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Table 1

Checklist and frequency of occurrence (%) of freshwater zooplankton (Copepoda, Cladocera, and Rotifera) from 180 Brazilian tropical shallow lakes located in the states of Rio Grande do Norte (n = 99) and Pernambuco (n = 81) by biome (Atlantic Forest n = 29; Caatinga n = 98), lake origin (Natural lake n = 45; Reservoirs n = 82), and lake habitat (Pelagic n = 127; Littoral n = 127) (TN = number of occurrences).

ZOOPLANKTON GROUP Copepoda Species Biome Lake origin Habitat All ecosystems
Atlantic Forest Caatinga Natural lake Reservoir Pelagic Littoral  
n = 29 n = 98 n = 45 n = 82 n = 102 n = 127 n =127
TN % TN % TN % TN % TN % TN % TN %
Apocyclops panamensis (Marsh, 1913) 0 0.0 2 2.0 0 0.0 2 2.4 2 2.0 2 1.6 2 1.6
Apocyclops procerus (Herbst, 1955) 1 3.4 15 15.3 2 4.4 14 17.1 13 12.7 14 11.0 16 12.6
Argyrodiaptomus sp. 2 6.9 2 2.0 1 2.2 3 3.7 1 1.0 5 3.9 4 3.1
Ectocyclops bromelicola (Kiefer, 1935) 0 0.0 2 2.0 0 0.0 2 2.4 0 0.0 1 0.8 2 1.6
Ectocyclops herbest (Dussart, 1984) 1 3.4 6 6.1 0 0.0 7 8.5 0 0.0 7 5.5 7 5.5
Ectocyclops rubescens (Brady, 1904) 1 3.4 2 2.0 0 0.0 3 3.7 3 2.9 3 2.4 3 2.4
Eucyclops alticola (Kiefer, 1957) 0 0.0 1 1.0 0 0.0 1 1.2 0 0.0 1 0.8 1 0.8
Eucyclops ensifer (Kiefer, 1935) 1 3.4 0 0.0 1 2.2 0 0.0 1 1.0 0 0.0 1 0.8
Eucyclops neumani (Pesta, 1927) 0 0.0 6 6.1 0 0.0 6 7.3 0 0.0 6 4.7 6 4.7
Halicyclops pilosus (Rocha, 1984) 0 0.0 1 1.0 0 0.0 1 1.2 0 0.0 1 0.8 1 0.8
Halicyclops sp. 0 0.0 1 1.0 1 2.2 0 0.0 0 0.0 1 0.8 1 0.8
Mesocyclops aspericornis (Daday, 1906) 2 6.9 6 6.1 3 6.7 5 6.1 3 2.9 8 6.3 8 6.3
Mesocyclops ellipticus (Kiefer, 1936) 0 0.0 1 1.0 0 0.0 1 1.2 1 1.0 1 0.8 1 0.8
Mesocyclops longisetus (Thiébaud, 1912) 4 13.8 6 6.1 6 13.3 4 4.9 2 2.0 9 7.1 10 7.9
Mesocyclops meridianus (Kiefer, 1926) 2 6.9 2 2.0 1 2.2 3 3.7 2 2.0 3 2.4 4 3.1
Microcyclops caibaensis (Marsh, 1919) 1 3.4 0 0.0 1 2.2 0 0.0 0 0.0 1 0.8 1 0.8
Microcylops anceps (Richard, 1987) 16 55.2 31 31.6 16 35.6 31 37.8 22 21.6 39 30.7 47 37.0
Neutrocyclops brevifurca (Lowndes, 1934) 1 3.4 2 2.0 0 0.0 3 3.7 0 0.0 3 2.4 3 2.4
Notodiaptomus cearensis (Wright S., 1936) 5 17.2 27 27.6 8 17.8 24 29.3 19 18.6 31 24.4 35 27.6
Notodiaptomus iheringi (Wright S., 1935) 5 17.2 36 36.7 12 26.7 29 35.4 28 27.5 33 26.0 41 32.3
Notodiaptomus nordestinus (Wright S., 1935) 10 34.5 7 7.1 9 20.0 8 9.8 12 11.8 15 11.8 17 13.4
Paracyclops fimbriatus (Fisher, 1853) 6 20.7 2 2.0 4 8.9 4 4.9 3 2.9 6 4.7 8 6.3
