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Figure 54 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 54 - Drymaeus species. A–B Drymaeus (Drymaeus) expansus perenensis da Costa, 1901, lectotype NHMUK 1907.11.21.39 (H = 45.8) C–D Drymaeus (Mesembrinus) ghiesbreghti iodostylus (Pfeiffer, 1861), syntype NHMUK 1975568 (H = 32.2) E Drymaeus (Drymaeus) trujillensis (Philippi, 1867), possible syntype of Bulimus (Otostomus) lamas Higgins, 1868 NHMUK 1868.4.3.3 (H = 29.2) F Drymaeus (Drymaeus) rubrovariegatus (Higgins, 1868), possible syntype NHMUK 1868.4.3.1 (H = 32.8) G Drymaeus (Drymaeus) pergracilis (Rolle, 1904), lectotype NHMUK 1922.2.3.33 (H = 33.2) H Drymaeus (Drymaeus) ponsonbyi da Costa, 1907, holotype NHMUK 1907.11.21.27 (H = 33.5) I Drymaeus (Mesembrinus) moritinctus (Martens, 1893), lectotype NHMUK 1901.6.22.841 (H = 25.2) J–K Drymaeus (Mesembrinus) recluzianus (Pfeiffer, 1847), lectotype of Bulimulus (Drymaeus) nubilus Preston, 1903 NHMUK 1903.5.4.1 (H = 22.3) L–M Drymaeus (Mesembrinus) oreades (d'Orbigny, 1835) L sculpture on ultimate whorl M lectotype NHMUK 1854.121.4.161 (H = 31.6). All enlarged.

Figure 57 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

<p>Figure 57 - Neopetraeus species. A–F Neopetraeus lobbii (Reeve, 1849) A–C lectotype NHMUK 1975431 (H = 44.3) D–F lectotype of Bulimus ptychostylus Pfeiffer, 1858 NHMUK 1975430 (H = 46.7) G–I Neopetraeus decussatus (Reeve, 1849), lectotype of Bulimus myristicus Reeve, 1849 NHMUK 1975433 (H = 40.3) J–L Neopetraeus platystomus (Pfeiffer, 1858), lectotype NHMUK 1975428 (H = 34.4). All enlarged.</p>

Figure 7 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 7 - Bostryx species. A Bostryx erosus (Broderip in Broderip and Sowerby I 1832), syntype NHMUK 20100612 (H = 22.9) B Bostryx scalariformis (Broderip in Broderip and Sowerby I 1832), probable syntype NHMUK 20100635 (H = 11.6) C Bostryx vilchezi Weyrauch, 1960, paratype NHMUK 1975468 (H = 8.2) D Bostryx rusticellus (Morelet, 1860), lectotype NHMUK 1893.2.4.201 (H = 19.9) E Bostryx guttatus (Broderip in Broderip and Sowerby I 1832), possible syntype NHMUK 20110175 (H = 22.0) F Bostryx pruinosus (Sowerby I, 1833), syntype NHMUK 1975544 (H = 13.48) G Bostryx reentsi (Philippi, 1851), syntype of Bulimus denickei J.E. Gray, 1852, NHMUK 1851.5.15.1 (H = 26.4) H Bostryx compactus (Fulton, 1902), syntype NHMUK 1902.5.28.1 (H = 15.8) I Bostryx albicans (Broderip in Broderip and Sowerby I 1832), possible syntype NHMUK 20100611 (H = 22.1) J Bostryx albus (Sowerby I, 1833), possible syntype NHMUK 1842.5.10.149 (H = 15.0). All enlarged.

