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FIGURE 1 in A Georgian and an Iranian new species of Renea G. Nevill, 1880 enormously extend the genus's distribution (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 1. Extant (darker grey) and fossil (lighter grey) distribution of the genus Renea G. Nevill, 1880 (after Boeters et al. 1989 and Lika et al. 2021), and type localities of the new species. Triangle: Renea caucasica n. sp., circle: Renea nemethi n. sp.

FIGURE 10 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 10. Comparing conchological characters of Renea kobelti populations. A. Body whorl width plotted against body whorl height. B. Body whorl width plotted against the size of 10 rib spaces (see Fig. 2). Blue dots: Laç; red diamonds: Byshek Spring, holo- and paratype of Renea kobelti albanica; green triangles: Kelcyrë; black square: Bank of Kir River, paratype of R. kobelti albanica; white squares: Kameno, type locality of Renea kobelti; Drisht; orange squares: Kotor; blue diamond: Virpazar, paratype of R. kobelti albanica. Absolute dimensions are in mm.

FIGURE 9 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 9. Shells of Renea kobelti (A. J. Wagner, 1910). A–B. Byshek Spring, holotype of R. kobelti albanica (NHMW- 75000/E 16535). C–D. Virpazar, paratype of R. kobelti albanica (NHMW-75000/E 48623), E–F. Kelcyrë W 7 km (HNHM 104674). G–H. Bank of Kir River, paratype of R. kobelti albanica (NHMW-79000/K 53206). I–K. Laç (HNHM 104672) note that I and J are the same decollated specimen, whereas K illustrates the upper whorls of a not fully grown shell. L–M. Kameno (HNHM 104673). Scale bar = 1 mm.

FIGURE 7 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 7. Shells of Platyla procax Boeters, E. Gittenberger & Subai, 1989. A–B. Radetina pećina near Ilijino brdo, holotype (NHMW-75000/E 49291a). C. Radetina pećina near Ilijino brdo, paratype (NHMW-75000/E 49291b). D–F. Vallas (HNHM 104627). G. Prekal SW 4 km (HNHM 104630). H–I. Štegvaš Pass S 2 km (HNHM 104628). J–K. Drisht (HNHM 104633), L–M. Štegvaš Pass S 2 km (HNHM 104628). Scale bar = 1 mm.

FIGURE 6 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 6. Shells of Platyla species. A–N. Platyla similis (Reinhardt, 1880). A–B. Kudhës, holotype of Platyla ceraunorum (NHMW 111145). C–D. Lefkas, Poros (HNHM 74013). E–F. S of Ilias (HNHM 104634). G–H. Lefkas, Kaligoni, holotype of Hyalacme beieri (NHMW-79000/K-15565). I–J. Lefkas, Kaligoni (NHMW-75000/E-28625). K. Nisista (NHMW-79000/K 6708). L. Platanoussa (NHMW-79000/K 6709). M. Sidironero E 13 km (HNHM 104635). N. Kaçanik (NHMW 44425). O–R. Platyla gracilis (Clessin, 1877). O–P. W of Çajup Pass (HNHM 104652). Q–R. Suhë NE 6 km (HNHM 104651). Scale bar = 1 mm.

FIGURE 8 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 8. Comparing shell morphological characters of Platyla procax populations. A. Shell height plotted agains shell width. B. Shell height plotted agains the body whorl width: shell height ratio. Blue dots: Vallas; red diamonds: Radetina pećina, type series of P. procax; green triangles: Štegvaš Pass; black squares: Prekal; white squares: Drisht; blue diamond: Ðuravci, holotype of P. corpulenta. Absolute dimensions are in mm.

FIGURE 3 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 3. Shells of Platyla albanica Subai, 2012. A–B. holotype (HNHM 98721). C–D. Setë Gorge at Cidhnë (HNHM 104645). E–F. Gurri i Arrënit, paratype of P. corpulenta (HNHM 96803). G–H. Bushtricë Stream mouth N 6.7 km (HNHM 104647). I–J. Setë Gorge at Cidhnë (HNHM 104645). K–L. Ndërshenë N 3.5 km (HNHM 104644). Scale bar = 1 mm.

FIGURE 5 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 5. Shells of Platyla species. A–B. Platyla wilhelmi (A. J. Wagner, 1910), Qafë Shtiqë (HNHM 104660). C–F. Platyla feheri Subai, 2009. C–D. Drisht (HNHM 104648). E–F. Donji Murići S 2 km (HNHM 104650). Scale bar = 1 mm.

