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oa African Zoology - Taxonomic studies on the Emarginulinae (Mollusca: Gastropoda: Fissurellidae) of southern Africa and Mozambique. Emarginula, Emarginella, Puncturella, Fissurisepta and Rimula

Volume 21, Issue 1
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X

 

Abstract

Nineteen species (six new) of the genera Emarginula, Emarginella, Puncturella, Fissurisepta and Rimula are discussed; the last two genera represent new records for the area. Scanning electron micrographs of shell microsculpture, radula and protoconch are given where possible; microsculpture appears to be a particularly useful taxonomic character. New species: Emarginula phrygium, E. viridicana, Puncturella voraginosa, P. serraticosta, Fissurisepta onychoides and Rimula rhips. New synonyms: Emarginula vadum Barnard, 1963 = E. undulata Melvill & Standen, 1903; Fissurisepta joschristiaensi Drivas & Jay, 1985 = Puncturella christiaensi Kilburn, 1978. Revised combination: oppressa Barnard, 1963, is an Emarginula, not an Emarginella. New record: Puncturella aethiopica von Martens, 1902, descriptionbed from the Zanzibar Channel, occurs off Natal and Transkei. Lectotypes designated and figured: Emarginula undulata Melvill & Standen, 1903, and Emarginella sibogae (Schepman, 1908).

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/content/afzoo/21/1/AJA00445096_304
1986-01-01
2019-11-13

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