How To Use Gastropod In A Sentence
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As gardeners already know, all other slugs and snails (or gastropod mollusks, to the experts) sport a soft and slimy foot.
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However, early calapids in the Cretaceous were smaller in size and are not considered as major predators of bivalves and gastropods.
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There are more than 50 fish species whose lives are linked to Sargassum, and a myriad of invertebrates, including gastropods, polychaetes, bryozoans, anemones, and sea-spiders.
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A typical marine community consisted of these animals, plus red and green algae, primitive fish, cephalopods, corals, crinoids, and gastropods.
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These gastropods have slender, high-spired, multiwhorled shells bearing a sinistral protoconch and were united by Knight in the family Streptacididae.
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It grows as a surface incrustation on gastropod shells inhabited by the hermit crab Pagurus longicarpus.
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In the introductory paragraph of an article titled "Some sexologic observations on Oxyloma retusa (Lea)", published in 1977 in his journal Gastropodia (p. 102), he wrote:
Archive 2008-02-01
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The littoral zone was dominated by oligochaetes, gastropods, sphaerid clams, and chironomid larvae.
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The fossil content consists of ammonites, belemnites, brachiopods, echinoderms, bivalves, crinoids, gastropods, ostracodes and benthic foraminifers.
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Abundant terrestrial gastropods found clustered around fossil plant detritus may have been deposit feeders scavenging dry portions of channel floors.
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Once there, the gastropods use their belt of serrated teeth, called radula, to slice the living cordgrass.
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During this period the gastropods, like the cephalopods, underwent a tremendous evolutionary radiation.
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Development of the muskox lungworm Umingmakstrongylus pallikuukensis (Protostrongylidae), in gastropods in the Arctic.
Effects of changes in climate and UV radiation levels on structure of arctic ecosystems in the short and long term
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The major groups of drilling marine predators include octopods and gastropods.
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Of all molluscan clades, only the gastropods undergo torsion.
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Both spiney lobsters and hermit crabs have been observed attacking gastropods in this fashion and both produce the distinctive notched gastropod remains.
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The relatively small single aperture forces the anus to lie close to the mouth, and the gut is bent into a ‘U’ shape or (with gastropods) twisted on account of torsion.
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The majority of gastropods are reptant, but of these some few can swim.
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It supports a number of unlikely associations - entoprocts with nemerteans, phoronid with annelids, and pogonophorans with gastropod mollusks.
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Four new molluscan species, a bivalve and three gastropods, are named from shallow-marine, lower Upper Cretaceous strata in Oregon.
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The substrata with which a terrestrial gastropod is in contact must be sufficiently wet, the air humidity adequately high, and perhaps its food of a high enough water content so that the animal’s daily activity does not result in a negative water balance.
Archive 2009-04-01
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Loligo bleekeri was used as the out-group in all phylogenetic analyses because most authors currently consider cephalopods as the sister group of gastropods.
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That this is the general mechanism of gastropod locomotion was deduced a long time ago.
Archive 2009-08-01
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As gardeners already know, all other slugs and snails (or gastropod mollusks, to the experts) sport a soft and slimy foot.
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Marine gastropods (whelks and periwinkles) suffer sex determination defects due to tributyltin leaching from antifouling paints on ships' hulls.
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A relevant example is that of spiral sculpture in the gastropod Nucella emarginata, which ranges from strongly sculptured to smooth.
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In the gastropods groups I surveyed, 124 taxa at the subgenus and species-group level occurred in the Gatunian Province during the late Miocene and early Pliocene.
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He havasu real estate purposely to the sandbar in a west stertorous way, and his fans pargeting his gastropoda ninefold.
Rational Review
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It went on in that fashion for hours, until, late in the night, or more precisely, early in the morning after the moon had set and human activity had flagged, the stick hopped up on the ledge beside the gastropodous undine and announced that he was going to the sea.
Skinny Legs and All
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Some of the shells I collected were bittersweets which are also gastropods, but they are considered bivalves like the sunrise tellins, so they have two shells.
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This lower interval has already been analysed for pollen, diatoms, ostracods, and gastropods.
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The allosteric respiratory protein hemocyanin occurs in gastropods as tubular di -, tri - and multimers of a 35x18 nm, ring-like decamer with a collar complex at one opening.
BioMed Central - Latest articles
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4. The names of both groups end with the suffix pod; a gastropod is a "stomach-foot", while an isopod is an "equal-foot".
Archive 2007-08-01
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The columellar location of the gastropod retractor muscle is thought to be an effect of torsion.
