External morphology of the choanoflagellate Salpingoeca gracilis James-Clark

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The external morphology of the generic type S. gracilis James-Clark was investigated with an EM. It is shown to possess a delicately striated lorica of the non-silicified type. As currently circumscribed the choanoflagellate genus Salpingoeca (family Salpingoecaceae), unlike all others, comprises species with non-silicified loricae as well as species with loricae strenghened by costal strips. From the present investigation it is concluded that the 4 marine Salpingoeca species with silicified loricae should be transferred to the Acanthoecacea either as members of existing genera, or under one or more new generic names.
Original languageEnglish
JournalJournal of the Marine Biological Association of the United Kingdom
Issue number3
Pages (from-to)629-634
Publication statusPublished - 1977
Externally publishedYes


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