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This category has the following 4 subcategories, out of 4 total.
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The following 15 pages are in this category, out of 15 total.
28:molluscs, that is, they had a mineralised shell.
20:, an extinct group of ancient molluscs (phylum
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131:This list may not reflect recent changes
321:Prehistoric molluscs by classification
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155:Aldanellidae
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203:Helcionella
191:Eurekapegma
179:Carinopelta
26:conchiferan
316:Conchifera
305:Categories
245:Pelagiella
167:Barskovia
280:Trenella
22:Mollusca
114:(1 P)
94:(1 P)
74:(2 P)
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287:Y
275:T
263:S
239:P
227:L
215:K
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186:E
174:C
162:B
150:A
103:Y
83:O
63:H
43:C
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