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Atlanta lesueurii Gray, 1850

This species has a similar shell morphology to Atlanta oligogyra. The main identifying feature is the deeper sutures of the spire. Juvenile specimens can be difficult to identify from Protatlanta souleyeti, which also has very few whorls in the spire.

 

Synonyms:

Atlanta primitia Smith, 1888

  • The spire is very small, with only 2½ whorls and has no ornmentation.

  • The sutures of the spire are deep, so that the individual whorls can be seen.

  • The adult shell is colourless and up to 6 mm. Only a single adult whorl is formed, giving the adult shell an elongate shape.

  • The keel is tall and inserts a short way between the final and penultimate whorls.

  • Eye type b, operculum type b, radula type I.

 

Similar species:

 

 

 

Further Reading:

 

Richter, G., 1986. Zur Kenntnis der Gattung Atlanta (II). Atlanta lesueuri Souleyet und Atlanta oligogyra Tesch (Prosobranchia: Heteropoda). Archiv für Molluskenkunde 117, 19–31.

 

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.

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