1. Species Elasmopus aduncus Myers, 1995
2. Species Elasmopus alalo Myers, 1986
3. Species Elasmopus alkhiranensis Myers & Momtazi, 2015
4. Species Elasmopus antennatus (Stout, 1913)
5. Species Elasmopus arafura Hughes & Lowry, 2011
6. Species Elasmopus arjyaensis Nahak, Patra & Patro, 2026
7. Species Elasmopus arrawarra Hughes & Lowry, 2006
8. Species Elasmopus atolgidus J.L. Barnard, 1965
9. Species Elasmopus atollicus Myers, 2014
10. Species Elasmopus balkomanus Thomas & J.L. Barnard, 1988
11. Species Elasmopus bampo J.L. Barnard, 1979
12. Species Elasmopus barbatus Schellenberg, 1925
13. Species Elasmopus bastidai García-Madrigal, 2010
14. Species Elasmopus bollonsi Chilton, 1915
15. Species Elasmopus brasiliensis (Dana, 1853)
16. Species Elasmopus buchneri Spandl, 1924
17. Species Elasmopus calliactis Edmondson, 1951
18. Species Elasmopus canarius Krapp-Schickel & Ruffo, 1990
19. Species Elasmopus caprai Maccagno, 1936
20. Species Elasmopus carteri Hughes & Lowry, 2011
21. Species Elasmopus chevreuxi Cecchini, 1928
22. Species Elasmopus coxacallus Hughes, 2015
23. Species Elasmopus crenulatus Berents, 1983
24. Species Elasmopus delaplata Stebbing, 1888
25. Species Elasmopus dentiferus Schellenberg, 1938
26. Species Elasmopus dentipalmus Walker, 1916
27. Species Elasmopus diplonyx Schellenberg, 1938
28. Species Elasmopus dubius Walker, 1904
29. Species Elasmopus ecuadorensis Schellenberg, 1936
30. Species Elasmopus elieri Ortiz, Lalana & Varela, 2004
31. Species Elasmopus erythraeus (Kossmann, 1880)
32. Species Elasmopus excavatus Schellenberg, 1938
33. Species Elasmopus fusimanus Oliveira, 1951
34. Species Elasmopus gabrieli Siqueira & Iwasa-Arai in Iwasa-Arai, Siqueira, Segadilha & Leite, 2021
35. Species Elasmopus gracilis Schellenberg, 1938
36. Species Elasmopus hawaiensis Schellenberg, 1938
37. Species Elasmopus helenae Pereira, Andrade & Senna, 2022
38. Species Elasmopus holgurus J.L. Barnard, 1962
39. Species Elasmopus hooheno J.L. Barnard, 1970
40. Species Elasmopus hyperopia Hughes & Lowry, 2011
41. Species Elasmopus incarocai Alves, Johnsson & Senna, 2016
42. Species Elasmopus incomptus Hughes, 2015
43. Species Elasmopus integer Myers, 1989
44. Species Elasmopus japonicus Stephensen, 1932
45. Species Elasmopus karamani Souza-Filho & Senna, 2009
46. Species Elasmopus karlae García-Madrigal, 2010
47. Species Elasmopus koreanus Kim & Kim, 1991
48. Species Elasmopus laminischia Myers, 2016
49. Species Elasmopus lapu Myers, 1985
50. Species Elasmopus laufolii Myers, 1986
51. Species Elasmopus lecroyae García-Madrigal, 2010
52. Species Elasmopus lejeunei Souza-Filho & Senna, 2009
53. Species Elasmopus lemaitrei Ortiz & Lalana, 1994
54. Species Elasmopus leveque Hughes & Lowry, 2011
55. Species Elasmopus levis (S.I. Smith in Verrill & Smith, 1874)
56. Species Elasmopus longipropodus Senna & Souza-Filho, 2011
57. Species Elasmopus lumbiniger Yoshimura, Lee & Tomikawa, 2025
58. Species Elasmopus magnispinatus Kunkel, 1910
59. Species Elasmopus marcelae García-Madrigal, 2010
60. Species Elasmopus marplatensis Alonso de Pina, 1997
61. Species Elasmopus mayo J.L. Barnard, 1979
62. Species Elasmopus mcluerensis Hughes & Lowry, 2011
63. Species Elasmopus menurte J.L. Barnard, 1974
