Results 161 to 170 of about 8,217 (211)
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Quarterly Journal of the Geological Society of London, 1928
Brachiopoda occur scattered throughout the Belemnite Marls, but are abundant only at two horizons, namely in Beds 111–112, where several species of Cincta form a well-marked band; and in Beds 118–119, where crushed specimens of Tropiorhynchia thalia (A. d'Orbigny) are predominant.
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Brachiopoda occur scattered throughout the Belemnite Marls, but are abundant only at two horizons, namely in Beds 111–112, where several species of Cincta form a well-marked band; and in Beds 118–119, where crushed specimens of Tropiorhynchia thalia (A. d'Orbigny) are predominant.
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1992
Publisher Summary This chapter describes the biology of living brachiopods. The Brachiopoda are significant components of the early Cambrian marine Faunas and are therefore one of the few phyla to be represented of the Phanerozoic era, which extends from the first widespread appearance of organisms with mineralized skeletons until modern times.
James, M.A. +5 more
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Publisher Summary This chapter describes the biology of living brachiopods. The Brachiopoda are significant components of the early Cambrian marine Faunas and are therefore one of the few phyla to be represented of the Phanerozoic era, which extends from the first widespread appearance of organisms with mineralized skeletons until modern times.
James, M.A. +5 more
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Ecology of Articulated Brachiopods
The Paleontological Society Papers, 2001Ecology is the study of the relationships between organisms and their environments. For brachiopods living in marine habitats the main external factors of interest are temperature, water chemistry, light characteristics, and oxygen availability. However, organisms also modify their environments and in many cases the biotic environment may dictate ...
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1957
Up to the present time very little has been written on the ecology of brachiopods. Most work on modern brachiopods deals with their anatomy, embryology, and morphology. Except in a general way not much has been said about how they live or their relationships to each other and contemporary associates on the sea floor.
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Up to the present time very little has been written on the ecology of brachiopods. Most work on modern brachiopods deals with their anatomy, embryology, and morphology. Except in a general way not much has been said about how they live or their relationships to each other and contemporary associates on the sea floor.
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Mantle canals on brachiopod interareas and their significance in brachiopod classification
Lethaia, 1994Wright, A.D. 1994 10 15: Mantle canals on brachiopod interareas and their significance in brachiopod classification. Mantle canals have been located on the internal surface of the interareas in several clitambonitacean brachiopod genera. This indicates that, in contrast to the cardinal areas of Recent terebratulides and rhynchonellides, these ...
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Quarterly Journal of the Geological Society of London, 1906
To be able to arrange, in the Geological Department of the British Museum (Natural History), the species known as Terebratula diphya and T. diphyoides , with their allies, it was necessary to ascertain the generic and specific names which such shells should bear.
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To be able to arrange, in the Geological Department of the British Museum (Natural History), the species known as Terebratula diphya and T. diphyoides , with their allies, it was necessary to ascertain the generic and specific names which such shells should bear.
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Notes for a Short Course: Studies in Geology, 1981
Brachiopods are characterized by being solitary, bivalved, bilaterally symmetrical coelomates. A ciliated, filament-bearing lophophore occupies much of the mantle cavity of all living representatives and functions as the principal food-gathering and respiratory organ of the animal. The coelom is divided into two principal spaces. The largest one is the
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Brachiopods are characterized by being solitary, bivalved, bilaterally symmetrical coelomates. A ciliated, filament-bearing lophophore occupies much of the mantle cavity of all living representatives and functions as the principal food-gathering and respiratory organ of the animal. The coelom is divided into two principal spaces. The largest one is the
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Paleontological Journal, 2014
Bilateral symmetry is generally typical for brachiopods, although it is sometimes disturbed in living and fossil brachiopods of different orders by some topical and trophic reasons. Asymmetry is observed in both outer and inner structures of these invertebrates, mostly in the shell shape and organs connected with filtration.
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Bilateral symmetry is generally typical for brachiopods, although it is sometimes disturbed in living and fossil brachiopods of different orders by some topical and trophic reasons. Asymmetry is observed in both outer and inner structures of these invertebrates, mostly in the shell shape and organs connected with filtration.
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Paleobiology, 1981
The pedicle differentiates brachiopods from all other phyla. With its associated musculature, it is more variable than any other brachiopod system at or above the generic level and is considered to contribute to the versatility of behavior possessed by some species. Differences in pedicle type are reflected clearly in the beak.
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The pedicle differentiates brachiopods from all other phyla. With its associated musculature, it is more variable than any other brachiopod system at or above the generic level and is considered to contribute to the versatility of behavior possessed by some species. Differences in pedicle type are reflected clearly in the beak.
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1990
The bryozoans (moss animals) and the brachiopods (lamp shells) are related by having the same type of food-taking organ, the lophophore, which lies beneath the tentacles. Together with the phoronids, these animals are therefore called lophophorates. The bryozoans are also called ectoprocts, from ecto, outer, and proktos, anus.
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The bryozoans (moss animals) and the brachiopods (lamp shells) are related by having the same type of food-taking organ, the lophophore, which lies beneath the tentacles. Together with the phoronids, these animals are therefore called lophophorates. The bryozoans are also called ectoprocts, from ecto, outer, and proktos, anus.
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