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FIG. 15. — Benthonellania alis n in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 15. — Benthonellania alis n. sp.: A-C, specimen, height 3.7 mm, width 2.15 mm, Australes: BENTHAUS Stn DW2020, 920-930 m, 22°37'S, 152°49'W, MNHN; D-G, holotype, height 3.35,width 1.87 mm, Australes:BENTHAUS Stn DW2010 520-950 m, 22°32'S, 151°21'W, MNHN-IM-2000-37685; H, paratype, Australes: BENTHAUS Stn DW2010, 520-950 m, 22°32'S, 151°21'W, MNHN-IM-2000-37686, detail of the teleoconch sculpture spiral on the last whorl. Scale bars: D, 0.25 mm; H, 0.50 mm.
FIG. 11 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 11. — Benthonellania aequatorialis (Thiele, 1925) n. comb., syntypes: A-C, height 1.8 mm; D, height 1.95 mm; E, original label; F, original drawing (Thiele 1925, 84, pl. 6, fig. 23); G, syntype, detail of the first whorls; Valdivia Stn 199, ZMB-64973. Scale bar: G, 0.25 mm.
FIG. 2. — Benthonella boucheti n in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 2. — Benthonella boucheti n. sp.: A-C, holotype, height 4.32 mm, width 2.75 mm, Tarava Seamounts:TARASOC Stn DW3340 787-798 m 18°24'S, 154°09'W (MNHN- IM-2000-37666); D-G, specimen, height 3.75 mm, width 2.6 mm, Australes: BENTHAUS Stn DW1933 500-850 m 24°41'S, 146°01'W, MNHN. Scale bar: G, 0.50 mm.
FIG. 6 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 6. — Benthonellania precipitata (Dall, 1889) n. comb.: A-D, holotype (MCZ–7470), height 3.92 mm; D, detail of the first whorls; E, relevant page of the Catalogue of Mollusca in the Museum of Comparative Zoology (photo by Alana Rivera). Scale bar: D, 0.25 mm.
FIG. 10. — Benthonellania thielei n in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 10. — Benthonellania thielei n. sp., Valdivia Stn 251, East Africa, 693 m depth: A-C, holotype, height 3.05 mm width 1.92 mm, ZMB/Moll. No. 64955a; D-F, paratype, height 2.8 mm, ZMB/Moll. No. 64955b; G-L, paratype, height 2.97 mm, ZMB/Moll. No. 64955b; J, K, detail of the first whorls, L, detail of the spiral sculpture on the last teleoconch whorl; M, original label; N, original drawing (Thiele 1925, 83, pl. 6, fig. 21). Scale bars: J, K, L, 0.50 mm.
FIG. 5 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 5. — Benthonella spp. (SEM): A-E, Benthonella boucheti n. sp. holotype, MNHN-IM-2000-37666, Tarava Seamounts, height 4.32 mm: A, shell; B, C, detail of the protoconch microsculture; D, detail of the teleoconch sculpture spiral; E, detail of the first whorls; F, G, Benthonella basistriata n. sp. holotype, MNHN- IM-2000-37668, Tuamotu, height 2.0 mm: F, shell; G, detail of the protoconch microsculture; H-J, Benthonella communis n. sp., holotype, MNHN-IM-2000-37670, Tarava Seamounts: height 2.2 mm; H, shell; I, J, detail of the protoconch microsculture. Scale bars: B, 40 μm; C, J, 20 μm; D, E, I, 100 μm; G, 50 μm.
FIG. 8 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 8. — Benthonellania africana (Thiele, 1925) n. comb.: A-C, lectotype, height 3.85 mm; D-F, paralectotype height 3.7 mm; G-I, paralectotype, height 3.35 mm; Valdivia Stn 251, ZMB–64955; J, K, paralectotype, detail of the first whorls; L, original label; M, original drawing (Thiele 1925, 83, pl. 6, fig. 20); N, paralectotype, detail of the teleoconch sculpture spiral on the last whorl. Valdivia Stn 251, ZMB–64955. Scale bars: J, K, N, 0.50 mm.