Thermocyclops decipiens (Kiefer, 1929) 7 24.1 45 45.9 7 15.6 45 54.9 39 38.2 40 31.5 52 40.9
Thermocyclops iguapensis (Matsumura-Tundisi, 2005) 2 6.9 0 0.0 2 4.4 0 0.0 0 0.0 2 1.6 2 1.6
Thermocyclops minutus (Lowndes, 1934) 0 0.0 2 2.0 2 4.4 0 0.0 1 1.0 1 0.8 2 1.6
Cladocera Species Biome Lake origin Habitat All ecosystems
Atlantic Forest Caatinga Natural lake Reservoir Pelagic Littoral  
n = 49 n = 107 n = 56 n = 100 n = 104 n = 156 n =156
TN % TN % TN % TN % TN % TN % TN %
Alona cf. guttata Sars, 1861 0 0.0 2 1.9 1 1.8 1 1 0 0.0 2 1.3 2 1.3
Alona ossiani Sinev, 1998 3 6.1 2 1.9 3 5.4 2 2 3 2.9 4 2.6 5 3.2
Alona yara Sinev & Elmoor-Loureiro, 2010 1 2.0 0 0.0 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Alonella clathratula Sars, 1896 13 26.5 0 0.0 9 16.1 4 4 3 2.9 12 7.7 13 8.3
Alonella dadayi Birge, 1910 13 26.5 1 0.9 6 10.7 8 8 3 2.9 13 8.3 14 9.0
Anthalona verrucosa (Sars, 1901) 27 55.1 39 36.4 30 53.6 36 36 19 18.3 61 39.1 66 42.3
Bosmina freyi De Melo & Hebert, 1994 0 0.0 4 3.7 2 3.6 2 2 1 1.0 4 2.6 4 2.6
Bosmina hagmanni Stingelin, 1904 15 30.6 5 4.7 8 14.3 12 12 14 13.5 11 7.1 20 12.8
Bosminopsis deitersi Richard, 1895 2 4.1 0 0.0 0 0.0 2 2 0 0.0 2 1.3 2 1.3
Ceriodaphnia cornuta Sars, 1885 22 44.9 57 53.3 22 39.3 57 57 38 36.5 68 43.6 79 50.6
Chydorus cf. brevilabris Frey, 1980 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Chydorus cf. sphaericus (Müller, 1776) 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Chydorus dentifer Daday, 1905 1 2.0 0 0.0 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Chydorus eurynotus Sars, 1901 6 12.2 8 7.5 5 8.9 9 9 8 7.7 9 5.8 14 9.0
Chydorus nitidilus (Sars, 1901) 4 8.2 4 3.7 3 5.4 5 5 2 1.9 8 5.1 8 5.1
Chydorus pubescens Sars, 1901 19 38.8 7 6.5 16 28.6 10 10 7 6.7 25 16.0 26 16.7
Coronatella monacantha (Sars, 1901) 0 0.0 3 2.8 3 5.4 0 0 0 0.0 3 1.9 3 1.9
Coronatella poppei (Richard, 1897) 1 2.0 9 8.4 4 7.1 6 6 1 1.0 9 5.8 10 6.4
Dadayi macrops (Daday, 1898) 0 0.0 2 1.9 0 0.0 2 2 0 0.0 2 1.3 2 1.3
Daphnia gessneri Herbst, 1967 0 0.0 8 7.5 2 3.6 6 6 5 4.8 6 3.8 8 5.1
Diaphanosoma brevireme Sars, 1901 3 6.1 4 3.7 3 5.4 4 4 0 0.0 7 4.5 7 4.5
Diaphanosoma fluviatile Hansen 1899 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Diaphanosoma polyspina Korovchinsky, 1982 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Diaphanosoma spinulosum Herbst, 1975 19 38.8 46 43.0 15 26.8 50 50 28 26.9 57 36.5 65 41.7
