Atlanta peronii Lesueur, 1817
Atlanta peronii is the type species of the genus Atlanta. This species has the largest shell of the genus, which reaches up to 12 mm.
Synonyms:
Atlanta costae Mandralisca, 1840
Atlanta keraudrenii Lesueur, 1817
Atlanta steindachneri Oberwimmer, 1898
Ladas planorboides Forbes, 1844
Oxygyrus keraudrenii (Lesueur, 1817)
Schizotrochus palaeomphaloides Nordsieck, 1973
Steira lamanoni Eschscholtz, 1825
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Spire contains 3½ to 3¾ whorls with deep sutures so that the whorls can be seen clearly. Juvenile specimens are difficult to identify from A. fragilis.
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Sutures may be clear or pink and soft tissue colour varies greatly, from white to pink-orange to brown.
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The adult shell is very large and can become a faint yellow colour.
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The keel is of moderate height and becomes dark yellow in large specimens.
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In very large individuals, the keel inserts between the final and penultimate whorls.
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Eye type b, operculum type b, radula type II.
Similar species:
Further Reading:
Richter, G., 1993. Zur Kenntnis der Gattung Atlanta, 5. Die Atlanta peroni-Gruppe und Atlanta gaudichaudi (Prosobranchia: Heteropoda). Archiv für Molluskenkunde 122, 189–205.
Seapy, R.R. 2011. Atlantidae. In: Tree of life web project. Available at http://tolweb.org/Atlantidae accessed 1 April 2017.
Seapy, R.R., Lalli, C.M., Wells, F., 2003. Heteropoda from Western Australian waters., in: The Marine Flora and Fauna of Dampier, Western Australia. Western Australian Museum, Perth, pp. 513–546.
Wall-Palmer, D., Burridge, A.K., Goetze, E., Stokvis, F., Janssen, A.W., Mekkes, L., Moreno-Alcántara, M., Bednaršek, N., Schiøtte, T., Vinther Sørensen, M., Smart, C.W., Peijnenburg, K.T.C.A. Biogeography and genetic diversity of the atlantid heteropods. Progress in Oceanography, 160:1–25. doi: 10.1016/j.pocean.2017.11.004
Wall-Palmer, D., Metcalfe, B., Leng, M.J., Sloane, H.J., Ganssen, G., Vinayachandran, P.N., Smart, C.W. Vertical distribution and diurnal migration of atlantid heteropods. Marine Ecology Progress Series, 587: 1–15. doi: 10.3354/meps12464.
Wall-Palmer, D., Smart, C.W., Kirby, R., Hart, M.B., Peijnenburg, K.T.C.A., Janssen, A. 2016. A review of the ecology, palaeontology and distribution of atlantid heteropods (Caenogastropoda: Pterotracheoidea: Atlantidae). Journal of Molluscan Studies, 1-14.
