Coleoidea, Crustaceans, nudibranch mollusks and polychaete worms make up a large part of the larger zooplankton. |
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The microscopic structure of the setae is identical to that of the chaetae of polychaete worms. |
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Spirorbis borealis, another benthic, tubicolous polychaete, releases its larvae at the first and third quarters of the moon. |
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In this regard their mode of life may have been quite similar to fossil and recent species of tubicolous polychaete worms, such as serpulids. |
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Silurian ramphoprionid polychaete annelids, represented by their jaws, are described from extensive collections from Gotland, Sweden. |
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Various species of polychaete are known as lugworms, clam worms, bristleworms, and sea mice. |
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I especially enjoy working with polychaete fauna, but kinorhynchs are a close second. |
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In addition, the pulmonate snail, the marsh clam, and several polychaete worms were abundant. |
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The anteriorly situated, eversible ciliated pits resemble nuchal organs of polychaete annelids. |
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In this respect, as indeed in their microstructure, the sclerites of Wiwaxia are fundamentally more comparable to polychaete chaetae. |
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In echiurans, sipunculans and in most polychaete annelids at least portions of the coelomic lining form the somatic and visceral musculature. |
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Reversed handedness among fossil polychaete jaws was recently described by Bergman. |
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Scolecodonts are the isolated jaws of polychaete annelid worms. |
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We often find brittle stars, polychaete and fire worms, various tiny crustaceans, mantis shrimp and even the occasional octopus. |
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The polychaete worm Chaetopterus uses a bag of mucus, secreted by special body appendages, to strain the water it pumps through its burrow. |
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Orthonectids, such as Rhopalura, occur in a variety of marine invertebrates, e.g., brittle stars, bivalve mollusks, and polychaete annelids. |
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The name is also occasionally applied to members of the closely related polychaete family Serpulidae. |
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The snow crab diet includes fish, clams, polychaete worms, brittle stars, shrimp, and other crustaceans. |
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Burrowing polychaete worms, living in mudflat intertidal areas, are extremely abundant. |
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Laboratory-cultured spionid polychaete worms of the species Polydora cornuta are used in this biological test method. |
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Small fossilized pieces of polychaete jaws are called scolecodonts, and are typically the only part of the animal to be fossilized. |
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The annelids include earthworms, polychaete worms, and leeches. |
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Muller and Westheide found the innervation pattern of myzostomid parapodia and marginal cirri to be identical to that of polychaete parapodia and cirri. |
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Crustaceans, nematodes, trematodes, and polychaete annelids also serve as parasites. |
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The estuary is the only British location for the polychaete worm Ophelia bicornia. |
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Scolecodonts are the partly organic, fossil remains of the jaw apparatus, a tooth-like structure, of eunicid polychaete annelid worms. |
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It looks very likely that our field collections will reveal many new species, possibly including 20 polychaete worms and many records for this area, such as 20 new plant species and five new fishes. |
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It supports a rich invertebrate fauna, mainly consisting of polychaete worms, mollusks, and brachyuran crabs. |
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The birds consume a variety of invertebrates: examples include polychaete worms, bivalves such as Macoma balthica in James Bay, and the abundant mud shrimp Corophium volutator in the Bay of Fundy. |
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Some organisms, such as algae, sponges, polychaete worms, and boring clams, are able to bore into rock by releasing chemicals that help to break down the rock. |
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Most polychaete worms are externally segmented. |
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They concern in particular benthic invertebrates with limited or no mobility in loose or rocky substrates: echinoderms, crustaceans, bivalves, gastropods and polychaete in particular. |
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Other faunal groups, such as the polychaete worms and isopod crustaceans, appear to be endemic to certain specific plains and basins. |
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Coral Preference of the polychaete Spirobranchus giganteus in the Belize Barrier Reef. |
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A rich diversity of polychaete worms may occur on muddier beaches, and seagrass, Zostera species, may form beds which stabilize sediments and provide a surface for other species. |
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Biogenic reefs are created by living stone coral, Astrangia poculata, certain shellfishes, and polychaete worms, such as Sabellaria vulgaris. |
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The shell-boring polychaete species were identified on the basis of fifth setiger chaetae, prostomium and pygidium morphology, and branchiae distribution. |
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