brachiopod


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brachiopod

any marine invertebrate animal of the phylum Brachiopoda, having a ciliated feeding organ (lophophore) and a shell consisting of dorsal and ventral valves
References in periodicals archive ?
33%]), brachiopods (order Terebratulida [11%]), the white sea urchin (Lytechinus anamesus [9%]), the fragile sea urchin (Allocentrotus fragilis [4%]), and sea pens (suborder Subselliflorae; [2%]; Fig.
Predation by durophageous chondrichthyans explains the dorsoventral flattening of brachiopod shells in an environment with low energy currents.
greater than] 6 m) assemblages, composed of sponges, bryozoans, brachiopods, cnidarians, and ascidians (Grange et al.
The sequence of Permian brachiopod assemblages in South China.
Earliest ontogeny of Middle Ordovician rhynchonelliform brachiopods (Clitambonitoidea and Polytoechioidea): implications for brachiopod phylogeny.
The Bryozoans rich Packstone facies (AMB 3A) has good faunal preservation and is dominated by the bioclasts of bryozoan (25%), echinoderm (2%), brachiopod (15%), fusulinid (10%), and unidentified bioclast (5%).
After the opportunistic strategy conducted by Soaresirhynchia bouchardi the distribution of the post-ETMEE brachiopod assemblages is markedly influenced by the depositional sequences, entailing premature turnovers and involving the earlier record of homeomorphic morphotypes of younger terebratulides and rhynchonellides.
Paterson, "The Scleritome of Paterimitra: An Early Cambrian Stem Group Brachiopod from South Australia," Proceedings of the Royal Society B 276 (2009): 1651-6; and L.
In the New Zealand fiords, where the present study was conducted, brachiopod species can be a numerically dominant component of the sessile rockwall community (Grange and Singleton, 1988; Witman and Grange, 1998; Lee et al.
In some layers, especially of the Early Pliensbachian Jamesoni Chronozone, the reworked hollow brachiopods contain crude oil, introduced during early diagenesis, before the internal pore space of the brachiopod was completely filled by the blocky generation of calcite.