FIGURE 4 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 4. Shells of Platyla species. A–N. Platyla banatica (Rossmässler, 1842). A–B. Romania, Ordinkus Valley (HNHM 85669). C–D. Mt. Shënt (NHMW 41242). E–F. Mt. Maranaj (NHMW). G–H. N of Ruica Summit (HNHM 104639). I–K. Gjirokastër (HNHM 104641). L. Luzat (HNHM 104640). M–N. Monolithion (NHMW 85593). O–T. Platyla pinteri (Subai, 1976). O–Q. Igoumentisa S 5 km (HNHM 69740). R–T. Perama S 3 km (NHMW 85503). Scale bar = 1 mm.

FIGURE 2. Shell dimensions. H in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 2. Shell dimensions. H: shell height; W: shell width; H a: aperture height; W a: aperture width; H: body whorl height; b W : body whorl width; R*: 10 rib spaces, i.e. distance between a rib and the subsequent 10th rib in the mid-line of the body

FIGURE 1 in Contribution to the taxonomy and distribution of Aciculidae (Mollusca: Gastropoda: Caenogastropoda) in Albania and the surroundings

FIGURE 1. Distribution of Platyla and Renea species in and around Albania. A. Yellow: P. albanica; yellow star: type locality of P. albanica; red: P. feheri; red triangle pointing up: type locality of P. feheri. B. Black: P. banatica; red: P. pinteri; red triangle pointing up: type locality of P. pinteri; magenta: P. procax; magenta star pointing up: type locality of P. corpulenta; magenta star pointing down: type locality of P. procax. C. White: P. gracilis; white star: type locality of Acicula graeca; magenta: R. kobelti; magenta star pointing up: type locality of R. kobelti; magenta star pointing down: type locality of R. kobelti albanica. D. Red: P. similis; red star pointing up: type locality of Hyalacme beieri; red star pointing down: type locality of Platyla ceraunorum; purple: P. wilhelmi; purple star: type locality of P. wilhelmi.

FIGURE 7 in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 7. Distribution of Acicula species in the Caucasus Mts. The symbols marked with numbers (1: Surami range, 2: Manglisi, 3: Martkopi, 4: North Ossetia) do not represent georeferenced localities for Acicula moussoni O. Boettger, 1879 and Acicula parcelineata (Clessin, 1911).

FIGURE 1. A in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 1. A: An Acicula shell positioned with the axis of the shell on the y-axis and the aperture in the same plane as the objective, showing the location of the 18 landmarks used. B: counting of grooves on the last whorl. Images not to scale. Photos: B. Páll-Gergely.

FIGURE 9 in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 9. Acicula telum Páll-Gergely, n. sp. A: Greater Caucasus Mts, 13 km north-northeast from Sochi; (RMNH; REM- Foto: J.H.W. Krom); B: holotype (LN 10681, specimen1, SMF 366182); C: LN 10564, specimen1; D: LN 10697, specimen1; E: ex. LN 10357, specimen1; F: LN 10523, specimen1. Photos: B. Páll-Gergely except for A (images taken from Boettger et al. 1989).

FIGURE 3 in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 3. (A) Principal Components Analysis and (B) Canonical Variates Analysis for the studied Acicula species, and the ordinations of specimens, with 90% confidence ellipses, based on landmark data.

FIGURE 6. Acicula moussoni O. Boettger, 1879. A in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 6. Acicula moussoni O. Boettger, 1879. A: Iori1, specimen1; B: LP4S2, specimen1; C: LP7S3, specimen1; D: LN 7767, specimen1; E: LN 10651, specimen1; F: LN 10680, specimen1. All photos: B. Páll-Gergely.

FIGURE 2 in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 2. Means ± 95% Confidence Intervals of (A) Log centroid size, and (B) of the number of grooves, for the studied Acicula species, based on landmark data.

FIGURE 5 in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 5. Shells of Acicula species. A: Acicula limbata Reuss, 1861 (NHMW 2013/0572/0004). B–F: Acicula moussoni O. Boettger, 1879. B: SMF 23858a (labelled as "Acicula (Acicula) zilchi n. sp."); C: SMF 23858b (labelled as "Acicula (Acicula) zilchi n. sp."); D: LP2S3, specimen1; E: "Lectotype" of Acicula moussoni O. Boettger, 1879 (invalidly designated, SMF 4202a); F: F1940, specimen1 (ISU TM-T004-N, neotype, hereby designated). Photos: B. Páll-Gergely (A, C, D, F) and F. Walther (C, E).

FIGURE 10 in The genus Acicula W. Hartmann, 1821 in the Caucasus (Gastropoda: Caenogastropoda: Aciculidae)

FIGURE 10. Synoptic view of Caucasian Acicula. Upper left shell: Acicula limbata Reuss, 1861; other shells in the upper two rows: Acicula moussoni O. Boettger, 1879, third row: Acicula telum Páll-Gergely, n. sp., fourth row: Acicula parcelineata (Clessin, 1911).