Figure 63 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 63 - Bulimulus species. A–B Bulimulus monachus (Pfeiffer, 1857), lectotype NHMUK 20100584 (H = 31.2) C–D Bulimulus guadalupensis (Bruguière, 1789), lectotype of Bulimus rubrifasciatus Reeve, 1848 NHM 1975393 (H = 22.9) E–F Bulimulus corneous (Sowerby I, 1833), lectotype of Bulimus nubeculatus Pfeiffer, 1853 NHMUK 1975407 (H = 16.0) G–H Bulimulus transparens (Reeve, 1849), lectotype NHMUK 1975397 (H = 18.4) I–J Bulimulus marcidus (Pfeiffer, 1853), possible syntype NHMUK 20100649 (H = 18.0) K–L Bulimulus turritellatus (Beck, 1838), paralectotype of Helix turritella d'Orbigny 1835 NHMUK 1854.12.4.166 (H = 19.3) M–P Bulimulus unicolor (Sowerby I, 1833) M–N lectotype of Bulimus petenensis Morelet, 1851 NHMUK 1893.2.4.1176 (H = 18.7) O–P Possible syntype of Bulimulus istapensis Crosse and Fischer, 1873 NHMUK 1893.2.4.1185 (H = 11.2). All enlarged.

Figure 6 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 6 - Bostryx species. A Bostryx acalles (Pfeiffer, 1853), possible syntype NHMUK 20100651 (H = 13.2) B Bostryx depstus (Reeve, 1849), lectotype NHMUK 1975318 (H = 18.5) C Bostryx conspersus (Sowerby I, 1833), probable syntype NHMUK 20100619 (H = 19.8) D Bostryx ?hennahi (J.E. Gray, 1830), lectotype of Helix cactorum d'Orbigny, 1835, NHMUK 1854.12.4.189 (H = 24.4) E–G Bostryx modestus (Broderip in Broderip and Sowerby I 1832) E Lectotype of Bulimus limensis Reeve, 1849, NHMUK 1975326 (H = 19.6) F syntype of Bulimus philippii Pfeiffer, 1842, NHMUK 1975348 (H = 24.3) G Bulinus modestus Broderip in Broderip and Sowerby I 1832, possible syntype NHMUK 20120232 (H = 31.6). All enlarged.

Figure 65 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 65 - Scutalus species. A–B Scutalus baroni (Fulton, 1896), lectotype NHMUK 1896.6.23.1 (H = 12.7) C–F Scutalus cretaceus (Pfeiffer, 1855) C–D lectotype NHMUK 1975388 (H = 35.2) E–F lectotype of Bulimulus (Drymaeus) baroni Fulton, 1897 NHMUK 1897.8.3.173 (H = 34.3) G Scutalus chiletensis Weyrauch, 1967, paratype NHMUK 1975384 (H = 34.2) H Scutalus grandiventris Weyrauch, 1960, paratype NHMUK 1975386 (H = 54.1) I–J Scutalus latecolumellaris Preston, 1909, lectotype NHMUK 1922.2.24.39 (H = 54.0). All enlarged.

Figure 66 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 66 - A–D Scutalus species. A–B Scutalus proteus Broderip in Broderip and Sowerby I 1832, lectotype NHMUK 20100638 (H = 44.1) C–E Scutalus versicolor versicolor (Broderip in Broderip and Sowerby I 1832) C–D possible syntype NHMUK 20100637 (H = 29.6) E lectotype of Bulimus coagulatus Reeve 1849 NHMUK 1975351 (H = 15.6) F–P Kuschelenia species. F–N Kuschelenia (Kuschelenia) culminea culminea (d'Orbigny, 1835) F–H paralectotype NHMUK 1854.12.4.198 (H = 31.2) I–K lectotype of Bulimus confusus Reeve, 1848 NHMUK 1975194 (H = 29.0) L–N lectotype of Bulimus jussieui Pfeiffer, 1846 NHMUK 1975170 (H = 31.6) O–P Kuschelenia (Kuschelenia) bicolor (Sowerby I, 1835), lectotype NHMUK 1975151 (H = 23.6). All enlarged.

Figure 52 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 52 - Drymaeus species. A–B Drymaeus (Drymaeus) bolivarii (d'Orbigny, 1835), d'Orbigny 1837 [1834–1847]: pl. 39 figs 5–6 C–D Drymaeus (Drymaeus) brachysoma (d'Orbigny, 1835), d'Orbigny 1837 [1834–1847]: pl. 39 figs 9–10 E–F Remarks of S.P. Dance in the margin of the text.