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Hence this appeal to gastropodologists, if such a term exists, to come to the rescue and explain the unique (laevorotatory) development of the humble periwinkle.
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The fossil content consists of ammonites, belemnites, brachiopods, echinoderms, bivalves, crinoids, gastropods, ostracodes and benthic foraminifers.
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This extant gastropod, like its Pennsylvanian relative, is dominantly a deposit feeder, grazing on vegetable detritus and algae within seasonal alluvial channels.
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Handedness is known to affect patterns of mating in gastropods, making it likely that the establishment of sinistrality in dextral lineages is associated with sexual selection.
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Some sponges bore into the shells of bivalves, gastropods, and the colonial skeletons of corals by slowly etching away chips of calcareous material.
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When I am down there, I unavoidably get interested in intertidal gastropods.
Archive 2009-03-01
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Torsion in gastropods has the unfortunate result that wastes are expelled from the gut and nephridia near the gills.
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The population of Helix aspersa (Gastropoda: Helicidae) belongs to an intensive agricultural zone located in Brittany (northwestern France), in the polders of the Bay of Mont-Saint-Michel.
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The major groups of drilling marine predators include octopods and gastropods.
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Coiled shells, commonly of ammonoid cephalopods, nautiloids, or gastropods, have been given colloquial names such as rams' horns, snakestones, serpentstones, and conger eels.
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The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.
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Found along with the cephalopods are gastropods, pelecypods, echinoderms, and vertebrate bones.
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The gerontic whorl of gastropod genera of the subfamily Mitchelliinae is twisted both outwards and backwards, but not upwards as in members of the subfamily Scoliostomatinae.
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Based on gastropods, bivalves, and planktonic foraminifera, Kilmer assigned this formation to the Turonian.
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Unlike the situation with gastropods, sublethal damage is relatively easy to interpret in ophiuroids and crinoids.
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Many modern gastropods and bivalves respond to increased temperature by increasing both shell and soft tissue growth rates.
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The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.
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The package also contained a chunk of Ordovician limestone, riddled with the fossil remains of gastropods and brachiopods, from her backyard near Madison, Wisconsin.
"Steampunk happens when goths discover brown."
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The gastropod assemblage suggests an Albian age and the echinoid assemblage reportedly indicates a late Albian age.
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Other fossil groups include diverse rugose corals, some tabulate corals, nautiloids, gastropods, and trilobites.
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Being a pulmonate gastropod means that it has no gills.
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A hermaphroditic reproductive organ that produces both sperm and eggs, found in certain gastropods.
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Notable is the relative rarity of bivalves and gastropods, consistent with a deeper water environment.
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That the price of a bye-election (as opposed to its value) was uppermost in this coprophilous gastropod tells you all you need to know about the mindset of your average member of The Ovine & The Bovine.
Liberty: There is No Finer Cause
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In all of these fossils, the symbiotic colony covers the entire external surface of a gastropod shell with a thick encrustation.
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The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.
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Notable is the relative rarity of bivalves and gastropods, consistent with a deeper water environment.
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Traditionally, opisthobranchs have been recognized as a natural group and have been included within the gastropods together with prosobranchs and pulmonates.
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Sponges are preyed upon by gastropods, polychaetes, asteroids, echinoids, turtles, and fishes.
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High Priest consists of a slab of concrete resembling a giant gastropod, its jutting head flanked by rebar "antennae" - the whole form topped with a chaotic field of alligator claws.
Artforum.com
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The invasion was not limited to brachiopods but also included bryozoans, cephalopods, corals, bivalves, gastropods, trilobites, and crinoids.
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However, the initial whorl of these gastropods is unknown and therefore it is unknown whether it is tightly or openly coiled.
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The long Eocene epoch witnessed only four independent first appearances of gastropods with a labral tooth.
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As gardeners already know, all other slugs and snails (or gastropod mollusks, to the experts) sport a soft and slimy foot.
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At this stage, the project's goal is to see if dogs can police exclusion areas that have been cleared of invader snails, to ensure the gastropodous wolves aren't getting back in.
Undefined
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A major characteristic of gastropods is the torsion of their bodies: the posterior part of the mantle cavity is rotated laterally and anteriorly so that it comes to lie above the head.
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Subtidal lithologies contain peloids, ostracodes, bivalves, gastropods and oncoids (with less common benthic foraminifera and calcareous algae).
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The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.
