus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
37. Species Astacus fluviatilis Fabricius, 1775 accepted as Astacus astacus astacus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
38. Species Astacus fodiens Cottle, 1863 accepted as Creaserinus fodiens (Cottle, 1863) (unaccepted > superseded combination)
39. Species Astacus fontinalis Carbonnier, 1869 accepted as Austropotamobius pallipes (Lereboullet, 1858) (unaccepted > junior subjective synonym)
40. Species Astacus fossarum Le Conte, 1855 accepted as Procambarus troglodytes (Le Conte, 1855) (unaccepted > junior subjective synonym)
41. Species Astacus fossor Rafinesque, 1817 accepted as Cambarus diogenes Girard, 1852 accepted as Lacunicambarus diogenes (Girard, 1852) (unaccepted > junior subjective synonym)
42. Species Astacus Franklinii Gray in Eyre, 1845 accepted as Astacopsis franklinii (Gray in Eyre, 1845) (unaccepted > superseded combination)
43. Species Astacus fulvus Fabricius, 1793 accepted as Homarus capensis (Herbst, 1792) accepted as Homarinus capensis (Herbst, 1792) (unaccepted > junior subjective synonym)
44. Species Astacus gambelii (Girard, 1852) accepted as Pacifastacus gambelii (Girard, 1852) (unaccepted > superseded combination)
45. Species Astacus groenlandicus Fabricius, 1775 accepted as Lebbeus groenlandicus (Fabricius, 1775) (unaccepted > superseded combination)
46. Species Astacus harengum Fabricius, 1781 accepted as Praunus flexuosus (Müller, 1776) (unaccepted > junior subjective synonym)
47. Species Astacus histrio Fabricius, 1775 accepted as Spirontocaris liljeborgii (Danielssen, 1859) (unaccepted > junior subjective synonym)
48. Species Astacus homari Fabricius, 1779 accepted as Gammarellus homari (J.C. Fabricius, 1779) (unaccepted > superseded combination)
49. Species Astacus japonicus De Haan, 1841 accepted as Cambaroides japonicus (De Haan, 1841)
50. Species Astacus kessleri Schimkewitsch, 1886 accepted as Pontastacus kessleri (Schimkewitsch, 1886) (unaccepted > superseded combination)
51. Species Astacus Klamathensis Stimpson, 1857 accepted as Pacifastacus leniusculus (Dana, 1852) (unaccepted > junior subjective synonym)
52. Species Astacus latimanus Le Conte, 1855 accepted as Cambarus latimanus (Le Conte, 1855) (unaccepted > superseded combination)
53. Species Astacus Leachii Mantell, 1822 † accepted as Enoploclytia leachii (Mantell, 1822) † (unaccepted > superseded combination)
54. Species Astacus leniusculus Dana, 1852 accepted as Pacifastacus leniusculus (Dana, 1852) (unaccepted > superseded combination)
55. Species Astacus leptodactylus Eschscholtz, 1823 accepted as Pontastacus leptodactylus (Eschscholtz, 1823) (unaccepted > superseded combination)
56. Species Astacus leptodactylus Germar, 1827 † accepted as Eryma modestiforme (von Schlotheim, 1822) † (unaccepted > junior subjective synonym)
57. Species Astacus leptorhinus Fischer de Waldheim, 1836 accepted as Cambaroides dauricus (Pallas, 1772) (unaccepted > junior subjective synonym)
58. Species Astacus leucoderma Pusch, 1838 † accepted as Eryma leucodermum (Pusch, 1838) † (unaccepted > superseded combination)
59. Species Astacus licenti Van Straelen, 1928 † accepted as Palaeocambarus licenti (Van Straelen, 1928) † (unaccepted > superseded combination)
60. Species Astacus limosus Rafinesque, 1817 accepted as Faxonius limosus (Rafinesque, 1817) (unaccepted > superseded combination)
61. Species Astacus locusta Fabricius, 1781 accepted as Leander tenuicornis (Say, 1818) (unaccepted > junior subjective synonym)
62. Species Astacus longicornis Lereboullet, 1858 accepted as Austropotamobius torrentium torrentium (von Paula Schrank, 1803) (unaccepted > junior subjective synonym)
63. Species Astacus longimanus Sowerby, 1826 † accepted as Hoploparia longimana (Sowerby, 1826) † (unaccepted > superseded combination)
