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FIGURE 3 in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 3. Ovalona nuragica from small temporary pond near Laguna de Bonache, near Siles town, Jaén, Spain. A–J, parthenogenetic female. A, variability of labral keels; B, postabdomen; C, postanal margin of postabdomen; D, postabdominal claw; E, antennule; F–G, antenna; H–I, thoracic limb II; J, thoracic limb V; K–M, adult male. K, postabdomen; L, distal part of postabdomen; M, antennule.

FIGURE 1 in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 1. Ovalona nuragica from small temporary pond near Laguna de Bonache, near Siles town, Jaén, Spain. A, juvenile female of instar I; B, juvenile female of instar II; C–I, adult parthenogenetic female; C–D, lateral view; E, ventral margin of valves; F, setae from posterior part of ventral margin of valves; G, posteroventral angle of valves; H, head shield; I, head pores; J, ephippial female; K, adult male.

FIGURE 9 in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 9. Ovalona cambouei (Guerne & Richard, 1983) from paddy field near Shorkul' lake, Khoresm Area, Uzbekistan. A– H, parthenogenetic female. A, lateral view; B, ventral margin of valves; C, posteroventral margin of valves; D–E, headshield; F–G, head pores; H, postabdomen; I, ephippial female; J–K, adult male. J, lateral view; K, postabdomen.

FIGURE 6. A–E in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 6. A–E, Ovalona anastasia (Sinev, Alonso, Miracle & Sahuqillo, 2012), from Sinev et al., (2012). A–C, parthenogenetic female. A, lateral view; B, head pores; C, postabdomen; D–E, adult male. D, lateral view; E, postabdomen; F– G, Ovalona azorica (Frenzel & Alonso, 1988), from Sinev et al. (2012), parthenoghenetic female. F, head pores; G, postabdomen; H–L, Ovalona setulosa (Megard, 1967), from Sinev (2009). H–J, parthenogenetic female. A, lateral view; J, head pores; I, postabdomen; K–L, adult male. K, lateral view; L, postabdomen.

FIGURE 5. A–H in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 5. A–H, Ovalona nigra (Smirnov, 1996), from Kotov et al. (2010). A–E, parthenogenetic female. A, lateral view; B, head pores; C, middle segment of abdomen; D, postabdomen; E, postanal margin of postabdomen; F–H, adult male. F, lateral view; G, postabdomen; H, distal portion of postabdomen; I–K, Ovalona altiplana (Kotov, Sinev & Berrios, 2010), from Kotov et al. (2010), parthenogenetic female. I, lateral view; J, head pores; K, postabdomen; L–O, Ovalona anamariae (Sinev & Silvabriano, 2012), from Sinev & Silva-Briano (2012), parthenogenetic female. L, lateral view; M, ventral margin of valves; N, head pores; O, postabdomen.

FIGURE 8. A–D in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 8. A–D, Ovalona capensis (Rühe, 1921), parthenogenetic female, redrawn from Van Damme et al., 2013. A, lateral view; B, rostrum; C, head pores; D, postabdomen; E–H, Ovalona bromelicola (Smirnov, 1988) parthenogenetic female, from Sinev (2002b). E, lateral view; F, head pores; G, postabdomen; H, antennule; I–M, Ovalona glabra (Sars, 1901), I and K–M from Sinev & Silva-Briano (2012), J from Sinev (2001a). I–K, parthenogenetic female. I, lateral view; J, head pores; K, postabdomen; L–M, adult male. L, lateral view; M, postabdomen.

FIGURE 2 in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 2. Ovalona nuragica from small temporary pond near Laguna de Bonache, near Siles town, Jaén, Spain. A–E, parthenogenetic female; A–B, same specimen in lateral and latero-frontal view; C, head pores; D, main head pores; E, lateral head pore; F, ephippial female.

FIGURE 4 in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 4. Ovalona nuragica from small temporary pond near Laguna de Bonache, near Siles town, Jaén, Spain. A–E, thoracic limbs parthenogenetic female. A, limb I; B, exopodite of limb III; C, inner portion of limb III; D, exopodite of limb IV; E, inner portion of limb IV; F, adult male, limb I; G–K, parthenogenetic female with abnormal morphology of limbs; G, ejector hooks of limb I; H, endite 1 of limb I; I–J, inner portions of limbs III; K, inner portion of limb IV.

FIGURE 7. A–B in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 7. A–B, Ovalona weinecki (Studer, 1878), parthenogenetic female. A, lateral view, redrawn from Frey, 1988; B, postabdomen, redrawn from Van Damme & Dumont, 2008; C–G, Ovalona archeri (Sars, 1988), from Sinev (2002c). C–E, parthenogenetic female. C, lateral view; D, head pores; E, postabdomen; F–G, adult male. F, lateral view; G, postabdomen; H– N, Ovalona aguascalientensis (Sinev & Silva-Briano, 2012), from Sinev & Silva-Briano (2012). H–L, parthenogenetic female. H, lateral view; I, posteroventral margin of valves; J–K, head pores; L, postabdomen; M–N, adult male. M, lateral view; N, postabdomen.

FIGURE 11. A–C in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 11. A–C, Ovalona karelica Stenroos, redrawn from Hudec (2010). A–B, parthenogenetic female. A, lateral view; B, postabdomen; C, postabdomen of adult male; D–N, Ovalona pulchella (King, 1853). D–F, parthenogenetic female from Australia, from Sinev (2001b). D, lateral view; E, head pores. F, postabdomen; G–N, specimens from Tasmania, G–I, parthenogenetic female. G, lateral view; H, head pores; I, postabdomen; J–N, adult male. J, lateral view; K, postabdomen; L, antennule and outline of rostrum; M, limb I; N, IDL of limb I.