Figure 59 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 59 - Newboldius crichtoni (Broderip, 1836) A–C Holotype of Bulimus (?) illustris Rolle, 1905 NHMUK 1922.2.24.40 (H = 61.2) D–F Holotype NHMUK 1958.9.3.4 (H = 71.3). All enlarged.

Figures 88-92 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 88-92 - 88. Trochus tumidus Montagu, 1803 [Gibbula tumida (Montagu, 1803)] 88.1 "Rowley" box with 9sh. in 2 lots EXEMS Moll4175-6. 88.2 Abapertural, basal and apertural views of syntype EXEMS Moll4175a. 88.3 Apertural and abapertural views of syntype EXEMS Moll4176a. 89. Murex turricula Montagu, 1803 [Propebela turricula (Montagu, 1803)] 89.1 "Rowley" box containing a Montagu card with 3 sh. and 3sh. loose. 89.2 Montagu hexagonal blue card with 3 syntypes and original label. 89.3 Apertural and abapertural views of syntype EXEMS Moll4250a. 90. Trochus umbilicatus Montagu, 1803 [Gibbula umbilicalis (da Costa, 1778)] 90.1 "Rowley" box label for lot 4178. 90.2 Syntype series of 12 sh. EXEMS Moll4178. 90.3 Apical, lateral and basal views of largest syntype EXEMS Moll4178a. 91. Turbo unicus Montagu, 1803 [Graphis albida (Kanmacher, 1798)] 91.1 Montagu hexagonal black card with 2sh. and 1 empty scar. 91.2 Apertural and abapertural (SEM) views of syntype EXEMS Moll4232a. 92. Turbo unidentatus Montagu, 1803 [Odostomia unidentata (Montagu, 1803)] 92.1 Montagu hexagonal blue card with 1sh. and 1 empty scar. 92.2 Abapertural and apertural views of unique syntype EXEMS Moll4238.

Figures 78-82 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 78-82 - 78. Mya suborbicularis Montagu, 1803 [Kellia suborbicularis (Montagu, 1803)] 78.1 "Rowley" box containing 11sh., all syntypes EXEMS Moll3908-17. 78.2 Exterior and interior of right valve and interior of left valve of syntype EXEMS Moll3908. 79. Turbo tenebrosus Montagu, 1803 [Littorina saxatilis (Poli, 1792)] 79.1 Old NHMUK labels indicating provenance of Montagu Coll. 79.2 Apertural and abapertural views of lectotype NHMUK 1989177/1. 79.3 Old label and register entry for lots EXEMS Moll4198 and 4200. 79.4 Apertural views of paralectotypes EXEMS Moll4198/1 and EXEMS Moll4200/1. 80. Mactra tenuis Montagu, 1803 [Abra tenuis (Montagu, 1803)] 80.1 "Rowley" box containing a Montagu card. 80.2 Interior of left (broken) and right valves. 80.3 Exterior of left valve (broken). 81. Buccinum terrestre Montagu, 1803 [Ceciliodes acicula (Müller, 1774)] 81.1 Montagu hexagonal blue card with 2sh. and 2 fragments, syntypes EXEMS Moll4151. 81.2 Abapertural and apertural views of syntype EXEMS Moll4151a. 81.3 SEM of apertural view of syntype EXEMS Moll4151a. 82. Turbo tessellatus Montagu, MSS [Littorina sp.] 82.1 Old NHMUK mounting block with 1sh. attached. 82.2 Abapertural and apertural views of unique shell NHMUK 1998033.