64. Species Astacus maculatus Leach, 1814 accepted as Pandalus montagui Leach, 1814 (unaccepted > nomen nudum)
65. Species Astacus madagascarensis H. Milne Edwards & Audouin, 1839 accepted as Astacoides madagascarensis (H. Milne Edwards & Audouin, 1839) (unaccepted > superseded combination)
66. Species Astacus malabaricus Fabricius, 1775 accepted as Alpheus malabaricus (Fabricius, 1775) (unaccepted > superseded combination)
67. Species Astacus maniculatus Le Conte, 1855 accepted as Procambarus troglodytes (Le Conte, 1855) (unaccepted > junior subjective synonym)
68. Species Astacus marinus Say, 1817 accepted as Homarus americanus H. Milne Edwards, 1837 (unaccepted > junior subjective synonym)
69. Species Astacus marinus Fabricius, 1775 accepted as Homarus gammarus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
70. Species Astacus mucronatus Phillips, 1835 † accepted as Pseudastacus mucronatus (Phillips, 1835) † (unaccepted > superseded combination)
71. Species Astacus multicavatus Bell, 1863 † accepted as Eryma multicavatus (Bell, 1863) † (unaccepted > superseded combination)
72. Species Astacus muricatus Olivier, 1791 accepted as Stenopus hispidus (Olivier, 1811)
73. Species Astacus narual Fabricius, 1787 accepted as Plesionika narval (Fabricius, 1787) (unaccepted > superseded combination, original spelling; subsequent emendation narval in common use)
74. Species Astacus nasoscopus Meuschen, 1778 accepted as Atya innocous (Herbst, 1792) (unaccepted > unavailable name, published in work rejected for nomenclatural purposes, Opinion 261)
75. Species Astacus Nicoleti Philippi, 1882 accepted as Parastacus nicoleti (Philippi, 1882) (unaccepted > superseded combination)
76. Species Astacus nigrescens Stimpson, 1857 accepted as Pacifastacus nigrescens (Stimpson, 1857) (unaccepted > superseded combination)
77. Species Astacus oreganus Randall, 1840 accepted as Pacifastacus leniusculus (Dana, 1852) (suppressed under the plenary powers for the purposes of the Principle of Priority but not those of the Principle of Homonymy and placed on the Official Index of Rejected and Invalid Specific Names in Zoology in Opinion 855)
78. Species Astacus ornatus Phillips, 1829 † accepted as Meyeria ornata (Phillips, 1829) † (unaccepted > superseded combination)
79. Species Astacus pachypus Rathke, 1836 accepted as Pontastacus pachypus (Rathke, 1836) (unaccepted > superseded combination)
80. Species Astacus pallipes Lereboullet, 1858 accepted as Austropotamobius pallipes (Lereboullet, 1858) (unaccepted > superseded combination)
81. Species Astacus pellucidus Tellkampf, 1844 accepted as Orconectes pellucidus (Tellkampf, 1844) (unaccepted > superseded combination)
82. Species Astacus penicillatus Le Conte, 1855 accepted as Procambarus barbatus (Faxon, 1890) (unaccepted > junior homonym)
83. Species Astacus penicillatus Olivier, 1791 accepted as Panulirus penicillatus (Olivier, 1791) (unaccepted > superseded combination)
84. Species Astacus pilimanus von Martens, 1869 accepted as Parastacus pilimanus (von Martens, 1869) (unaccepted > superseded combination)
85. Species Astacus politus Schlüter in von der Marck & Schlüter, 1868 † accepted as Protastacus politus (Schlüter in von der Marck & Schlüter, 1868) † (unaccepted > superseded combination)
86. Species Astacus pugnax Poeppig, 1835 accepted as Parastacus pugnax (Poeppig, 1835) (unaccepted > superseded combination)
87. Species Astacus pusillus Rafinesque, 1817 accepted as Cambarus bartonii (Fabricius, 1798) (unaccepted > junior subjective synonym)
88. Species Astacus pusillus Petagna, 1792 accepted as Upogebia pusilla (Petagna, 1792) (unaccepted > superseded combination)
89. Species Astacus quadricarinatus von Martens, 1868 accepted as Cherax quadricarinatus (von Martens, 1868) (unaccepted > superseded combination)
90. Species Astacus quinquecarinatus Gray in Eyre, 1845 accepted as Cherax quinquecarinatus (Gray in Eyre, 1845) (unaccepted > superseded combination)