Disparalona hamata (Birge, 1879) 1 2.0 0 0.0 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Dunhevedia odontoplax Sars, 1901 3 6.1 8 7.5 3 5.4 8 8 2 1.9 10 6.4 11 7.1
Ephemeroporus barroisi (Richard, 1894) 9 18.4 0 0.0 7 12.5 2 2 3 2.9 9 5.8 9 5.8
Ephemeroporus hybridus (Daday, 1905) 14 28.6 22 20.6 19 33.9 17 17 9 8.7 33 21.2 36 23.1
Ephemeroporus tridentatus (Bergamin, 1931) 5 10.2 3 2.8 4 7.1 4 4 1 1.0 8 5.1 8 5.1
Euryalona orientalis (Daday, 1898) 2 4.1 7 6.5 3 5.4 6 6 1 1.0 8 5.1 9 5.8
Flavalona iheringula (Kotov & Sinev, 2004) 1 2.0 1 0.9 2 3.6 0 0 1 1.0 0 0.0 2 1.3
Flavalona margipluma (Sousa, Santos, Güntzel, Diniz, Melo Junior & Elmoor-Loureiro, 2015) 0 0.0 1 0.9 0 0.0 1 1 0 0.0 1 0.6 1 0.6
Grimaldina brazzai Richard, 1892 1 2.0 1 0.9 2 3.6 0 0 0 0.0 2 1.3 2 1.3
Ilyocryptus spinifer Herrick, 1882 18 36.7 10 9.3 14 25.0 14 14 6 5.8 25 16.0 28 17.9
Karualona muelleri (Richard, 1897) 4 8.2 18 16.8 12 21.4 10 10 2 1.9 22 14.1 22 14.1
Kurzia polyspina Hudec, 2000 1 2.0 5 4.7 2 3.6 4 4 0 0.0 6 3.8 6 3.8
Latonopsis australis Sars, 1888 8 16.3 11 10.3 12 21.4 7 7 9 8.7 17 10.9 19 12.2
Leberis davidi (Richard, 1895) 1 2.0 10 9.3 6 10.7 5 5 3 2.9 10 6.4 11 7.1
Leydigia ipojucae Brehm, 1938 0 0.0 3 2.8 1 1.8 2 2 1 1.0 2 1.3 3 1.9
Leydigia striata Barabén, 1939 0 0.0 1 0.9 0 0.0 1 1 0 0.0 1 0.6 1 0.6
Leydigiopsis curvirostris Sars, 1901 1 2.0 5 4.7 3 5.4 3 3 1 1.0 5 3.2 6 3.8
Leydigiopsis megalops Sars, 1901 1 2.0 0 0.0 1 1.8 0 0 0 0.0 2 1.3 1 0.6
Leydigiopsis ornata Daday, 1905 2 4.1 1 0.9 3 5.4 0 0 0 0.0 2 1.3 3 1.9
Macrothrix elegans Sars, 1901 17 34.7 32 29.9 22 39.3 27 27 14 13.5 46 29.5 49 31.4
Macrothrix squamosa Sars, 1901 12 24.5 13 12.1 10 17.9 15 15 4 3.8 3 1.9 25 16.0
Macrothrix superaculeata Smirnov, 1992 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Magnospina dentifera (Sars, 1901) 5 10.2 14 13.1 7 12.5 12 12 6 5.8 15 9.6 19 12.2
Moina micrura Kurz, 1874 0 0.0 16 15.0 5 8.9 11 11 5 4.8 16 10.3 16 10.3
Moina minuta Hansen, 1899 10 20.4 35 32.7 12 21.4 33 33 32 30.8 32 20.5 45 28.8
Moina reticulata (de Goulden, 1968) 0 0.0 2 1.9 0 0.0 2 2 0 0.0 2 1.3 2 1.3
Moinodaphnia macleayi (de Goulden, 1968) 4 8.2 0 0.0 2 3.6 2 2 0 0.0 4 2.6 4 2.6
Notoalona sculpta (Sars, 1901) 3 6.1 2 1.9 3 5.4 2 2 0 0.0 5 3.2 5 3.2
Ovalona glabra (Sars, 1901) 12 24.5 11 10.3 10 17.9 13 13 3 2.9 21 13.5 23 14.7
Oxyurella ciliata Bergamin, 1939 2 4.1 1 0.9 1 1.8 2 2 0 0.0 3 1.9 3 1.9
