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Michael Oldham
Ministry of Natural Resource, Natural Heritage Information Centre
Canada
5 articles by this author
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List of Species
Terrestrial molluscs from the Ontario Far North
    Robert Forsyth, Michael Oldham
10.15560/12.3.1881
 01-05-2016
 Unique: 1005 | Total: 1719  | Access Period:
 1-51
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Notes on Geographic Distribution
Forty years later: distribution of the introduced Heath Snail, Xerolenta obvia, in Ontario, Canada (Mollusca: Gastropoda: Hygromiidae)
    Robert Forsyth, Michael Oldham, Eric Snyder, Frederick Schueler, Ross Layberry
10.15560/11.4.1711
 07-08-2015
 Unique: 1151 | Total: 1831  | Access Period:
 1-8
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Notes on Geographic Distribution
Patera appressa (Say, 1821), an introduced land snail in Ontario, Canada (Mollusca: Gastropoda: Polygyridae)
    Robert Forsyth, Michael Oldham, Frederick Schueler
10.15560/11.2.1583
 17-02-2015
 Unique: 854 | Total: 1557  | Access Period:
 1-6
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Notes on Geographic Distribution
Distribution of Strobilops aeneus Pilsbry, 1926, in Canada, with two new Ontario records (Mollusca: Gastropoda: Strobilopsidae)
    Robert Forsyth, Michael Oldham
10.15560/10.2.397
 01-05-2014
 Unique: 978 | Total: 1663  | Access Period:
 Reprint: € 2,60
 397-401
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Notes on Geographic Distribution
Mollusca, Gastropoda, Ellobiidae, Carychium minimum, and Ferussaciidae, Cecilioides acicula: Distribution extension and first provincial records of two introduced land snails in Ontario, Canada
    Robert Forsyth, Michael Oldham, Frederick Schueler
10.15560/4.4.449
 01-11-2008
 Unique: 908 | Total: 1467  | Access Period:
 Reprint: € 2,30
 449-452
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