Figures 9-13 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 9-13 - 9. Voluta bullaoides Montagu, 1808 [Melampus bullaoides (Montagu, 1808)] 9.1 Apertural view of specimen 1, NHMUK 20170129/1. 9.2 Abapertural view of specimen 2, NHMUK 20170129/2. 9.3 Old NHMUK label indicating provenance from the Laskey Coll. and by inference leg. Portland Coll., sale lot 2487. 10. Turbo canalis Montagu, 1803 [Lacuna vincta (Montagu, 1803)] 10.1 Montagu blue hexagonal card with 2sh. and 2 empty scars, EXEMS Moll4191. 10.2 Apertural and abapertural views of the larger syntype, EXEMS Moll4191a. 10.3 Apertural and abapertural views of the smaller syntype, EXEMS Moll4191b. 11. Helix cantiana Montagu, 1803 [Monacha cantiana (Montagu, 1803)] 11.1 Apical, lateral and basal views of syntype EXEMS Moll4140b. 11.2 Lateral view of syntype EXEMS Moll4140a. 11.3 Lateral view of syntype EXEMS Moll4140c. 12. Helix caperata Montagu, 1803 [Candidula intersecta (Poiret, 1801)] 12.1 Rowley box with 9 sh. all syntypes, EXEMS Moll4145. 12.1 Basal view of banded shell, syntype, EXEMS Moll4145b. 12.3 Lateral, apical and basal views of syntype, EXEMS Moll4145a. 12.4 Lateral views of syntype EXEMS Moll4145c. 13. Donax castaneus Montagu, 1803 [Ervilia castanea (Montagu, 1803)] 13.1 Montagu hexagonal blue card with 2 valves. EXEMS Moll3279. 13.2 Exterior and interior of right valve, Lectotype, EXEMS Moll3729/1. 13.3 Exterior and interior of left valve, Paralectotype, EXEMS Moll3729/2.

Figures 63-67 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 63-67 - 63. Tellina radula Montagu, 1803 [Lucinoma borealis (Linnaeus, 1767)] 63.1 Internal and external views of right and left valves of syntype EXEMS Moll3904. 64. Tellina rotundata Montagu, 1803 [Diplodonta rotundata (Montagu, 1803)] 64.1 External and internal view of right valve, syntype EXEMS Moll3905. 64.2 External and internal view of left valve, syntype EXEMS Moll3906. 65. Turbo ruber J. Adams, 1797 sensu Montagu, 1803 [Barleeia unifasciata (Montagu, 1803)] 65.1 Montagu hexagonal black card with label and 3sh., syntypes EXEMS Moll4214a-c. 65.2 Apertural and abapertural views of syntype EXEMS Moll4214a. 66. Cardium rubrum Montagu, 1803 [Lasaea rubra (Montagu, 1803)] 66.1 Montagu hexagonal blue card with 2sh +1v, syntypes EXEMS Moll3918-20. 66.2 Internal view of left valve syntype with brooded juvenile shells retained EXEMS Moll3920. 66.3 External view of left valve syntype EXEMS Moll3920. 67. Murex rufus Montagu, 1803 [Propebela rufus (Montagu, 1803)] 67.1 "Rowley" box label for lot 4252. 67.2 Montagu blue card with 1sh. and 1 empty scar. 67.3 Apertural and abapertural views of unique syntype EXEMS Moll4252.

