Understanding linguloid brachiopods: Obolus and Ungula as examples
نویسندگان
چکیده
منابع مشابه
‘Flapping valves’ in brachiopods
M. J. S. Rudwick and others postulate ‘rhythmic-flow’ feeding for the Permian richthofeniacean bi-achiopods, whereas R. E. Grant claims that they fed by normal ciliary action. Suspension-feeding has two components, current generation and food capture; normal brachiopod lophophores d o both, but this is neither universal nor compulsory among animals. Opening and closing the richthofeniid shell g...
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ژورنال
عنوان ژورنال: Carnets de géologie (Notebooks on geology)
سال: 2003
ISSN: 1634-0744,1765-2553
DOI: 10.4267/2042/298