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The following 18 pages are in this category, out of 18 total.
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82:Pages in category "Gastropods described in 1820"
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267:Gastropods described in the 19th century
87:This list may not reflect recent changes
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272:Molluscs described in 1820
231:Turriplicifer australis
105:Chilostoma cingulatum
168:Oligolimax annularis
144:Hemiconus granularis
100:Charpentieria dyodon
156:Nebularia contracta
132:Dolomena variabilis
243:Varicose rocksnail
226:Trochulus montanus
221:Trochulus caelatus
180:Pupilla triplicata
110:Clausilia cruciata
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127:Diodora italica
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261:Categories
71:1825
66:1824
61:1823
56:1822
51:1821
46:1820
41:1819
36:1818
31:1817
26:1816
21:1815
263::
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238:V
211:T
199:S
187:R
175:P
163:O
151:N
139:H
122:D
95:C
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