64. Species Elasmopus minimus Chevreux, 1907
65. Species Elasmopus molokai J.L. Barnard, 1970
66. Species Elasmopus mukuinu Sir & White, 2022
67. Species Elasmopus mutatus J.L. Barnard, 1962
68. Species Elasmopus nanshaensis Ren, 1998
69. Species Elasmopus neglectus Chilton, 1915
70. Species Elasmopus nkjaf Nakamura, Nakano, Ota & Tomikawa, 2019
71. Species Elasmopus norfolkensis Hughes, 2015
72. Species Elasmopus oaxaquensis García-Madrigal, 2010
73. Species Elasmopus ocoroni J.L. Barnard, 1979
74. Species Elasmopus ora Myers, 2014
75. Species Elasmopus otus Hughes & Lowry, 2011
76. Species Elasmopus pachacuteci Alves, Johnsson & Senna, 2016
77. Species Elasmopus palu Appadoo & Myers, 2003
78. Species Elasmopus pectenicrus (Spence Bate, 1863)
79. Species Elasmopus perditus Reid, 1951
80. Species Elasmopus piikoi J.L. Barnard, 1970
81. Species Elasmopus pilosus Ledoyer, 1979
82. Species Elasmopus pocillimanus (Spence Bate, 1863)
83. Species Elasmopus podotrichius Ruffo, 1969
84. Species Elasmopus polynesus Krapp-Schickel & Müller in Lowry & Myers, 2013
85. Species Elasmopus projectus Yoshimura & Tomikawa, 2025
86. Species Elasmopus pseudaffinis Schellenberg, 1938
87. Species Elasmopus pseudinteger Appadoo & Myers, 2003
88. Species Elasmopus puteus Appadoo & Myers, 2003
89. Species Elasmopus rapax A. Costa, 1853
90. Species Elasmopus rishikondiensis Kanakadurga, Rao & Shyamasundari, 1981
91. Species Elasmopus serricatus J.L. Barnard, 1969
92. Species Elasmopus seticarpus Myers, 1985
93. Species Elasmopus shepherdi Hughes & Lowry, 2011
94. Species Elasmopus sivaprakasami Myers, Trivedi & Vachhrajani in Myers, Trivedi, Gosavi, Vachhrajani, 2018
95. Species Elasmopus slatyeri Lowry & Hughes, 2009
96. Species Elasmopus smirnovi Bulyčeva, 1952
97. Species Elasmopus souillacensis Appadoo & Myers, 2003
98. Species Elasmopus souzafilhoi Senna, 2011
99. Species Elasmopus spinibasus Sivaprakasam, 1970
100. Species Elasmopus spinicarpus Berents, 1983
101. Species Elasmopus spinidactylus Chevreux, 1907
102. Species Elasmopus spinimanus Walker, 1904
103. Species Elasmopus spinipalpus Ledoyer, 1982
104. Species Elasmopus spinipes Mateus & Mateus, 1986
105. Species Elasmopus steelei Appadoo & Myers, 2003
106. Species Elasmopus steinitzi Ruffo, 1959
107. Species Elasmopus takamotus Myers, 1986
108. Species Elasmopus temori J.L. Barnard, 1979
109. Species Elasmopus thalyae Gouillieux & Sorbe, 2015
110. Species Elasmopus thomasi Ortiz & Lalana, 1994
111. Species Elasmopus tibarensis Hughes, 2015
112. Species Elasmopus tiburoni J.L. Barnard, 1979
113. Species Elasmopus tubar J.L. Barnard, 1979
114. Species Elasmopus vachoni Mateus & Mateus, 1966
115. Species Elasmopus veranocephalensis Lowry & Hughes, 2009
116. Species Elasmopus viracochai Alves, Johnsson & Senna, 2016
117. Species Elasmopus visakhapatnamensis Kanakadurga, Rao & Shyamasundari, 1981
118. Species Elasmopus wahine J.L. Barnard, 1972
119. Species Elasmopus waltersi Ledoyer, 1982
120. Species Elasmopus warra Kelaher & Lowry, 2002
121. Species Elasmopus woodjonesi Hughes & Lowry, 2011
122. Species Elasmopus yahuarhuaci Alves, Johnsson & Senna, 2016
123. Species Elasmopus yucalpeten Paz-Ríos & Ardisson, 2014