Figures 58-62 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 58-62 - 58. Murex proximus Montagu, 1808 [Pleurotoma proxima (Montagu, 1808)] 58.1 Old NHMUK block with reverse text of {Mus. Montagu | Murex proximus Mont | 'the specimen in the British Museum marked 'Mus Montagu' however, is a worn P. nebula" Jeffreys Brit.Conch. iv. p.387}. 58.2 Apertural and apertural views of shell attached to block and registered as NHMUK 1998043 is Bela nebula (Montagu, 1803) but is not a syntype of M. proximus or M. nebula. 59. Venus pullastra Montagu, 1803 [Venerupis corrugata (Gmelin, 1791)] 59.1 Exterior of right valve of syntype EXEMS Moll3804 with original Montagu label {Pullastra}affixed. 59.2 Interior of right valve and exterior of left valve of syntype EXEMS Moll3804 59.3 Syntype series EXEMS Moll3804-9. 60. Turbo punctura Montagu, 1803 [Alvania punctura (Montagu, 1803)] 60.1 Montagu hexagonal blue card with 3 sh. and empty scars; syntypes EXEMS Moll4222b-d. 60.2 Abapertural and apertural views of syntype EXEMS Moll4222a. 60.3 SEM of apertural view of EXEMS Moll4222a. 61. Murex purpureus Montagu, 1803 [Raphitoma purpurea (Montagu, 1803)] 61.1 Old NHMUK labels indicating provenance of Montagu Coll. 61.2 Abapertural and apertural views of lectotype NHMUK 1995089/1. 61.3 Montagu blue hexagonal card with 2 paralectotypes EXEMS Moll4258. 62. Turbo quadrifasciatus Montagu, 1803 [Lacuna vincta (Montagu, 1803)] 62.1 "Rowley" box containing Montagu card. 62.2 Montagu blue card with label and 5 sh. attached, EXEMS Moll4188a-e. 62.3 Apertural and abapertural views of syntype EXEMS Moll4188a.

Figures 43-47 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 43-47 - 43. Turbo marginatus Montagu, 1808 [? Rissoa auriscalpium (Linnaeus, 1758)] 43.1 Old NHMUK labels indicating provenance as Laskey Coll. 43.2 Label from reverse block reads {Rissoa auriscalpium | Zipporia Drummondii Leach | Turbo marginatus Laskey}. 43.3 Abapertural and apertural views of 1 of 4 potential types NHMUK 20170126. 44. Venus minima Montagu, 1803 [Gouldia minima (Montagu, 1803)] 44.1 Montagu blue hexagonal card with shells attached 44.2 External and internal views of right valves EXEMS Moll3847, syntypes. 45. Buccinum minimum Montagu, 1803 [Chauvetia brunnea (Donovan, 1804)] 45.1 Montagu hexagonal blue card with 7 scars and original label. 45.2 Syntype series EXEMS Moll4259a-c. 45.3 Apertural and abapertural views of largest syntype EXEMS Moll4249a. 46. Murex muricatus Montagu, 1803 [Trophonopsis muricata (Montagu, 1803)] 46.1 "Rowley" box containing blue card. 46.2 Montagu hexagonal blue card with single scar. 46.3 Apertural and abapertural views of unique syntype EXEMS Moll4266. 47. Murex nebula Montagu, 1803 [Bela nebula (Montagu, 1803)] 47.1 "Rowley" box label for lot 4253. 47.2 Montagu hexagonal blue card with 1 sh. attached and original label. 47.3 Type series EXEMS Moll4253/1-5. 47.4 Abapertural and apertural views of lectotype, EXEMS Moll4253/1.

Figures 39-42 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 39-42 - 39 Helix lackhamensis Montagu, 1803 [Ena montana (Draparnaud, 1801)] 39.1 Entry in register as Bulimus lackhamensis. 39.2 "Rowley" box with 2 sh., no original labels. 39.3 Abapertural and apertural views of syntype EXEMS Moll4130a. 49 Turbo laminatus Montagu, 1803 [Cochlodina laminata (Montagu, 1803)] 40.1 "Rowley" box containing 5 sh. + 2 frag., all syntypes EXEMS Moll4123. 40.2 Apertural and abapertural views of syntype EXEMS Moll4123a. 41. Tellina laskeyi Montagu, 1808 [Tentidonax sp.] 41.1 Register entry and original label for EXEMS Moll4248. 41.2 Exterior and interior of right valve of syntype EXEMS Moll4248/1, pallial sinus highlighted. 41.3 Old NHMUK labels indicating provenance from Laskey. Larger label reads {according to Humphreys native of W. Indies | by Montagu said to be dredged by Laskey in the Firth of Forth} 41.4 Interior and exterior views of left valves and interior of right valve of 1 of 4 complete syntypes NHMUK 20170124. 42 Murex linearis Montagu, 1803 [Raphitoma linearis (Montagu, 1803)] 42.1 Old labels and mounting block for type series in NHMUK. 42.2 Abapertural and apertural views of lectotype NHMUK 1995090/1. 42.3 Montagu hexagonal blue card with paralectotypes, EXEMS Moll4245. 42.4 Abapertural and apertural views of paralectotype EXEMS Moll4245a.