Oxyurella longicaudis (Birge, 1910) 4 8.2 5 4.7 4 7.1 5 5 3 2.9 8 5.1 9 5.8
Parvalona parva (Daday, 1905) 0 0.0 3 2.8 3 5.4 0 0 0 0.0 3 1.9 3 1.9
Pseudosida bidentata (de Korovchinsky, 1992) 1 2.0 2 1.9 0 0.0 3 3 1 1.0 2 1.3 3 1.9
Pseudosida ramosa (de Korovchinsky, 1992) 1 2.0 1 0.9 0 0.0 2 2 0 0.0 2 1.3 2 1.3
Sarsilatona serricauda (Sars 1901) 0 0.0 2 1.9 0 0.0 2 2 0 0.0 2 1.3 2 1.3
Scapholeberis armata (Herrick, 1882) 2 4.1 0 0.0 0 0.0 2 2 0 0.0 2 1.3 2 1.3
Simocephalus acutirostris (de Gauthier, 1939) 3 6.1 7 6.5 2 3.6 8 8 4 3.8 6 3.8 10 6.4
Simocephalus latirostris Stingelin, 1906 3 6.1 3 2.8 3 5.4 3 3 0 0.0 7 4.5 6 3.8
Simocephalus mixtus Sars 1903 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Simocephalus serrulatus (Koch 1841) 0 0.0 1 0.9 1 1.8 0 0 0 0.0 1 0.6 1 0.6
Streblocerus pygmaeus Sars, 1901 5 10.2 0 0.0 5 8.9 0 0 1 1.0 5 3.2 5 3.2
Rotifera Species Climatic zone Lake origin Habitat All ecosystems
Atlantic Forest Caatinga Natural lake Reservoir Pelagic Littoral  
n = 50 n = 103 n = 54 n = 99 n = 99 n = 153 n =153
TN % TN % TN % TN % TN % TN % TN %
Rotifera                            
Anuraeopsis coelata Beauchamp, 1932 0 0 7 6.8 0 0.0 7 7.1 5 5.1 8 5.2 7 4.6
Anuraeopsis fissa (Gosse, 1851) 4 8 8 7.8 2 3.7 10 10.1 9 9.1 8 5.2 12 7.8
Anuraeopsis navicula Rousselet, 1911 2 4 8 7.8 3 5.6 7 7.1 8 8.1 5 3.3 10 6.5
Ascomorpha ecaudis Perty, 1850 2 4 1 1.0 1 1.9 2 2.0 3 3.0 1 0.7 3 2.0
Ascomorpha saltans Bartsch, 1870 21 42 20 19.4 14 25.9 27 27.3 24 24.2 34 22.2 41 26.8
Beauchampiella eudactylota (Gosse, 1886) 1 2 0 0.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Brachionus angularis Gosse, 1851 10 20 32 31.1 9 16.7 33 33.3 22 22.2 35 22.9 42 27.5
Brachionus austrogenitus Ahlstrom, 1940 2 4 2 1.9 2 3.7 2 2.0 0 0.0 12 7.8 4 2.6
Brachionus bidentatus Anderson, 1889 10 20 8 7.8 8 14.8 10 10.1 0 0.0 1 0.7 18 11.8
Brachionus budapestinensis Daday, 1885 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Brachionus calyciflorus Pallas, 1766 15 30 34 33.0 15 27.8 34 34.3 26 26.3 34 22.2 49 32.0
Brachionus caudatus Barrois & Daday, 1894 6 12 16 15.5 7 13.0 15 15.2 10 10.1 16 10.5 22 14.4
Brachionus dimidiatus Bryce, 1931 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Brachionus diversicornis (Daday, 1883) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Brachionus dolabratus Harring, 1914 11 22 20 19.4 5 9.3 26 26.3 20 20.2 25 16.3 31 20.3