91. Species Astacus quinque-carinatus Gray in Eyre, 1845 accepted as Astacus quinquecarinatus Gray in Eyre, 1845 accepted as Cherax quinquecarinatus (Gray in Eyre, 1845) (unaccepted > misspelling - incorrect original spelling)
92. Species Astacus rostratus Phillips, 1829 † accepted as Paraglyphea rostrata (Phillips, 1829) † (unaccepted > superseded combination)
93. Species Astacus rugosus Rafinesque, 1814 accepted as Nephrops norvegicus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
94. Species Astacus saxatilis Koch, 1836 accepted as Austropotamobius torrentium torrentium (von Paula Schrank, 1803) (unaccepted > junior subjective synonym)
95. Species Astacus scaber Fabricius, 1798 accepted as Eutrichocheles modestus (Herbst, 1796) (unaccepted > junior subjective synonym)
96. Species Astacus Schrenckii Kessler, 1874 accepted as Cambaroides schrenckii (Kessler, 1874) (unaccepted > superseded combination)
97. Species Astacus serratus Pennant, 1777 accepted as Palaemon serratus (Pennant, 1777) (unaccepted > superseded combination)
98. Species Astacus spiculifer Le Conte, 1855 accepted as Procambarus spiculifer (Le Conte, 1855) (unaccepted > superseded combination)
99. Species Astacus spinifrons Philippi, 1882 accepted as Samastacus spinifrons (Philippi, 1882) (unaccepted > superseded combination)
100. Species Astacus spinimanus Germar, 1827 † accepted as Cycleryon propinquus (von Schlotheim, 1822) † (unaccepted > junior subjective synonym)
101. Species Astacus spinirostrius Imaizumi, 1938 † accepted as Palaeocambarus licenti (Van Straelen, 1928) † (unaccepted > junior subjective synonym)
102. Species Astacus squilla (Linnaeus, 1758) accepted as Palaemon adspersus Rathke, 1836
103. Species Astacus strigosus (Linnaeus, 1761) accepted as Galathea strigosa (Linnaeus, 1761) (unaccepted > superseded combination)
104. Species Astacus subgrundialis Cope, 1871 † accepted as Pacifastacus chenoderma (Cope, 1871) † (unaccepted > junior subjective synonym)
105. Species Astacus Sussexiensis Mantell, 1833 † accepted as Palaeastacus sussexiensis (Mantell, 1833) † (unaccepted > superseded combination)
106. Species Astacus Tasmanicus Erichson, 1846 accepted as Geocharax tasmanicus (Erichson, 1846) (unaccepted > superseded combination)
107. Species Astacus torrentium (von Paula Schrank, 1803) accepted as Austropotamobius torrentium torrentium (von Paula Schrank, 1803) (unaccepted > superseded combination)
108. Species Astacus tristis Koch, 1836 accepted as Austropotamobius torrentium torrentium (von Paula Schrank, 1803) (unaccepted > junior subjective synonym)
109. Species Astacus troglodytes Le Conte, 1855 (unaccepted > superseded combination)
110. Species Astacus Trowbridgii Stimpson, 1857 (unaccepted > junior subjective synonym)
111. Species Astacus tyrrhenus Petagna, 1792 (unaccepted > superseded combination)
112. Species Astacus zaleucus Thomson, 1873 (unaccepted > superseded combination)
113. Species Astacus Zealandicus White, 1847 (unaccepted > superseded combination)
114. Species Astacus cenomanensis Fritsch in Fritsch & Kafka, 1887 † (uncertain > nomen dubium)
115. Species Astacus cylindrus Fabricius, 1793 (uncertain > nomen dubium, larval stage with no known adult link)
116. Species Astacus ferratus Fabricius, 1793 (uncertain > nomen dubium)
117. Species Astacus fulgens Fabricius, 1775 (uncertain > taxon inquirendum)
118. Species Astacus gibbosus Pennant, 1812 (uncertain > nomen dubium)
119. Species Astacus laevissimus Fritsch in Fritsch & Kafka, 1887 † (uncertain > nomen dubium)
120. Species Astacus planatus Fabricius, 1798 (uncertain > nomen dubium, larval stage with no known adult link)
121. Species Astacus tettigonus Fabricius, 1775 (uncertain > taxon inquirendum)

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