FIGURE 10 in Revision of the pulchella - group of Alona s. lato leads to its translocation to Ovalona Van Damme et Dumont, 2008 (Branchiopoda: Anomopoda: Chydoridae)

FIGURE 10. Ovalona cambouei (Guerne & Richard, 1983) from paddy field near Shorkul' lake, Khoresm Area, Uzbekistan. A–N, parthenogenetic female. A–B, labrum; C, antennule; D, antenna; E, limb I; F, IDL and ODL of limb I; G, limb II; H, exopodite of limb III; I–J, inner portion of limb III; K, exopodite of limb IV; L–M, inner portion of limb IV. N, limb V. O–Q, adult male. O, limb I; P. copulatory hook and IDL of limb I; Q, antennule.

FIGURE 4 in A new subspecies of Ovalona setulosa (Megard, 1967) (Cladocera: Anomopoda: Chydoridae) from the Caribbean coast of Colombia

FIGURE 4. Alona setulosa arangureni ssp. nov. from Laguna Navio Quebrado, Colombia (type locality), adult male. A, lateral view. B–C, postabdomen. D, copulatory hook of limb I.

FIGURE 2 in A new subspecies of Ovalona setulosa (Megard, 1967) (Cladocera: Anomopoda: Chydoridae) from the Caribbean coast of Colombia

FIGURE 2. Alona setulosa arangureni ssp. nov. from Laguna Navio Quebrado, Colombia (type locality), parthenogenetic female. A, adult parthenogenetic female, general view. B, head shield. C, labrum. D, postabdomen. E, antennule. F, antenna.

FIGURE 3 in A new subspecies of Ovalona setulosa (Megard, 1967) (Cladocera: Anomopoda: Chydoridae) from the Caribbean coast of Colombia

FIGURE 3. Alona setulosa arangureni ssp. nov. from Laguna Navio Quebrado, Colombia (type locality), parthenogenetic female. A, distal portion of mandible. B, IDL of thoracic limb I. C, endites of limb I. D, basal portion of limb I. E, limb II. F, exopodite of limb III.

FIGURE 1 in A new subspecies of Ovalona setulosa (Megard, 1967) (Cladocera: Anomopoda: Chydoridae) from the Caribbean coast of Colombia

FIGURE 1. Alona setulosa arangureni ssp. nov. from Laguna Navio Quebrado, Colombia (type locality). A–J, parthenogenetic female: A, lateral view; B, head shield; C, head pores; D, variants of main head pores morphology; E, labrum; F, postabdomen; G, postanal margin of postabdomen; H, postabdominal claw; I, inner distal lobe (IDL) of limb I; J, inner portion of limb IV. K–L, adult male: K, outline of the body; L, postabdomen.

FIGURE 15 in Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen.n. (Crustacea: Cladocera)

FIGURE 15. Biogeography of Ovalona gen. n. and the Alona elegans-group. Latter seems closely related to Coronatella, and needs removal from the genus Alona. Distribution of Ovalona weinecki sensu lato after Frey (1988) and Paggi (1987) and continental relict Ovalona meridionalis after Sinev (2006). Western populations of Ovalona in the Scotia Arc (closest to coast of Argentina) may belong to different species or subspecies (O. subantarctica). For A. elegans-group, distributions after Alonso (1996), Dumont et al. (1979) and Margaritora (1985). Latter has a Western Palaearctic distribution center with two possible disjunctions: South Africa (A. striolata, Sars 1916) and Mongolia (A. elegans?, Flössner et al. 2005). See text for comments. The central Saharan record of A. elegans is new, from Chad (Ounianga Kebir; Coll. Ugent, Leg. D. Verschuren).

FIGURE 12 in Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen.n. (Crustacea: Cladocera)

FIGURE 12. Coronatella holdeni (Green, 1962) = Alona holdeni Green, 1962, parthenogenetic females from Fesafari, Niger Basin, Nigeria. A. Habitus, lateral view; B. Body outline; C. Head pores; D. Labrum; E. Posteroventral corner; F. First antenna; G. Antenna; H. First exopod spine on antenna; I. Postabdomen.

FIGURE 7. Coronatella anemae n in Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen.n. (Crustacea: Cladocera)

FIGURE 7. Coronatella anemae n.sp., SEM parthenogenetic females from Socotra Island (Yemen). A. Head pores (from Qaysoh, Socotra); B. Second antenna (from Qaysoh); C. Postabdomen (Qaysoh); D. Postabdomen (Rewgid); E. Postabdomen (Noged), arrows indicate two conspicuous characters for C. anemae: long basal spine and well pronounced triangular preanal corner; F. First and second limb (Rewgid), ventral view.

FIGURE 6. Coronatella anemae n in Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen.n. (Crustacea: Cladocera)

FIGURE 6. Coronatella anemae n.sp. SEM of habitus, culture from Rewgid, Socotra Island (Yemen). A. Lateral view; B. Dorsal view; C. Anterior view; D. Ventral view. Scale bar indicates 100µm.

FIGURE 5. Coronatella anemae n in Further division of Alona Baird, 1843: separation and position of Coronatella Dybowski & Grochowski and Ovalona gen.n. (Crustacea: Cladocera)

FIGURE 5. Coronatella anemae n.sp. A. Habitus, lateral view (Red Sea Hills, Sudan); B. Habitus, lateral view (culture from Rewgid, Socotra Island); C. Body outline; D. Head shield (Red Sea Hills, Sudan); E. First antenna; F. Second antenna (Sudan); G. Labral keel (Noged, Socotra); H. Labral keel (Rewgid, Socotra); I. Labral keel (Sudan); J. Posteroventral valve corner (Sudan); K. Postabdomen (Sudan); L. Postabdomen (Sharjah, UAE).