Brachionus falcatus Zacharias, 1898 21 42 45 43.7 21 38.9 45 45.5 29 29.3 57 37.3 66 43.1
Brachionus forficula Wierzejski, 1891 0 0 2 1.9 0 0.0 2 2.0 1 1.0 1 0.7 2 1.3
Brachionus havanaensis Rousselet, 1911 26 52 49 47.6 23 42.6 52 52.5 43 43.4 55 35.9 75 49.0
Brachionus leydigii Cohn, 1862 2 4 3 2.9 2 3.7 3 3.0 0 0.0 5 3.3 5 3.3
Brachionus mirus Daday, 1905 1 2 0 0.0 0 0.0 1 1.0 1 1.0 0 0.0 1 0.7
Brachionus plicatilis Müller, 1786 3 6 50 48.5 10 18.5 43 43.4 41 41.4 47 30.7 53 34.6
Brachionus quadridentatus Kertész, 1894 7 14 20 19.4 10 18.5 17 17.2 0 0.0 28 18.3 27 17.6
Brachionus satanicus Rousselet, 1911 1 2 0 0.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Brachionus urceolaris Müller, 1773 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Cephalodella elegans Myers, 1924 1 2 0 0.0 0 0.0 1 1.0 1 1.0 0 0.0 1 0.7
Cephalodella forficata (Ehrengerg, 1832) 1 2 1 1.0 1 1.9 1 1.0 2 2.0 0 0.0 2 1.3
Collotheca trilobata (Collins, 1872) 0 0 1 1.0 0 0.0 1 1.0 1 1.0 0 0.0 1 0.7
Colurella adriatica Ehrenberg, 1831 0 0 2 1.9 0 0.0 2 2.0 1 1.0 1 0.7 2 1.3
Colurella geophila Donner, 1851 0 0 4 3.9 2 3.7 2 2.0 0 0.0 4 2.6 4 2.6
Colurella obtusa (Gosse, 1886) 4 8 5 4.9 3 5.6 6 6.1 1 1.0 8 5.2 9 5.9
Conochilus unicornis Rousselet, 1892 1 2 6 5.8 3 5.6 4 4.0 0 0.0 7 4.6 7 4.6
Dicranophoroides caudatus (Ehrenberg, 1834) 1 2 2 1.9 1 1.9 2 2.0 0 0.0 3 2.0 3 2.0
Dipleuchlanis propatula (Gosse, 1986) 4 8 5 4.9 4 7.4 5 5.1 0 0.0 9 5.9 9 5.9
Epiphanes macroura (Barrois & Daday, 1894) 0 0 2 1.9 1 1.9 1 1.0 0 0.0 2 1.3 2 1.3
Euchlanis alata Voronkov, 1912 1 2 0 0.0 1 1.9 0 0.0 1 1.0 0 0.0 1 0.7
Euchlanis deflexa Gosse, 1851 2 4 0 0.0 2 3.7 0 0.0 1 1.0 1 0.7 2 1.3
Euchlanis dilatata Ehrengerg, 1830 5 10 4 3.9 3 5.6 6 6.1 2 2.0 7 4.6 9 5.9
Euchlanis incisa Carlin, 1939 1 2 3 2.9 3 5.6 1 1.0 1 1.0 3 2.0 4 2.6
Euchlanis lyra Hudson, 1886 0 0 1 1.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Euchlanis meneta Myers, 1930 1 2 2 1.9 2 3.7 1 1.0 0 0.0 3 2.0 3 2.0
Euchlanis triquetra Ehrenberg, 1838 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Filinia longiseta (Ehrengerg, 1834) 20 40 39 37.9 18 33.3 41 41.4 43 43.4 41 26.8 59 38.6
Filinia opoliensis (Zacharias, 1898) 1 2 20 19.4 2 3.7 19 19.2 12 12.1 15 9.8 21 13.7
Filinia pejleri Hutchinson, 1964 1 2 0 0.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Filinia terminalis (Plate, 1886) 11 22 7 6.8 6 11.1 12 12.1 0 0.0 18 11.8 18 11.8
Gastropus hyptopus (Ehrengerg, 1838) 2 4 0 0.0 1 1.9 1 1.0 2 2.0 0 0.0 2 1.3
