Melanopsis costata, copyright Panayotis Ovalis.

Belongs within: Cerithiimorpha.

The Melanopsidae are a group of freshwater snails with a disjunct distribution in the western Palaearctic and New Zealand. They have an ovate or elongate conical shell that is smooth or ornamented with nodulose ribs.

<==Melanopsidae [Melanopidae, Melanopsinae]
    |--Megalonoda reussi (Hörnes 1856) TTE93
    |--Amphimelania Fischer 1885 [Amphimelaniidae, Amphimelaniinae] BR05
    |    `--*A. holandrii (Pfeiffer 1828) [=Melania holandrii] BR17
    |--Fagotia Bourguignat 1884 [Fagotiinae] BR05
    |    `--*F. esperi (Férussac 1823) [=Melanopsis esperi] BR17
    `--Melanopsis Férussac 1807 BR05
         |  i. s.: M. americana G88
         |         M. buccinoidea (Olivier 1804) [=Melania buccinoidea] BR17
         |         M. etrusca PB27
         |         M. impressa Krauss 1852 GK02
         |         M. jordanica PB27
         |         M. kleini E99
         |         M. laevigata E99
         |         M. narzolina E99
         |           |--M. n. narzolina E99
         |           `--M. n. gigantea E99
         |         M. praerosa (Linnaeus 1767) [=Buccinum praerosum] BR17
         |         M. requenensis E99
         |         M. variabilis C63
         |--*M. (Melanopsis) costata (Olivier 1804) [=Melania costata] BR17
         |    |--M. c. costata C63
         |    `--M. c. turcica C63
         |--M. (Pakaurangia Finlay 1927) F27
         |    |--M. (*P.) waitaraensis Marwick 1926 [=Zemelanopsis (*P.) waitaraensis] F27
         |    `--‘Zemelanopsis’ (P.) zelandicus (Marshall 1918) [=Coptochetus zelandicus] F27
         `--M. (Zemelanopsis Finlay 1927) P61
              |--M. (*Z.) trifasciata Gray 1843 P61
              `--M. (Z.) pomahaka (Hutton 1873) H86, F27 [=Ancillaria pomahaka F27]

*Type species of generic name indicated


[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.

[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.

[C63] Curtin, T. J. 1963. Snails from Turkey, Crete and Greece. Nautilus 76 (4): 132–135.

[E99] Esu, D. 1999. Contribution to the knowledge of Neogene climate changes in western and central Europe by means of non-marine molluscs. In: J. Agustí, L. Rook & P. Andrews (eds) The Evolution of Neogene Terrestrial Ecosystems in Europe pp. 328–354. Cambridge University Press.

[F27] Finlay, H. J. 1927. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.

[G88] Gray, J. 1988. Evolution of the freshwater ecosystem: the fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology 62: 1–214.

[GK02] Gründel, J., & T. Kowalke. 2002. Palaeorissoinidae, a new family of marine and brackish water Rissooidea (Gastropoda, Littorinimorpha). Neues Jahrbuch für Geologie und Paläontologie Abhandlungen 226 (1): 43–57.

[H86] Hutton, F. W. 1886. The Mollusca of the Pareora and Oamaru systems of New Zealand. Proceedings of the Linnean Society of New South Wales, series 2, 1 (1): 205–237.

[PB27] Pilsbry, H. A., & J. Bequaert. 1927. The aquatic mollusks of the Belgian Congo, with a geographical and ecological account of Congo malacology. Bulletin of the American Museum of Natural History 53 (2): 69–602, pls 10–77.

[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.

[TTE93] Tracey, S., J. A. Todd & D. H. Erwin. 1993. Mollusca: Gastropoda. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 131–167. Chapman & Hall: London.

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