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FIGURES 30–32 in A new subgenus Oculogaster subgen. n. for viviparous representatives of Procloeon s. l., with discussion about status of the generic name Austrocloeon Barnard 1932 and the species name africanum Esben-Petersen 1913 [Cloeon] (Ephemeroptera, Baetidae)

FIGURES 30–32. Procloeon (Oculogaster) cylindroculum from Zambia. 30, genitals of male imago (at left half gonovectal muscles shown by interrupted lines, hidden part of penis shown by interrupted line and dotted, gonostylar muscle not shown; at right half gonostylar muscle shown by interrupted lines, gonovectal muscles not shown; median styligeral muscle shown by interrupted lines, areas of anterior attachment of median paraproctal muscles shown by dotted lines). 31, exuviae of subimaginal genitals; 32, wing. Abbreviations: 1, 2, 3, segments of gonostylus; mIX-X, areas of anterior attachment of median paraproctal muscles (i.e., muscles going from sternum IX to common base of paraprocts); usg, unistyliger.

FIGURES 59–64 in A new subgenus Oculogaster subgen. n. for viviparous representatives of Procloeon s. l., with discussion about status of the generic name Austrocloeon Barnard 1932 and the species name africanum Esben-Petersen 1913 [Cloeon] (Ephemeroptera, Baetidae)

FIGURES 59–64. Procloeon (Oculogaster) album sp. n., larva. 59, paracercus and cercus (with subimaginal cercus inside); 60, distal part of cercus; 61, posterior margin of abdominal tergum X; 62, fragment of abdominal tergum III; 63, fragment of abdominal sternum VI; 64, tergalius VI (arrow shows additional middle rib) (59, 60, holotype).

FIGURES 11–20 in A new subgenus Oculogaster subgen. n. for viviparous representatives of Procloeon s. l., with discussion about status of the generic name Austrocloeon Barnard 1932 and the species name africanum Esben-Petersen 1913 [Cloeon] (Ephemeroptera, Baetidae)

FIGURES 11–20. Procloeon (Oculogaster) cylindroculum, larva. 11–17, tergalii of I–VII pairs (specimen from Zambia); 18, frontal suture; 19, claw; 20, fore leg, anterior view (fine setae not shown; dots show bases of fine setae forming regular rows on apical part of femur, proximal part of tibia and proximal part of tarsus).

FIGURES 1–10 in A new subgenus Oculogaster subgen. n. for viviparous representatives of Procloeon s. l., with discussion about status of the generic name Austrocloeon Barnard 1932 and the species name africanum Esben-Petersen 1913 [Cloeon] (Ephemeroptera, Baetidae)

FIGURES 1–10. Procloeon (Oculogaster) cylindroculum, larva. 1–7, tergalii of I–VII pairs (specimen from Uganda); 8, 9, apices of left and right mandibles, dorsal view; 10, apex of right mandible, apical view. Abbreviations: in1, in2, in3, in4, denticles of incisor; in-V, ventral denticle of incisor; kd1, kd2, kd3, denticles of kinetodontium.

FIGURES 21–29 in A new subgenus Oculogaster subgen. n. for viviparous representatives of Procloeon s. l., with discussion about status of the generic name Austrocloeon Barnard 1932 and the species name africanum Esben-Petersen 1913 [Cloeon] (Ephemeroptera, Baetidae)

FIGURES 21–29. Procloeon (Oculogaster) cylindroculum, larvae from Zambia. 21, cercus and paracercus; 22, distal part of cercus; 23–25, abdominal terga and sterna; 26, right half of pronotum and mesonotum; 27, subimaginal exuviae of right half of mesonotum; 28, maxilla; 29, labrum.

FIGURES 76–79 in A new subgenus Oculogaster subgen. n. for viviparous representatives of Procloeon s. l., with discussion about status of the generic name Austrocloeon Barnard 1932 and the species name africanum Esben-Petersen 1913 [Cloeon] (Ephemeroptera, Baetidae)

FIGURES 76–79. Procloeon (Oculogaster) album sp. n., female imago. 76, 77, lateral and dorsal view; 78, 79, part of prothorax and part of abdomen with black eyes and ocelli of embryos visible through integument.

