Hi Avril

Suggestions:

4 - Helix (Cornu) aspersa, common European landsnail
10 - Something man-made
11 - Overlapping (compound) concretions
12 - See Olsson & Harbison 1953, but beware synonyms!
13 - 'Oyster" in Gryphaeidae
14 - Steinkern of unidentifiable gastropod
15 - Brachiopod in Spiriferoidea, Paleozoic to Jurassic
17.1 - gastropods and probable bivalves, unidentifiable
17.2 - decalcified thickshelled bivalve with deeply-impressed
muscle-scars (NOT a cucullaeid, which   has thickened muscle-scars)
17.3, 4 - high-spired gastropod, not Turritellidae, probably Cerithoiodea


--
Andrew Grebneff
Dunedin, New Zealand
Fossil preparator
Mollusc, Toyota & VW van nut
Temporarily in Calgary, AB, Canada
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