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TGGeko (UID#2562) on August 23rd, 2009 at 9: 23 pm dawww, what an adorable gastropod!
Drippy snail | My[confined]Space
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As gardeners already know, all other slugs and snails (or gastropod mollusks, to the experts) sport a soft and slimy foot.
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Gastropods, micro-insects and acarids are restricted to several layers in the section and charophytes are only distributed in its top part.
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Included here are the gastropods, bivalves, cephalopods, and other lesser groups, as follows.
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Shell fragments of bivalves and gastropods are common in Neogene shallow-water deposits.
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Such a scenario would be consistent with the fact that Recent crinoids serve as substrate for a large variety of organisms, including annelids, arthropods, gastropods, fish, ophiuroids, and polychaetes.
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The modern trackways all had drag traces from gastropod shells.
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Of course, there are many details and variations among different gastropod taxa that still need to be worked out.
Archive 2009-08-01
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Many of the inhabitants of intertidal sand and mud flats also occur subtidally, where they are joined by tusk shells, awning clams, bittersweets, pen shells, and gastropods such as tons, helmets, harps, olives, volutes, cones and terebras.
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The main detritivore taxa were woodlice, millipedes, insects, and gastropods.
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a dextral gastropod shell with the apex upward has its opening on the right when facing the observer
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The eggs hatch into a ciliated miracidium which actively seeks out the first host, a gastropod, penetrating its skin and metamorphosing into a saclike sporocyst.
Platyhelminthes
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Sponges are preyed upon by gastropods, polychaetes, asteroids, echinoids, turtles, and fishes.
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This pattern was documented for both bivalves and gastropods and continued from the mid to late Paleocene until the early Eocene.
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They include bivalves, brachiopods, bryozoans, crinoids, gastropods, a possible monoplacophoran, nautiloids and a possible serpulid or microconchid.
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All gastropods feed by using a radula, which is a tongue-like structure covered by rows of rasping teeth.
Slugs and Snails
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But the real price is paid in dead corals, as fewer of the giant gastropods roam the ocean floor, searching for starfish to hoover the insides out of.
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The fluid, lolloping gait of the bearded gastropod demands the use of reins by the rider both for balance and for control.
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The scarce fossil record consists of bivalve and gastropod debris.
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The focal stage for this analysis is the early period of embryo encapsulation, a mode of development that has evolved several times among gastropods, polychaetes, nemerteans and flatworms.
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Its multispiral, heavily sculptured, darkly colored shell, plus its large four-lobed velum, point to a different type of snail, one of the neogastropods.
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The major groups of drilling marine predators include octopods and gastropods.
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As expected, both gastropods and bivalves show remarkably similar Ordovician diversity trajectories on a global scale, thus lending support to the synoptic model of global evolutionary faunas.
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Between the two horizons, occasional bands of brackish corbiculids intercalate with sediments containing freshwater gastropods and charophytes.
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This suggests that the number of predatory gastropods (taxa or individuals) may not be driving the decrease in epifaunal richness in these samples.
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Many other gastropods use mucus to attach to the substratum with varying degrees of adhesive strength.
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This section covers almost all of the Mollusca except the three huge clades of advanced mollusks: Bivalvia, Cephalopoda, and Gastropoda.
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Fossils include foraminiferans, brachiopods, echinoids, pelecypods, cephalopods, shark teeth, fish vertebrae, as well as asteroids, gastropods, a pterosaur, a nodosaurid, and decapods.
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During this period the gastropods, like the cephalopods, underwent a tremendous evolutionary radiation.
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The results show that red-backed salamander (Plethodon cinereus), garter snake (Thamnophis sirtalis) and gastropod abundance as well as invertebrate richness (no. of species or higher level taxa) were higher in control than in exclosure plots.
Deer and gastropods revisited
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Traditionally, opisthobranchs have been recognized as a natural group and have been included within the gastropods together with prosobranchs and pulmonates.
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The surface a gastropod is on must be sufficiently wet, the air humidity adequately high, and its food of a high enough water content so that daily activity doesn’t result in a negative water balance. (8 words shorter.)
Archive 2009-04-01
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The focal stage for this analysis is the early period of embryo encapsulation, a mode of development that has evolved several times among gastropods, polychaetes, nemerteans and flatworms.
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Using a functional definition, with Gastropoda defined solely by the presence of torsion, this is the clade that represents the class as defined by Cuvier.
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The beach sands are dominated by shells of bivalve mollusks, mainly venerids, gastropods, and echinoderms.