FIG. 9 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 9. — Benthonellania spp. (SEM): A, B, Benthonellania hertzogi (Thiele, 1925), syntype, Agulhas-Bank (south of South Africa), height 2.85 mm, ZMB/Moll. no. 64981, shell (A), detail of the protoconch (B); C, D, Benthonella africana (Thiele, 1925) n. comb., lectotype, East Africa (off Somalia), height 3.85 mm, ZMB/ Moll. No. 64955a, shell (C), detail of the protoconch (D). Scale bars: B, D, 100 μm.
FIG. 4. — Benthonella communis n in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 4. — Benthonella communis n. sp.: A-C, holotype, height 2.2 mm, width 1.45 mm, Tarava Seamounts, TARASOC Stn DW3309 614-664 m 19°12'S, 15°35'W (MNHN-IM-2000-37670); D-F, specimen, height 2.35 mm, width 1.5 mm, Australes: BENTHAUS Stn DW1998 250-302 m 22°25'S, 151°22'W, MNHN; G, specimen, height 2.01 mm, width 1.35 mm, Australes: BENTHAUS Stn DW1998, 250-302 m, 22°25'S, 151°22'W, MNHN. Scale bars: E, F, 0.25 mm.
FIG. 7 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 7. — Benthonellania hertzogi (Thiele, 1925), syntypes, Valdivia Stn 109 (ZMB–64981): A-C, syntype, height 2.85 mm (ZMB-64981); D-F, syntype, height 2.47 mm (ZMB-64981); G, original label; H, original drawings (Thiele 1925, 82, pl. 6, fig. 15, 16); I, J, syntype (A-C), detail of the first whorls. Scale bars: I, J: 0.25 mm.
FIG. 1 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 1. — Map of French Polynesia with the sampling stations (◯) that yielded material examined in this revision.
FIG. 13 in Deep-water Rissoidae of the genera Benthonella Dall, 1889 and Benthonellania Lozouet, 1990 (Gastropoda, Caenogastropoda, Rissooidea) from French Polynesia
FIG. 13. — Maps of the known distribution of: A, Benthonellania hertzogi (◯), and Benthonellania thielei n. sp. and Benthonellania africana (Thiele, 1925) n. comb. (both); B, Benthonellania aequatorialis (Thiele, 1925) n. comb.
Fig. 1 in Reproductive morphology of the genus Parafossarulus Annandale, 1924 (Caenogastropoda: Rissooidea: Bithyniidae) with comments on its taxonomy and distribution
Fig. 1. Transverse histological sections of Parafossarulus manchouricus female through proximal one-third of pallial oviduct: A – section through the beginning of albumen gland surrounded by connective tissue; B – section through the pallial oviduct including upper part of seminal receptacle; C – section through pallial oviduct on the level of opening of seminal receptacle; D – section through pallial oviduct distal to opening of seminal receptacle. Abbreviations: acg – accessory gland of the penis, ag – albumen gland, bc – bursa copulatrix, ca – ciliated area, cg – capsule gland, chpo – slit-like channel of pallial oviduct (uterus), cnt – connective tissue, c – ctenidium, dg – digestive gland, egf – egg guide fold, osr – opening of seminal receptacle, pd – prostate diverticula, sg – sperm gutter, sr – seminal receptacle, sv – seminal vesicles, t – testis, vd – vas deferens.
Fig. 2 in Reproductive morphology of the genus Parafossarulus Annandale, 1924 (Caenogastropoda: Rissooidea: Bithyniidae) with comments on its taxonomy and distribution
Fig. 2. Transverse histological sections of the male Parafossarulus chaperi through different parts of gonoduct: A – section through gonadial part, showing testis and digestive gland; B – section through renal part, showing proximal portion of renal digestive gland and seminal vesicles; C – section through pallial part of gonoduct, showing structure of prostate; D – section through pallial part of gonoduct, showing accessory gland of the penis. For abbreviations, see Fig. 1.
