lamp shell

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Related to lamp shell: Tunicates

lamp shell,

common name for animals of the phylum BrachiopodaBrachiopoda
, phylum of shelled sessile or sedentary marine animals, commonly known as lamp shells, and characterized by a peculiar feeding organ, the lophophore. The shell consists of two parts, called valves, that completely enclose the body; the external appearance of the
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In the phylum Brachiopoda (lamp shells), which is an important phylum for evolutional studies, the C value of only 2 species have been estimated (Britten & Davidson 1971, Cohen & Gawthrop 1997).
Vargas (1987, 1988) also listed the presence of peanut worms (Sipuncula), Glottidia audebarti (Broderip, 1835) lamp shells (Brachiopoda) and acorn worms (Enteropneusta).
He determined that two of the most important and plentiful groups of marine animals 250 million years ago were corals and brachiopods, also called lamp shells.