Figures 24-28 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 24-28 - 24. Mytilus discrepans Montagu, 1803 [Musculus discors Linnaeus, 1767)] 24.1 "Rowley" box containing 8 sh. EXEMS Moll3939-46. 24.2 Montagu label. 24.3 Exterior of right and left valves of syntype EXEMS Moll3939. 25. Turbo dispar Montagu, 1816 [Littorina sp?] 25.1 Montagu hexagonal blue card with original label for lot 4202. 25.2 Abapertural and apertural views of syntype EXEMS Moll4202. 26. Mya distorta Montagu, 1803 [Thracia distorta (Montagu, 1803)] 26.1 "Rowley" box containing 1sh. +1v. 26.2 External views of right and left valves of syntype EXEMS Moll3693. 26.3 External and internal views of the left valve of syntype EXEMS Moll3694. 27. Turbo elegantissimus Montagu, 1803 [Turbonilla lactea (Linnaeus, 1758)] 27.1 Montagu hexagonal blue card with 6 sh. + 1 frag. EXEMS Moll4263a-f. 27.2 Abapertural and apertural views of syntype EXEMS Moll4263a. 27.3 SEM Apertural view of syntype EXEMS Moll4263a. 28. Cardium elongatum Montagu, 1803 [Cerastoderma edule (Linnaeus, 1758)] 28.1 Register entry under Cardium fasciatum with C. elongatum for lot 3881. 28.2 "Rowley" box containing 1 shell on blue card and 3 loose shells. 28.3 Montagu hexagonal blue card with number 3881 on reverse and label for C. elongatum. 28.4 Internal of left valve, external of right valve of syntype EXEMS Moll3881. 28.5 Parvicardium exiguum, 1 of 3 shells EXEMS Moll3882-4.

Figures 48-52 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 48-52 - 48. Turbo nivosus Montagu, 1803 [Jordaniella nivosa (Montagu, 1803)] 48.1 Base of box label, probably by Chaster but indicates provenance of Montagu Coll. 48.2 Apertural and abapertural views of unique syntype, NHMUK 1998049. 48.3 SEM of abapertural view of above, NHMUK 1998049. 49. Bulla obtusa Montagu, 1803 [Retusa obtusa (Montagu, 1803)] 49.1 "Rowley" box containing 15 syntypes EXEMS Moll4073-87. 49.2 Montagu hexagonal blue card with 6 sh. attached. 49.3 Apertural and abapertural views of syntype EXEMS Moll4074. 49.4 Apertural and abapertural views of syntype EXEMS Moll4073. 50. Mya ovalis Montagu, 1803 [Unio tumidus (Retzius, 1788)] 50.1 Exterior of right valve with registration disc attached to unique syntype EXEMS Moll4029. 50.2 Interior views of right and left valves of unique syntype EXEMS Moll4029. 51. Turbo pallidus Montagu, 1803 [nomen dubium] 51.1 Base of box label with original Montagu label "palidus" affixed. 51.2 Apertural and abapertural views of associated shell, is Ondina divisa NHMUK 1998068. 51.3 SEM of abapertural view of above, NHMUK 1998068. 52. Venus paphia Montagu, 1803 [Clausinella fasciata (da Costa, 1778)] 52.1 Extract from register indicating identity as Venus paphia. 52.2 "Rowley" box containing 6sh. + 1v all syntypes, EXEMS Moll3841-6. 52.3 Exterior of right valve and interior of left valve of syntype EXEMS Moll 3841. 52.4 Exterior of left valve of syntype EXEMS Moll 3842.

