Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.asd.2013.10.007
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dc.titleA crab with three eyes, two rostra, and a dorsal antenna-like structure
dc.contributor.authorScholtz, G.
dc.contributor.authorNg, P.K.L.
dc.contributor.authorMoore, S.
dc.date.accessioned2014-10-27T08:18:58Z
dc.date.available2014-10-27T08:18:58Z
dc.date.issued2014-03
dc.identifier.citationScholtz, G., Ng, P.K.L., Moore, S. (2014-03). A crab with three eyes, two rostra, and a dorsal antenna-like structure. Arthropod Structure and Development 43 (2) : 163-173. ScholarBank@NUS Repository. https://doi.org/10.1016/j.asd.2013.10.007
dc.identifier.issn14678039
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/99821
dc.description.abstractWe describe a malformed specimen of the freshwater crab Amarinus lacustris from New Zealand. With three eyes in a horizontal row, two rostra, and a dorsal antenna-like structure, the pattern of malformation of this animal is unique and has not been described before. A careful inspection and description of external and internal structures, in particular the central nervous system, were carried out. These revealed, in addition to the external abnormalities, a retarded brain with a hypertrophied and backwards bent protocerebrum connected with all three eyes and putatively with the dorsal antenna-like structure. Based on these data, a variety of hypotheses about the causes for this kind of malformation are discussed. A scenario combining a conjoined twin (Duplicitas anterior) based on the duplication of the embryonic anterior head lobes and a regeneration event leading to the replacement of an eye by an antenna shows the best fit to the observed patterns. © 2013 Elsevier Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.asd.2013.10.007
dc.sourceScopus
dc.subjectBrain
dc.subjectCrustacea Decapoda
dc.subjectDevelopment
dc.subjectRegeneration
dc.subjectSiamese twins
dc.typeArticle
dc.contributor.departmentBIOLOGICAL SCIENCES
dc.description.doi10.1016/j.asd.2013.10.007
dc.description.sourcetitleArthropod Structure and Development
dc.description.volume43
dc.description.issue2
dc.description.page163-173
dc.description.codenASDRC
dc.identifier.isiut000333728900007
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