Figure 4 in Mortalidad y comportamiento de búsqueda de pareja en Pomacea canaliculata (Caenogastropoda: Ampullariidae)
Figure 4. Box plot of the snail's activity time (min) for all the activity and behaviour experiment, represented according to the sex of the experimental snail, the absence or presence of a partner and its sex.
Figure 1 in Mortalidad y comportamiento de búsqueda de pareja en Pomacea canaliculata (Caenogastropoda: Ampullariidae)
Figure 1. Arrangement of aquaria used to assess the activity and behaviour of snails in the presence of a congener of the same or different sex. R: clock; T: thermometer.
Figure 3 in Mortalidad y comportamiento de búsqueda de pareja en Pomacea canaliculata (Caenogastropoda: Ampullariidae)
Figure 3. Survivorship as a function of time (days) and treatment. The intersection with the horizontal line indicates the median of the survival time for each treatment. The rectangle (▯) that encloses the sex indicates the individual considered in the analysis in the treatments with both sexes. The crosses (x) indicate that the treatments were censored.
Fig. 23 in Nuovi idrobiidi freatobi e stigobi dell'Appennino Settentrionale in Piemonte, Liguria ed Emilia-Romagna (Gastropoda: Caenogastropoda: Hydrobiidae)
Fig. 23 - Conchiglie di Fissuria sossoi n. sp., olotipo (A) e paratipi (B-C). A-B) sorgente sulla riva destra del Torrente Stura, sulla sterrata per Casa Brusona (Masone, Alessandria), M. Bodon leg. 15/01/1995 (coll. MZUF GC/45293, GC/45294); C) permeazioni sul greto del T. Vezzulla, in riva sinistra, 500 m a monte della confluenza con il Torrente Stura (Masone, Alesssandria), M. Bodon leg. 01/05/1994 (coll. MZUF GC/45295). / Shells of Fissuria sossoi n. sp., holotype (A) and paratypes (B-C). A-B) spring on the right bank of the Stura stream, on the track to Casa Brusona (Masone, Alessandria), M. Bodon leg. 15/01/1995 (MZUF GC/45293, GC/45294); C) small springs on the riverbed of the Vezzulla stream, on the left bank, 500 m upstream the confluence of the Stura stream (Masone, Alesssandria), M. Bodon leg. 01/05/1994 (MZUF GC/45295).
Fig. 20 in Nuovi idrobiidi freatobi e stigobi dell'Appennino Settentrionale in Piemonte, Liguria ed Emilia-Romagna (Gastropoda: Caenogastropoda: Hydrobiidae)
Fig. 20 - Conchiglie di Fissuria varicosa n. sp., olotipo (A) e paratipi (B-L). A) risorgive nell'alveo del Torrente Borbera, 1 km ca. a monte di Vignole Borbera, al centro dell'alveo e in riva sinistra (Vignole Borbera, Alessandria), M. Bodon leg. 09/06/1991 (coll. MZUF GC/46036). B, G) risorgive nell'alveo del Torrente Borbera, in riva sinistra, 300 m ca. a monte della briglia a valle di Variano Inferiore (Vignole Borbera, Alessandria), M. Bodon leg. 20/02/1994 (coll. MZUF GC/46032); C) risorgive nell'alveo del Torrente Borbera, in riva destra, 300 m ca. a monte della briglia a valle di Variano Inferiore (Borghetto di Borbera, Alessandria), M. Bodon leg. 23/01/1994 (coll. MZUF GC/46034); D) risorgiva nell'alveo del Torrente Arda, in riva destra, in loc. La Colombara (Lugagnano Val d'Arda, Piacenza), M. Bodon, E. Bodon & S. Cianfanelli leg. 11/05/2014 (coll. MZUF GC/46037); E-F) risorgive nell'alveo del Torrente Borbera, in riva destra, 100 m a monte della briglia a valle