F I G U R E 5 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis

F I G U R E 5 Mean effect of stress and domperidone (DOM) treatment on follicular atresia in Gambusia affinis. Groups with identical superscripts indicate no significant difference (P <0.05; oneway ANOVA followed by Tukey's test; n = 10 in each experimental group; df = 49; F = 15.231)

F I G U R E 1 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis

F I G U R E 1 Mean effect of stress and domperidone (DOM) treatment on a total body mass (MT) and b total length (LT) in five different experimental groups of Gambusia affinis. Groups with identical superscripts indicate no significant difference (P <0.05; oneway ANOVA followed by Tukey's test (n = 10 in each experimental group; df = 49; F = 8.325)

F I G U R E 3 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis

F I G U R E 3 Photomicrographs of transverse sections of brain in Gambusia affinis showing the TH–immunoreactive (TH-ir) cells () and fibres () in different experimental groups: (a)–(c) initial control; (d)–(f) experimental control; (g)–(i) stress group; (j), (k) domperidone (DOM) treated group; (l)– (n) stress + DOM treated fish. Figures a, b, f, g & k-m are rhodamine labelled; other images are IHC labelled, wherein the colour was obtained after peroxidise action on chromogenic substrate, 3-amino–9-ethyl-carbazole. NPO, nucleus preopticus; POA, preoptic area; V, ventricle. Scale bar: (a) & (d) 200 μm; others 50 μm

F I G U R E 2 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis

F I G U R E 2 Photomicrographs of alexa fluor 488 labelled transverse sections through the proximal pars distalis (PPD) of the pituitary gland (P) in Gambusia affinis showing the GnRH-ir fibres (!) in (a), (b), initial control; (c), experimental control; (d), stress group; (e), domperidone (DOM) treated group; (f), stress + DOM treated fish. Scale bar: (a) 200 μm; (b)– (f) 50 μm

F I G U R E 4 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis

F I G U R E 4 Photomicrographs showing cross sections of the ovary Gambusia affinis from: (a), initial control; (b), experimental control; (c), (d) stress; (e), domperidone (DOM) treated; (f), stress + DOM treated groups. I, II, III, IV and V, stages of follicular development; AT, atretic follicle; ON, oogonial nest. Scale bar 200 μm

Figure 4 in Superfoetative viviparity in a Carboniferous chondrichthyan and reproduction in early gnathostomes

Figure 4. Foetal specimens of other Bear Gulch chondrichthyans. A, Delphyodontos dacriformes, CM35455, B–C, different species of cochliodonts, MV6207 and CM62713, respectively. Scale bars = 1 mm increments. A, abdomen; CS, cranial spines; D, dental structures; H, head; O, orbit; S, denticular scales; SP, fin spine; T, tail.

Figure 2 in Superfoetative viviparity in a Carboniferous chondrichthyan and reproduction in early gnathostomes

Figure 2. Pregnant Harpagofututor volsellorhinus, CM 35502. A, entire specimen, fossil side A. Scale bar = 1 cm. B, corresponding tracing of mother and foetuses. Scale bar = 1 cm. C, enlargement of foetal tracings in panel B. Scale bar = 1 cm. Abbreviations: G, pectoral girdle; H, first haemal spine; L, lower jaw articulation; NS, neural spine; O, orbit; OT, otic bulla; P, pectoral fin; Pf, foetal pectoral fin; R, rostrum; TP, tooth plates; V, vertebral elements; 1–5, foetal heads.

Figure 3 in Superfoetative viviparity in a Carboniferous chondrichthyan and reproduction in early gnathostomes

Figure 3. Relationship of head length to precaudal and total length for isolated specimens, with projections of foetal head lengths onto respective regression lines. Details and results of specimen measurement are identified in Table S1. Precaudal length: open symbols, R2 = 0.7339; total length: filled symbols, R2 = 0.7689. One isolated, immature specimen falls within the range of foetal head lengths and may have been an aborted foetus or newborn.