124. Species Elasmopus yunde J.L. Barnard, 1974
125. Species Elasmopus yupanquii Alves, Johnsson & Senna, 2016
126. Species Elasmopus zoanthidea J.L. Barnard, 1979
127. Species Elasmopus crassimana (Miers, 1884) (uncertain > nomen dubium)
128. Species Elasmopus miersi (Wrzesniowski, 1879) (uncertain > nomen dubium)
129. Species Elasmopus peruvianus (Dana, 1852) (uncertain > nomen dubium)
130. Species Elasmopus affinis Della Valle, 1893 accepted as Elasmopus rapax A. Costa, 1853
131. Species Elasmopus barnardi Shoemaker, 1948 accepted as Maera vagans K.H. Barnard, 1940 (replacement name)
132. Species Elasmopus besnardi Oliveira, 1951 accepted as Elasmopus brasiliensis (Dana, 1853)
133. Species Elasmopus boeckii (Haswell, 1879) accepted as Linguimaera boecki (Haswell, 1879) (superseded combination)
134. Species Elasmopus carnleyi Stephensen, 1927 accepted as Ceradocopsis carnleyi (Stephensen, 1927) (unaccepted > superseded combination)
135. Species Elasmopus congoensis Shoemaker, 1920 accepted as Elasmopus affinis Della Valle, 1893 accepted as Elasmopus rapax A. Costa, 1853
136. Species Elasmopus diemenensis (Haswell, 1879) accepted as Mallacoota diemenensis (Haswell, 1879)
137. Species Elasmopus insignis Chevreux, 1901 accepted as Mallacoota insignis (Chevreux, 1901) (unaccepted > superseded combination)
138. Species Elasmopus laevis S.I. Smith in Verrill, 1873 accepted as Elasmopus levis (S.I. Smith in Verrill & Smith, 1874) (misspelling)
139. Species Elasmopus latibrachium Walker, 1905 accepted as Mallacoota latibrachium (Walker, 1905) (unaccepted > superseded combination)
140. Species Elasmopus levis K.H. Barnard, 1916 accepted as Maera vagans K.H. Barnard, 1940 (junior homonym)
141. Species Elasmopus odontoplax Pirlot, 1936 accepted as Mallacoota odontoplax (Pirlot, 1936) (unaccepted > superseded combination)
142. Species Elasmopus serrula Walker, 1904 accepted as Elasmopus pectenicrus (Spence Bate, 1863)
143. Species Elasmopus sokotrae Walker & Scott, 1903 accepted as Mallacoota sokotrae (Walker & Scott, 1903) (unaccepted > superseded combination)
144. Species Elasmopus subcarinatus (Haswell, 1879) accepted as Mallacoota subcarinata (Haswell, 1879)
145. Species Elasmopus suensis (Haswell, 1879) accepted as Parelasmopus suensis (Haswell, 1879)

marine, terrestrial

recent only

Costa, A. (1853). Richerche sui crostacei amfipodi del regno di Napoli / del Dot. Achille Costa. <em>Mem. Reale Accad. Sc. Napoli.</em> 1, 165-235., available online at https://www.biodiversitylibrary.org/bibliography/2070#/summary [details] 

Horton, T.; Lowry, J.; De Broyer, C.; Bellan-Santini, D.; Copilas-Ciocianu, D.; Corbari, L.; Costello, M.J.; Daneliya, M.; Dauvin, J.-C.; Fišer, C.; Gasca, R.; Grabowski, M.; Guerra-García, J.M.; Hendrycks, E.; Hughes, L.; Jaume, D.; Jazdzewski, K.; Kim, Y.-H.; King, R.; Krapp-Schickel, T.; LeCroy, S.; Lörz, A.-N.; Mamos, T.; Senna, A.R.; Serejo, C.; Souza-Filho, J.F.; Tandberg, A.H.; Thomas, J.D.; Thurston, M.; Vader, W.; Väinölä, R.; Valls Domedel, G.; Vonk, R.; White, K.; Zeidler, W. (2026). World Amphipoda Database. Elasmopus A. Costa, 1853. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=101671 on 2026-08-19

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