11. Solen novacula Montagu, 1803 [Ensis siliqua (Linnaeus, 1758)] 11.1 External of right valve of syntype EXEMS Moll3707 with original label. 11.2 Internals of left and right valves of syntype EXEMS Moll3707. 12. Helix octanfracta Montagu, 1803 [Omphiscola glaber (Müller, 1774)]. 12.1 “Rowley” box with 11 shells, Syntypes, EXEMS Moll4121. 12.2 Apertural and abapertural views of a single syntype, EXEMS Moll4121a. 13. Helix patraea Montagu, 1803 [Melarhaphe neritoides (Linnaeus, 1758)]. 13.1 “Rowley” box with card and 6 shells, Syntypes, EXEMS Moll4185. 13.2 Montagu hexagonal blue card with printed label. 13.3 Apertural and abapertural views of syntype EXEMS Moll4195a. 14. Solen pinna Montagu, 1803 [Pandora pinna (Montagu, 1803)]. 14.1 Green coloured wooden mount with single Montagu specimens attached. 14.2 Exterior of right and left valves of EXEMS Moll3703, possible syntype. 15. Donax plebeia Montagu, 1803 [Donacilla cornea (Poli, 1791)]. 15.1 Original label and 7 shells all syntypes EXEMS Moll4277. 15.2 Internal and external views of a single right valve, EXEMS Moll4277a.

  Part of: Oliver PG, Morgenroth H (2018) Additional Type and other Notable specimens of Mollusca from the Montagu Collection in the Royal Albert Memorial Museum & Art Gallery, Exeter. Zoosystematics and Evolution 94(2): 281-303. https://doi.org/10.3897/zse.94.24776