Table 1 Sperm characteristics of the terrestrial gastropod species examined
Family | Species | Total sperm length (μm) | Sperm head length (μm) | Sperm head length in % of total sperm length | Relative sperm length (in % of maximum shell dimension) |
|---|---|---|---|---|---|
Succineidae | Succinea putris (Linnaeus 1758) | 478.8 ± 2.47 | 9.3 ± 0.13 | 1.9 ± 0.03 | 2.9 ± 0.02 |
Chondrinidae | Chondrina avenacea (Bruguière 1792) | 374.6 ± 5.23 | 6.0 ± 0.40 | 1.6 ± 0.09 | 6.3 ± 0.07 |
|  | Chondrina clienta (Westerlund 1883) | 336.6 ± 1.41 | 5.6 ± 0.34 | 1.7 ± 0.09 | 5.7 ± 0.02 |
|  | Abida secale (Draparnaud 1801) | 375.1 ± 2.71 | 6.7 ± 0.31 | 1.8 ± 0.08 | 5.4 ± 0.04 |
Lauriidae | Lauria cylindracea (Da Costa 1778) | 474.2 ± 4.01 | 11.7 ± 0.17 | 2.5 ± 0.05 | 13.2 ± 0.11 |
Orculidae | Orcula dolium (Draparnaud 1801) | 431.9 ± 4.68 | 9.5 ± 0.17 | 2.2 ± 0.06 | 6.1 ± 0.06 |
Pyramidulidae | Pyramidula pusilla (Vallot 1801) | 308.0 ± 7.46 | 8.6 ± 0.40 | 2.8 ± 0.07 | 13.2 ± 0.27 |
Vertiginidae | Vertigo pygmaea (Draparnaud 1801) | 207.9 ± 1.31 | 8.8 ± 0.49 | 4.2 ± 0.24 | 11.3 ± 0.06 |
|  | Columella columella (Martens 1830) | 176.6 ± 5.29 | 8.9 ± 0.43 | 5.0 ± 0.18 | 6.2 ± 0.18 |
Enidae | Ena montana (Draparnaud 1801) | 590.7 ± 6.41 | 11.8 ± 0.23 | 2.0 ± 0.06 | 4.2 ± 0.04 |
Clausiliidae | Clausilia rugosa (Draparnaud 1801) | 689.5 NA | 8.2 NA | 1.2 NA | 9.9 NA |
|  | Clausilia bidentata (Strøm 1765) | 781.8 ± 1.15 | 7.5 ± 1.14 | 1.0 ± 0.02 | 7.4 ± 0.01 |
| Â | Macrogastra plicatula (Draparnaud 1801) | 1209.8 NA | 13.0 NA | 1.1 NA | 9.1 NA |
| Â | Macrogastra ventricosa (Draparnaud 1801) | 1195.4 NA | 13.2 NA | 1.1 NA | 6.2 NA |
|  | Cochlodina laminata (Montagu 1803) | 1040.3 ± 1.47 | 10.7 ± 0.21 | 1.0 ± 0.02 | 7.1 ± 0.01 |
|  | Cochlodina fimbriata (Rossmässler 1835) | 1119.5 ± 5.94 | 10.1 ± 0.28 | 0.9 ± 0.03 | 7.4 ± 0.04 |
|  | Balea perversa (Linnaeus 1758) | 751.7 ± 0.45 | 8.7 ± 0.33 | 1.2 ± 0.05 | 8.5 ± 0.01 |
|  | Balea biplicata (Montagu 1803) | 1061.9 ± 10.95 | 12.6 ± 0.19 | 1.2 ± 0.02 | 6.2 ± 0.07 |
Bothriembryontidae | Discoleus aguirrei (Doering 1884) | 1215.9 ± 11.64 | 11.3 ± 0.50 | 0.9 ± 0.05 | 6.4 ± 0.05 |
|  | Discoleus ameghinoi (von Ihering 1908) | 1232.6 ± 10.73 | 10.7 ± 0.50 | 0.9 ± 0.05 | 5.9 ± 0.05 |
Odontostomidae | Plagiodontes patagonicus (d’Orbigny 1835) | 1340.9 ± 11.48 | 13.8 ± 0.15 | 1.0 ± 0.02 | 6.7 ± 0.05 |
|  | Cyclodontina (Ventania) avellanedae (Doering 1881) | 908.0 ± 11.36 | 12.6 ± 0.37 | 1.4 ± 0.04 | 4.1 ± 0.08 |
Strophocheilidae | Austroborus lutescens dorbignyi (Doering 1876) | 1050.7 ± 5.68 | 11.8 ± 0.30 | 1.1 ± 0.03 | 3.5 ± 0.02 |
Discidae | Discus rotundatus (Müller 1774) | 429.4 ± 3.48 | 9.0 ± 0.17 | 2.1 ± 0.02 | 7.6 ± 0.05 |
Oxychilidae | Oxychilus navarricus helveticus (Blum 1881) | 101.4 ± 0.65 | 7.7 ± 0.11 | 7.6 ± 0.16 | 1.3 ± 0.01 |
|  | Oxychilus draparnaudi (Beck 1837) | 188.9 ± 1.61 | 8.1 ± 0.02 | 4.3 ± 0.03 | 1.8 ± 0.01 |