Figures 5-8 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 5-8 - 5. Murex attenuatus Montagu, 1803 [Mangelia attentuata (Montagu, 1803)] 5.1 "Rowley box" containing lot EXEM Moll4255. 5.2 Two potential type specimens attached to Montagu blue card. 5.3 Apertural and abapertural views of the syntype in RAMM Exeter, EXEMS Moll4255a. 5.4 Syntype in NHMUK, NHMUK 1998074. 5.5 Second potential type specimen in RAMM Exeter is NOT M. attenuatus and not a British species. 6. Voluta bidentata Montagu, 1808 [Auriculinella bidentata (Montagu, 1808)] 6.1 Green paper covered block with Montagu hexagonal blue card attached. 6.2 Apertural and abapertural views of the entire syntype EXEMS Moll4101a. 7. Turbo biplicatus Montagu, 1803 [Alinda biplicata (Montagu, 1803)] 7.1 Two syntypes on Montagu hexagonal blue card, EXEMS Moll4124. 7.2 Apertural view of larger syntype, EXEMS Moll4124a. 7.3 Abapertural view of smaller syntype, EXEMS Moll4124b. 8. Turbo bryereus Montagu 1803 [Schwartziella bryerea (Montagu, 1803)] 8.1 Montagu blue card with 2 shells, EXEMS Moll4223. 8.2 Apertural and abapertural views of lectotype. EXEMS Moll4223/1. 8.3 SEM micrograph of apertural view of lectotype. EXEMS Moll4223/1. 8.4 Old NHMUK label indicating shells from the Laskey Collection. 8.5 Old NHMUK label {Turbo bryereus Monts. Mus Mont. Sent by Laskey who says he found them in Scotland}. 8.6 Apertural view of 1 of 6 shells from the Laskey Coll., NHMUK 20170130/1.

Figures 19-23 from: Oliver PG, Morgenroth H, Salvador A (2017) Type specimens of Mollusca described by Col. George Montagu in the Royal Albert Memorial Museum & Art Gallery, Exeter and The Natural History Museum, London. Zoosystematics and Evolution 93(2): 363-412. https://doi.org/10.3897/zse.93.13073

Figures 19-23 - 19. Mactra dealbata Pulteney sensu Montagu, 1803 [Standella pellucida (Gmelin, 1791)] 19.1 Old NHMUK labels indicating provenance of Laskey Coll. The larger label reads {Purchd of Capt. Laskey who called it the Mactra dealbata of Montagu, asserted that he found it in the Firth of Forth near the mouth}. 19.2 Interior and exterior of entire right valve, NHMUK 20170127. 19.3 Interior of damaged left valve. 20. Helix decussata Montagu, 1803 [Zebinella decussata (Montagu, 1803)] 20.1 Montagu hexagonal blue card with 2 syntypes, EXEMS Moll4239a-b. 20.2 Apertural and abapertural view of larger syntype, EXEMS Moll4239a. 21. Turbo decussatus Montagu, 1803 [Parthenina decussata (Montagu, 1803)] 21.1 Montagu wooden plinth with blue card attached, 1 shell remaining, empty scars present. EXEMS Moll4273. 21.2 Base of box with original Montagu label attached and identified as such by J.R. le B. Tomlin. NHMUK 1998072. 21.3 Abapertural and apertural (SEM) views of syntype EXEMS Moll4273. 21.4 Apertural view of syntype NHMUK 1998072. 22. Voluta denticulata Montagu, 1803 [Myosotella denticulata (Montagu, 1803)] 22.1 Montagu hexagonal blue card with 2 sh. and empty scars. 22.2 Abapertural and apertural views of Lectotype EXEMS Moll4100a. 22.3 Abapertural and apertural views of Paralectotype EXEMS Moll4100b. 23. Helix detrita Montagu, 1803 non Müller, 1774 [Drymaeus elongatus (Röding, 1798)] 23.1 Old label for lot 4299. 23.2 Abapertural and apertural views of syntype EXEMS Moll4299. 23.3 SEM of protoconch.