Gastropus stylifer Imhof, 1891 0 0 2 1.9 0 0.0 2 2.0 2 2.0 0 0.0 2 1.3
Hexarthra fennica (Levander, 1892) 0 0 2 1.9 0 0.0 2 2.0 0 0.0 2 1.3 2 1.3
Hexarthra intermedia (Wiszniewski, 1929) 6 12 24 23.3 8 14.8 22 22.2 29 29.3 15 9.8 30 19.6
Hexarthra mira (Hudson, 1871) 6 12 15 14.6 4 7.4 17 17.2 17 17.2 17 11.1 21 13.7
Keratella americana Carlin, 1943 27 54 23 22.3 16 29.6 34 34.3 29 29.3 36 23.5 50 32.7
Keratella cochlearis (Gosse, 1851) 1 2 5 4.9 0 0.0 6 6.1 5 5.1 4 2.6 6 3.9
Keratella lenzi Hauer, 1953 9 18 8 7.8 3 5.6 14 14.1 6 6.1 15 9.8 17 11.1
Keratella procurva (Thorpe, 1891) 0 0 1 1.0 0 0.0 1 1.0 2 2.0 2 1.3 1 0.7
Keratella tropica (Apstein, 1907) 22 44 43 41.7 23 42.6 42 42.4 36 36.4 50 32.7 65 42.5
Lacinularia flosculosa (Müller, 1773) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Lecane aculeata (Jakubski, 1912) 2 4 1 1.0 3 5.6 0 0.0 0 0.0 3 2.0 3 2.0
Lecane agilis (Bryce, 1892) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Lecane bulla (Gosse, 1851) 31 62 38 36.9 34 63.0 35 35.4 20 20.2 61 39.9 69 45.1
Lecane calcaria Harring & Myers, 1926 2 4 1 1.0 0 0.0 3 3.0 0 0.0 2 1.3 3 2.0
Lecane candida Harring & Myers, 1926 0 0 2 1.9 1 1.9 1 1.0 1 1.0 1 0.7 2 1.3
Lecane clara (Bryce, 1892) 1 2 0 0.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Lecane closterocerca (Schmarda, 1859) 3 6 2 1.9 3 5.6 2 2.0 2 2.0 3 2.0 5 3.3
Lecane cornuta (Müller, 1786) 10 20 19 18.4 13 24.1 16 16.2 0 0.0 29 19.0 29 19.0
Lecane crepida Harring, 1914 2 4 3 2.9 1 1.9 4 4.0 5 5.1 0 0.0 5 3.3
Lecane curvicornis (Murray, 1913) 3 6 1 1.0 1 1.9 3 3.0 2 2.0 3 2.0 4 2.6
Lecane doryssa (Harring, 1914) 0 0 2 1.9 0 0.0 2 2.0 2 2.0 0 0.0 2 1.3
Lecane furcata (Murray, 1913) 6 12 3 2.9 4 7.4 5 5.1 2 2.0 8 5.2 9 5.9
Lecane gillardi Bērziņš, 1960 0 0 2 1.9 0 0.0 2 2.0 1 1.0 1 0.7 2 1.3
Lecane glypta Harring & Myers, 1926 2 4 2 1.9 2 3.7 2 2.0 0 0.0 4 2.6 4 2.6
Lecane grandis (Murray, 1913) 0 0 3 2.9 1 1.9 2 2.0 0 0.0 3 2.0 3 2.0
Lecane hamata (Stokes, 1896) 7 14 17 16.5 6 11.1 18 18.2 6 6.1 19 12.4 24 15.7
Lecane harringi (Ahlstom, 1934) 1 2 3 2.9 2 3.7 2 2.0 2 2.0 2 1.3 4 2.6
Lecane hastata (Murray, 1913) 0 0 4 3.9 4 7.4 0 0.0 0 0.0 4 2.6 4 2.6
Lecane hornemanni (Ehrenberg, 1834) 3 6 1 1.0 2 3.7 2 2.0 0 0.0 4 2.6 4 2.6
Lecane imbricata Carlin, 1939 1 2 0 0.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Lecane inopinata Harring & Myers, 1926 0 0 2 1.9 0 0.0 2 2.0 0 0.0 2 1.3 2 1.3