di Variano Inferiore (Borghetto di Borbera, Alessandria), M. Bodon leg. 23/01/1994 (coll. MZUF GC/46031); H) risorgiva nell'alveo del Torrente Arda, in riva destra, 200 m a valle della loc. La Colombara (Lugagnano Val d'Arda, Piacenza), M. Bodon, E. Bodon & S. Cianfanelli leg. 11/05/2014 (coll. MZUF GC/46038); I) risorgiva nell'alveo del Torrente Borbera, in riva destra, al ponte di Variano (Borghetto di Borbera, Alessandria), M. Bodon leg. 22/08/1992 (coll. MZUF GC/45033); J-L) sorgente nella piana presso l'alveo del Torrente Spinti, in riva sinistra, di fronte a Costa Castagnighe (Grondona, Alessandria), M. Bodon leg. 20/07/1997 (coll. MZUF GC/46030). / Shells of Fissuria varicosa n. sp., holotype (A) and paratypes (B-L). A) alluvial springs in the riverbed of the Borbera stream, about 1 km upstream of Vignole Borbera, on the centre of the riverbed and on left bank (Vignole Borbera, Alessandria), M. Bodon leg. 09/06/1991 (MZUF GC/46036). B, G) alluvial springs in the riverbed of the Borbera stream, on left bank, about 300 m upstream of the dike downstream of Variano Inferiore (Vignole Borbera, Alessandria), M. Bodon leg. 20/02/1994 (MZUF GC/46032); C) alluvial springs in the riverbed of the Borbera stream, on right bank, about 300 m upstream of the dike, downstream of Variano Inferiore (Borghetto di Borbera, Alessandria), M. Bodon leg. 23/01/1994 (MZUF GC/46034); D) alluvial spring in the riverbed of the Arda stream, on right bank, in locality La Colombara (Lugagnano Val d'Arda, Piacenza), M. Bodon, E. Bodon & S. Cianfanelli leg. 11/05/2014 (MZUF GC/46037); E-F) alluvial springs in the riverbed of the Borbera stream, on the right bank, 100 m upstream the dike downstream of Variano Inferiore (Borghetto di Borbera, Alessandria), M. Bodon leg. 23/01/1994 (MZUF GC/46031); H) alluvial spring in the riverbed of the Arda stream, on right bank, 200 m down-nstream the locality La Colombara (Lugagnano Val d'Arda, Piacenza), M. Bodon, E. Bodon & S. Cianfanelli leg. 11/05/2014 (MZUF GC/46038); I) alluvial spring in the riverbed of the Borbera stream, on the right bank, at the bridge of Variano (Borghetto di Borbera, Alessandria), M. Bodon leg. 22/08/1992 (MZUF GC/45033); J-L) spring in the plain near the riverbed of the Spinti stream, on left bank, in front of Costa Castagnighe (Grondona, Alessandria), M. Bodon leg. 20/07/1997 (MZUF GC/46030).
Fig. 28 in Nuovi idrobiidi freatobi e stigobi dell'Appennino Settentrionale in Piemonte, Liguria ed Emilia-Romagna (Gastropoda: Caenogastropoda: Hydrobiidae)
Fig. 28 - Frequenza degli Idrobiidi campionati nelle posature dei bacini campionati (A), espressi come numero medio di conchiglie - 1 kg di detrito, e frequenza delle conchiglie (B) o degli esemplari viventi (C) nelle risorgive dei rispettivi bacini, espressi come percentuale di presenza di ciascuna specie sul totale dei campionamenti effettuati. / Frequency of the Hydrobiids collected in the alluvial debris of the examined basins (A), valued as mean number of shells - 1 kg of debris, and frequency of the shells (B) or living specimens (C) in the alluvial springs of the respective basins, expressed as percentage presence of each species on all samples.
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