Classification of Davidson 1862

G. †Aulosteges von Helmersen 1847
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Aulosteges dalhousii Davidson 1862
G. †Productus
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Productus purdoni Davidson 1862
G. †Streptorhynchus King 1850
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G. †Athyris
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Athyris grandis Davidson 1862
G. †Retzia King 1850
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Retzia grandicosta Davidson 1862
G. Terebratula Müller 1776
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Terebratula flemingii Davidson 1862
Terebratula himalayensis Davidson 1862
Terebratula problematica Davidson 1862
Terebratula subvesicularis Davidson 1862
G. †Spirifera Phillips 1836
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Spirifera moosakhailensis Davidson 1862
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Camarophoria purdoni Davidson 1862