|  | Aegopinella nitens (Michaud 1831) | 103.6 ± 2.29 | 7.6 ± 0.39 | 7.3 ± 0.33 | 1.2 ± 0.02 |
Zonitidae | Zonitoides nitidus (Müller 1774) | 185.3 ± 3.96 | 9.3 ± 0.10 | 5.0 ± 0.10 | 3.2 ± 0.06 |
Limacidae | Limax maximus Linnaeus 1758 | 242.4 ± 1.52 | 8.1 ± 0.40 | 3.4 ± 0.14 | – |
|  | Limax tenellus Müller 1774 | 160.2 ± 1.46 | 6.3 ± 0.07 | 3.9 ± 0.08 | – |
|  | Limax cinereoniger Wolf 1803 | 289.7 ± 0.66 | 8.4 ± 0.15 | 2.9 ± 0.06 | – |
Agriolimacidae | Deroceras reticulatum (Müller 1774) | 119.5 ± 0.59 | 7.9 ± 0.10 | 6.6 ± 0.06 | – |
Vitrinidae | Vitrina pellucida (Müller 1774) | 201.2 NA | 5.8 NA | 2.9 NA | 6.7 NA |
|  | Vitrinobrachium breve (Férussac 1821) | 267.0 NA | 7.6 NA | 2.9 NA | 5.0 NA |
Arionidae | Arion (ater) rufus (Linnaeus 1758) | 327.8 ± 3.99 | 7.0 ± 0.22 | 2.1 ± 0.09 | – |
|  | Arion vulgaris (Moquin-Tandon 1855) | 340.7 NA | 6.6 NA | 1.9 NA | – |
|  | Arion distinctus (Mabille 1868) | 366.3 NA | 6.6 NA | 1.8 NA | – |
Helicidae | Helix pomatia Linnaeus 1758 | 1007.8 ± 11.43 | 12.8 ± 0.34 | 1.3 ± 0.02 | 2.4 ± 0.03 |
|  | Cepaea nemoralis (Linnaeus 1758) | 744.2 ± 2.15 | 10.7 ± 0.52 | 1.4 ± 0.07 | 3.1 ± 0.01 |
|  | Cepaea hortensis (Müller 1774) | 767.8 ± 5.41 | 10.9 ± 0.21 | 1.4 ± 0.03 | 4.1 ± 0.03 |
|  | Cepaea vindobonensis (Férrusac 1821) | 1180.5 ± 11.92 | 13.8 ± 0.47 | 1.2 ± 0.05 | 5.3 ± 0.05 |
|  | Cornu aspersum (Müller 1774) | 671.6 ± 6.15 | 10.5 ± 0.08 | 1.6 ± 0.003 | 2.0 ± 0.02 |
|  | Eobania vermiculata (Müller 1774) | 1071.1 ± 11.31 | 11.1 ± 0.48 | 1.0 ± 0.05 | 3.7 ± 0.04 |
|  | Theba pisana (Müller 1774) | 763.2 ± 2.68 | 8.5 ± 0.07 | 1.1 ± 0.01 | 4.1 ± 0.01 |
|  | Arianta arbustorum (Linnaeus 1758) | 847.9 ± 5.40 | 9.6 ± 0.16 | 1.1 ± 0.03 | 5.1 ± 0.03 |
|  | Helicigona lapicida (Linnaeus 1758) | 614.2 ± 3.83 | 7.1 ± 0.08 | 1.2 ± 0.02 | 3.8 ± 0.02 |
|  | Isognomostoma isognomostomos (Schröter 1784) | 634.0 ± 3.32 | 9.9 ± 0.17 | 1.6 ± 0.02 | 7.1 ± 0.03 |
Bradybaenidae | Fruticicola fruticum (Müller 1774) | 337.7 ± 6.42 | 9.8 ± 0.06 | 2.9 ± 0.04 | 1.8 ± 0.03 |
Cochlicellidae | Cochlicella acuta (Müller 1774) | 332.7 ± 4.10 | 5.7 ± 0.13 | 1.7 ± 0.06 | 2.4 ± 0.02 |
Helicodontidae | Helicodonta obvoluta (Müller 1774) | 610.1 ± 3.60 | 7.2 ± 0.29 | 1.2 ± 0.04 | 4.9 ± 0.03 |
Hygromiidae | Helicella itala (Linnaeus 1758) | 320.0 ± 3.58 | 8.0 ± 0.12 | 2.5 ± 0.01 | 2.5 ± 0.02 |
| Â | Candidula intersecta (Poiret 1801) | 248.3 NA | 7.6 NA | 3.1 NA | 2.1 NA |
|  | Xerolenta obvia (Menke 1828) | 313.4 ± 3.67 | 8.9 ± 0.07 | 2.9 ± 0.06 | 5.5 ± 0.02 |
|  | Monachoides incarnatus (Müller 1774) | 490.4 NA | 7.3 NA | 1.5 NA | 3.6 NA |
|  | Trochulus villosus (Studer 1789) | 345.0 ± 1.60 | 7.9 ± 0.08 | 2.3 ± 0.02 | 2.7 ± 0.01 |
|  | Trochulus sericeus (Draparnaud 1801) | 319.5 ± 0.63 | 7.3 ± 0.01 | 2.3 ± 0.01 | 3.5 ± 0.01 |
|  | Monacha cartusiana (Müller 1774) | 347.4 ± 0.33 | 7.0 ± 0.31 | 2.0 ± 0.09 | 2.3 ± 0.002 |