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Partula radiolata.png
Partula radiolata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Orthurethra

Superfamily: Partuloidea
Family: Partulidae
Pilsbry, 1900

See text.

Partulidae is a family of air-breathing land snails, terrestrial gastropod mollusks in the superfamily Partuloidea. The family is endemic to Pacific islands.[1][2] [3]


Partulidae is divided into five genera: [3][4]

This cladogram shows the phylogenic relationships of genera in the family Partulidae:[3][5]








In this family, the number of haploid chromosomes lies between 26 and 30 (according to the values in this table).[6]


The Partulidae represent a significant species radiation and were important in the development of modern evolutionary studies through the work of Henry Crampton in the early 20th century and later by Bryan Clarke, James Murray and Michael Johnson.


Most Partulidae species have declined since 1974 and a very large proportion are extinct. The main threat to their survival has been the introduction of the predatory snail Euglandina rosea.[3]


  1. ^ Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed at
  2. ^ ITIS Standard Report Page: Partulidae
  3. ^ a b c d Gerlach, J. (2016) Icons of Evolution - Pacific island tree snails, family Partulidae. Phelsuma Press, Cambridge
  4. ^ Cowie, R.H. (1992). Evolution and Extinction of Partulidae, Endemic Pacific Island Land Snails. Philosophical Transactions: Biological Sciences, Vol. 335, No. 1274 (Feb. 29, 1992), pp. 167-191.
  5. ^ Lee T., Burch J. B., Coote T., Pearce-Kelly P., Hickman C., Meyer J.-Y. & Foighil D. O. (18 August 2009). "Moorean tree snail survival revisited: a multi-island genealogical perspective". BMC Evolutionary Biology 9: 204. doi:10.1186/1471-2148-9-204
  6. ^ Barker G. M.: Gastropods on Land: Phylogeny, Diversity and Adaptive Morphology. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001, ISBN 0-85199-318-4. 1-146, cited pages: 139 and 142.

External links[edit]

Partulidae evolution, diversity and conservation Partula Pages