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dc.contributor.authorLindberg, David R.
dc.date.accessioned2020-09-03T11:21:17Z
dc.date.available2020-09-03T11:21:17Z
dc.identifier.urihttps://scholar.oxy.edu/handle/20.500.12711/10052
dc.description.abstractThe taxonomic affinities between the extinct acmaeid Collisella edmitchelli (Lipps. 1966) and Recent California species has been previously studied using highly variable exterior shell characters. I use shell structure, a character I believe to be more conservative than either shell or radular morphology, to determine the taxonomic and phylogenetic relationships of this species. The shell structure of C. edmitchelli is identical to that of C. scabra (Gould. 1846). This shell structure group is not known to occur in any other acmaeid species. Although closely related to C. scabra, C. edmitchelli is morphologically distinct and is retained as a valid, extinct species known only from Late Pleistocene deposits on San Nicolas Island. California.
dc.subjectTaxonomy
dc.subjectCollisella
dc.subjectGastropoda
dc.subjectAcmaeidae
dc.subjectPleistocene
dc.subjectLimpet
dc.subjectmorphology
dc.titleOn the Taxonomic Affinities of Collisella edmitchelli (Lipps) (Gastropoda: Acmaeidae) a Late Pleistocene Limpet from San Nicolas Island, California
dc.title.alternativeOn the Taxonomic Affinities of Collisella edmitchelli
dc.typearticle
dc.abstract.formatonep
dc.source.beginpage65
dc.source.issuescas/vol77/iss2
dc.source.issue2
dc.identifier.legacyhttps://scholar.oxy.edu/scas/vol77/iss2/3
dc.source.endpage70
dc.source.peer_reviewedTRUE
dc.source.statuspublished
dc.source.volume77
dc.source.journaltitleScas: Bulletin of the Southern California Academy of Sciences


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