Eatoniella kerguelenensis, from the Smithsonian National Museum of Natural History.

Belongs within: Littorinina.
Contains: Eatoniella (Dardanula).

The Cingulopsoidea are a group of minute marine molluscs with a simple conical shell bearing an inner organic layer and an operculum with a prominent peg.

    |–Rastodens Ponder 1966 [Rastodenidae, Rastodentidae] BR05
    |    `–*R. puerilis Ponder 1966 BR17
    |–Cingulopsidae [Cingulopsinae, Cingulopsoidei, Coriandriidae] BR05
    |    |–Cingulopsis Fretter & Patil 1958 BR05
    |    |    `–*C. fulgidus (Adams 1797) [=Helix fulgidus] BR17
    |    |–Microsetia Monterosato 1884 [=Coriandria Tomlin 1917] BR17
    |    |    `–*M. cossurae (Calcara 1841) [=Rissoa cossurae, *Coriandria cossurae] BR17
    |    |–Eatoniopsis Thiele 1912 [Eatoniopsinae] BR05
    |    |    |–*E. paludinoides (Smith 1902) [=Eatoniella paludinoides] BR17
    |    |    `–E. ainsworthi Hedley 1916 P61
    |    `–Eatonina Thiele 1912 [Eatoninidae] BR05
    |         |–*E. pusilla (Thiele 1912) [=Eatonina pusilla] BR17
    |         |–E. (Saginofusca) atacamae Marincovich 1973 BC01
    |         |–E. atomaria HS01
    |         |–E. martae Rolán & Templado 1993 BC01
    |         |–E. micans HS01
    |         `–E. (Otatatara) subflavescens Iredale 1913 TTE93
    `–Eatoniellidae BR17
         |–Eatoniella Dall 1876 BR05
         |    |  i. s.: E. albocolumella HS01
         |    |         E. latina Marincovich 1973 BC01
         |    |         E. limbata HS01
         |    |         E. notalabia HS01
         |    |         E. olivacea HS01
         |    |–*E. (Eatoniella) kerguelenensis (Smith 1875) BR17 (see below for synonymy)
         |    `–E. (Dardanula) TTE93
         `–Paludestrina d’Orbigny 1840 BR17, BR05 [=Paludestina (l. c.) PB27; Paludestrinidae, Paludestrininae]
              |–*P. nigra (d’Orbigny 1840) [=Paludina nigra, Eatoniella nigra] BR05
              |–P. alabastrina (Morelet 1889) [=Hydrobia alabastrina] PB27
              |–P. balfouri (Godwin-Austen 1883) [=Hydrobia balfouri] PB27
              |–P. brownii S01
              |–P. erythraea (v. Martens 1858) [=Hydrobia erythraea] PB27
              |–P. gabonensis (Morelet 1885) [=Hydrobia gabonensis] PB27
              |–P. jenkinsi S01
              |–P. legrandiana Brazier 1871 S01, P79 [=Bithynia legrandiana P79]
              |–P. nickliniana PB27
              |–P. protea PF15
              |–P. schweinfurthi (Jickeli 1874) [=Hydrobia schweinfurthi] PB27
              |–P. taylori Smith 1901 S01
              |–P. tristis (Morelet 1889) [=Hydrobia tristis] PB27
              `–P. zwellendamensis (Küster 1852) [=Paludina zwellendamensis] PB27

*Eatoniella (Eatoniella) kerguelenensis (Smith 1875) BR17 [=Eatonia kerguelenensis BR17, Rissoa kerguelenensis P61]

*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.

[BC01] Boyko, C. B., & J. R. Cordeiro. 2001. Catalog of Recent type specimens in the Division of Invertebrate Zoology, American Museum of Natural History. V. Mollusca, part 2 (class Gastropoda [exclusive of Opisthobranchia and Pulmonata], with supplements to Gastropoda [Opisthobranchia], and Bivalvia). Bulletin of the American Museum of Natural History 262: 1–170.

[HS01] Hayward, B. W., A. B. Stephenson, M. S. Morley, W. M. Blom, H. R. Grenfell, F. J. Brook, J. L. Riley, F. Thompson & J. J. Hayward. 2001. Marine biota of Parengarenga Harbour, Northland, New Zealand. Records of the Auckland Museum 37: 45–80.

[P79] Petterd, W. F. 1879. List of the freshwater shells of Tasmania. Journal of Conchology 2: 80–88.

[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.

[S01] Smith, E. A. 1901. Notice of a species of Paludestrina new to the British fauna. Annals and Magazine of Natural History, series 7, 7: 191–192.

[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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