Lecane kluchor Tarnogradsky, 1930 0 0 5 4.9 3 5.6 2 2.0 3 3.0 2 1.3 5 3.3
Lecane lamellata (Daday, 1893) 1 2 1 1.0 2 3.7 0 0.0 2 2.0 1 0.7 2 1.3
Lecane leontina (Turner, 1892) 15 30 5 4.9 10 18.5 10 10.1 3 3.0 20 13.1 20 13.1
Lecane ludwigii (Eckstein, 1883) 9 18 2 1.9 4 7.4 7 7.1 3 3.0 10 6.5 11 7.2
Lecane luna (Müller, 1776) 17 34 18 17.5 16 29.6 19 19.2 3 3.0 32 20.9 35 22.9
Lecane lunaris (Ehrenberg, 1832) 27 54 18 17.5 25 46.3 20 20.2 13 13.1 43 28.1 45 29.4
Lecane monostyla (Daday, 1897) 5 10 1 1.0 4 7.4 2 2.0 2 2.0 6 3.9 6 3.9
Lecane nana (Murray, 1913) 14 28 8 7.8 14 25.9 8 8.1 4 4.0 19 12.4 22 14.4
Lecane obtusa (Murray, 1913) 3 6 6 5.8 3 5.6 6 6.1 4 4.0 6 3.9 9 5.9
Lecane opias (Harring & Myers, 1926) 1 2 4 3.9 3 5.6 2 2.0 3 3.0 2 1.3 5 3.3
Lecane papuana (Murray, 1913) 9 18 15 14.6 11 20.4 13 13.1 0 0.0 24 15.7 24 15.7
Lecane pertica (Harring & Myers, 1926) 3 6 0 0.0 2 3.7 1 1.0 1 1.0 2 1.3 3 2.0
Lecane pustulosa Myers, 1938 1 2 0 0.0 1 1.9 0 0.0 1 1.0 0 0.0 1 0.7
Lecane pyriformis (Daday, 1905) 11 22 11 10.7 9 16.7 13 13.1 7 7.1 17 11.1 22 14.4
Lecane quadridentata (Ehrenberg, 1830) 8 16 7 6.8 9 16.7 6 6.1 1 1.0 14 9.2 15 9.8
Lecane scutata (Harring & Myers, 1926) 2 4 4 3.9 3 5.6 3 3.0 4 4.0 3 2.0 6 3.9
Lecane spinulifera Edmondson, 1935 1 2 6 5.8 4 7.4 3 3.0 6 6.1 5 3.3 7 4.6
Lecane stichaea Harring, 1913 25 50 24 23.3 28 51.9 21 21.2 24 24.2 41 26.8 49 32.0
Lecane unguitata (Fadeev, 1925) 1 2 0 0.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Lecane venusta Harring & Myers, 1926 4 8 2 1.9 5 9.3 1 1.0 5 5.1 1 0.7 6 3.9
Lepadella acuminata (Ehrenberg, 1834) 1 2 0 0.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Lepadella apsida Harring, 1916 0 0 1 1.0 0 0.0 1 1.0 1 1.0 0 0.0 1 0.7
Lepadella cristata (Rousselet, 1893) 1 2 0 0.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Lepadella glossa Wulfert, 1960 6 12 1 1.0 5 9.3 2 2.0 2 2.0 5 3.3 7 4.6
Lepadella monodactyla Bērziņš, 1960 1 2 0 0.0 1 1.9 0 0.0 1 1.0 0 0.0 1 0.7
Lepadella ovalis (Müller, 1786) 5 10 4 3.9 6 11.1 3 3.0 4 4.0 8 5.2 9 5.9
Lepadella patella (Muller, 1773) 17 34 25 24.3 25 46.3 17 17.2 10 10.1 36 23.5 42 27.5
Macrochaetus collinsii (Gosse, 1867) 1 2 0 0.0 1 1.9 0 0.0 1 1.0 0 0.0 1 0.7
Macrochaetus longipes Myers, 1934 0 0 1 1.0 0 0.0 1 1.0 1 1.0 0 0.0 1 0.7
Macrochaetus sericus (Thorpe, 1893) 15 30 5 4.9 8 14.8 12 12.1 6 6.1 17 11.1 20 13.1
Monommata maculata Harring & Myers, 1930 2 4 0 0.0 2 3.7 0 0.0 0 0.0 2 1.3 2 1.3