Figure 1 in Superfoetative viviparity in a Carboniferous chondrichthyan and reproduction in early gnathostomes

Figure 1. Pregnant Harpagofututor volsellorhinus, CM 81935. A, entire specimen, fossil side A. Scale bar = 1 cm. B, corresponding overlay rendition; head reconstructed using CM 35501, 37521 as reference base. Scale bar = 1 cm. C, high magnification of foetuses, fossil side B (counterpart to side A, rotated 180° counter-clockwise). D, overlay rendition of foetal heads and other skeletal elements from fossil side B. Image opacity reduced to 75% to improve contrast against line drawing overlay. Scale bar = 1 mm increments. E, contrast of cranial size between the largest (1) and a smaller (2) embryo with crania facing in opposite directions. Scale as in panel D. Abbreviations: G, pectoral girdle; H, first haemal spine; IF, interorbital fenestra; L, lower jaw (Meckel's cartilage) articulation; M, Meckel's cartilage; N, neurocranium; O, orbit; PR, preorbital process; SO, supraorbital ridge; TP, tooth plates; TPa, anterior upper tooth plate; TPp, posterior upper tooth plate; TPm, Meckel's cartilage tooth plate; V, vertebral elements; 1–4, foetal heads.

Figure 11 in Evolutionary systematics of the viviparous gastropod Sermyla (Gastropoda: Cerithioidea: Thiaridae), with the description of a new species

Figure 11. Anatomy of the radula in Sermyla. A, rachis and lateralia of Sermyla kupaensis (ZMB 191388). B, marginalia of Sermyla kupaensis (ZMB 191388). C, rachis and lateralia of S. riquetii (BMNH 2403). D, marginalia of S. riquetii (BMNH 2403). E, rachis and lateralia of S. carbonata (ZMB 106700). F, marginalia of S. carbonata (ZMB 106700).

Figure 10 in Evolutionary systematics of the viviparous gastropod Sermyla (Gastropoda: Cerithioidea: Thiaridae), with the description of a new species

Figure 10. Non-metric dimensional scaling (NMDS) on the complete AFLP dataset. Coloured symbols indicate the same cluster; black symbols indicate that a direct cluster affiliation is not possible for that individual. Note for S. carbonata: all colored asterisks are the same cluster.

Figure 7 in Evolutionary systematics of the viviparous gastropod Sermyla (Gastropoda: Cerithioidea: Thiaridae), with the description of a new species

Figure 7. Neighbor-net analysis of AFLP data based on five primer combinations and a matrix corrected by AMARE; coloration of Sermyla kupaensis, S. riquetii and S. carbonata according to their sampling locations and river systems, additional colors represent additional thiarid species. Only one individual had a mixed genotype and was not clearly associated with one of the clusters.

Figure 8 in Evolutionary systematics of the viviparous gastropod Sermyla (Gastropoda: Cerithioidea: Thiaridae), with the description of a new species

Figure 8. Structure analysis of AFLP data based on five primer combinations and a matrix corrected by AMARE. A, structure analysis of the AFLP dataset under the assumption of admixture (limited gene flow). B, structure analysis of the AFLP dataset under the assumption without admixture (no gene flow).

Figure 5 in Evolutionary systematics of the viviparous gastropod Sermyla (Gastropoda: Cerithioidea: Thiaridae), with the description of a new species

Figure 5. Morphological differences of Sermyla kupaensis, S.riquetii and S. carbonata populations. A, boxplots for the height measurements of Sermyla kupaensis, S.riquetii and S. carbonata from the different sampling locations and river systems. Five-pointed star: syntypes of S. riquetii; six-pointed stars: syntypes of M. venustula; triangle tip down: holotype of S. prognata; nine-pointed star: syntypes of S. carbonata. B, boxplots for the total amount of juveniles inside the brood pouch of S.riquetii and S. carbonata from different sampling locations and drainage systems, as well as a veliger larva from Sermyla kupaensis for comparison.