Mytilina bicarinata (Perty, 1850) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Mytilina ventralis (Ehrenberg, 1830) 3 6 8 7.8 4 7.4 7 7.1 1 1.0 11 7.2 11 7.2
Notholca michiganensis Stemberger, 1976 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Parencentropsis mittiae Sudzuk, 1960 1 2 0 0.0 1 1.9 0 0.0 1 1.0 0 0.0 1 0.7
Plationus patulus (Müller, 1786) 8 16 19 18.4 11 20.4 16 16.2 0 0.0 0 0.0 27 17.6
Platyias quadricornis (Ehrenberg, 1832) 11 22 9 8.7 10 18.5 10 10.1 2 2.0 19 12.4 20 13.1
Polyarthra dolichoptera Idelson, 1925 0 0 6 5.8 1 1.9 5 5.1 5 5.1 4 2.6 6 3.9
Polyarthra vulgaris Carlin, 1943 18 36 35 34.0 27 50.0 26 26.3 25 25.3 17 11.1 53 34.6
Proales globulifera (Hauer, 1921) 2 4 0 0.0 2 3.7 0 0.0 2 2.0 26 17.0 2 1.3
Proalinopsis caudata (Collins, 1872) 0 0 1 1.0 0 0.0 1 1.0 1 1.0 0 0.0 1 0.7
Ptygura melicerta Ehrenberg, 1832 2 4 1 1.0 3 5.6 0 0.0 2 2.0 1 0.7 3 2.0
Ptygura pedunculata Edmondson, 1939 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Scaridium longicauda (Müller, 1786) 4 8 4 3.9 6 11.1 2 2.0 4 4.0 4 2.6 8 5.2
Squatinella rostrum (Schmarda, 1846) 0 0 1 1.0 0 0.0 1 1.0 0 0.0 1 0.7 1 0.7
Testudinella parva (Ternetz, 1892) 1 2 0 0.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Testudinella patina (Hermman, 1783) 15 30 10 9.7 15 27.8 10 10.1 1 1.0 24 15.7 25 16.3
Trichocerca braziliensis (Murray, 1913) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Trichocerca cylindrica (Imhof, 1891) 4 8 2 1.9 2 3.7 4 4.0 4 4.0 4 2.6 6 3.9
Trichocerca elongata (Gosse, 1886) 5 10 1 1.0 4 7.4 2 2.0 0 0.0 6 3.9 6 3.9
Trichocerca insignis (Herrick, 1885) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Trichocerca insulana (Hauer, 1937) 1 2 0 0.0 0 0.0 1 1.0 0 0.0 2 1.3 1 0.7
Trichocerca intermedia (Stenroos, 1898) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7
Trichocerca montana Hauer, 1956 3 6 1 1.0 3 5.6 1 1.0 0 0.0 4 2.6 4 2.6
Trichocerca pusilla (Jennings, 1903) 14 28 10 9.7 15 27.8 9 9.1 18 18.2 11 7.2 24 15.7
Trichocerca ruttneri Donner, 1953 1 2 12 11.7 4 7.4 9 9.1 13 13.1 6 3.9 13 8.5
Trichocerca similis (Wierzejski, 1893) 3 6 2 1.9 2 3.7 3 3.0 5 5.1 2 1.3 5 3.3
Trichotria brevidactyla Harring, 1913 0 0 3 2.9 1 1.9 2 2.0 0 0.0 3 2.0 3 2.0
Trichotria tetractis (Ehrenberg, 1830) 2 4 2 1.9 0 0.0 4 4.0 0 0.0 4 2.6 4 2.6
Tripleuchlanis plicata (Levander, 1894) 0 0 1 1.0 1 1.9 0 0.0 0 0.0 1 0.7 1 0.7

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