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The adaptations of gastropods for drilling molluscan prey also increased during the Mesozoic and Cenozoic.
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The biomineralized shells of trilobites, gastropods and brachiopods are preserved within the concretions.
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Fossils include foraminiferans, brachiopods, echinoids, pelecypods, cephalopods, shark teeth, fish vertebrae, as well as asteroids, gastropods, a pterosaur, a nodosaurid, and decapods.
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Abundant terrestrial gastropods found clustered around fossil plant detritus may have been deposit feeders scavenging dry portions of channel floors.
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Hence this appeal to gastropodologists, if such a term exists, to come to the rescue and explain the unique (laevorotatory) development of the humble periwinkle.
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A symposium on prosobranch phylogeny was held in 1986 which resulted in several papers using cladistic analysis to produce phylogenetic hypotheses of various gastropod groups.
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They also questioned the relationship between torsion and muscle scar position by noting that retractor muscles form after torsion on at least some gastropods.
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This interpretation is also indirectly supported by the close stratigraphic occurrence (Early and Middle Devonian) of these gastropod genera having such an unusual gerontic aperture.
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Such analysis is also applicable to limpet gastropods and monoplacophorans, and it might help in studies of developmental constraints on the aperture map through early evolution of conchiferous molluscs.
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Equally efficacious might be the modern definition of the same creature as a "terrestrial, air-breathing, gastropodous mollusk.
Primitive Psycho-Therapy and Quackery
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These were prepared by collecting live gastropods from the study area, boiling and removing the flesh, rinsing in seawater, and air-drying.
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In The Sound of a Wild Snail Eating Algonquin, $18.95, Bailey explains how she became fascinated with the creature, studying its habits, taking comfort in its routines and poring over gastropod literature for snail-related arcana.
3 books about nature
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The Oormer is a single-shelled gastropod that crawls (limpet-like) over the rocks feeding on algae.
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For example, even within Gastropoda and Cephalopoda, large numbers of rearrangements are common.
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In summary, examples of deviation from regular tight coiling during late shell stages and the development of a free gerontic whorl may be found in all known Cambrian-Devonian gastropod subclasses.
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This is because, unlike gastropods, ‘Tergomyans’ have not undergone torsion.
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Inspection of the literature reveals that a number of fossil species of cerithiform gastropods have a high-pyramidal spire like that of Alamirifica.
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Now it turns out that terrestrial gastropods may have been into coprophagy for quite a long time, at least since dinosaurs were around.
Archive 2008-12-01
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They counted gastropods, spiders, beetles and bugs, butterflies, lacewings and bees.
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They have an unmodified appearance like that of gastropods, chitons, and cephalopods, and, one may assume, Hecionelloids.
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For example, a small increase in temperature has a clear effect on the development of the muskox lungworm Umingmakstrongylus pallikuukensis in its gastropod intermediate hosts [153].
Effects of changes in climate and UV radiation levels on structure of arctic ecosystems in the short and long term
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I didn't leave with the best impression," said Jeremiah Bullfrog, who now runs a mobile "gastropod" out of a 1962 Airstream trailer based in Miami.
How a wartime romance gave birth to the best restaurant in the world
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Sponges are preyed upon by gastropods, polychaetes, asteroids, echinoids, turtles, and fishes.
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Glenn Robert Webb (1918-1999), his molluscan taxa, and his journal Gastropodia (1952-1994).
Archive 2008-02-01
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Tiny periwinkles, found in profusion in intertidal areas, are gastropods; as are giant tun shells from the deep waters and the quiet limpets who cling to rocks at low tide.
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a sinistral gastropod shell with the apex upward has its opening on the left when facing the observer
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Generally, soleniscid gastropods have smooth, orthostrophic early ontogenetic whorls and a tightly coiled initial whorl.
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As you can see, a conch is a gastropod — in other words, a huge freakin’ snail.
Happy Chanuconch
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Some of them may have become bottom living, crawling hunters for which a gastropod-like shell would have been more appropriate.
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The Pisaniinae comprise ovate to fusiform gastropods whose shells are sculptured with axial ribs and finer spiral cords and threads.
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The bulk of the collection is gastropods and pelecypods.
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Other species take refuge in a protective structure surrounding their body, such as polychaete tubeworms, caddis fly larvae, gastropod and bivalve mollusks, hermit crabs, barnacles, turtles, and armadillos.
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There are more than 50 fish species whose lives are linked to Sargassum, and a myriad of invertebrates, including gastropods, polychaetes, bryozoans, anemones, and sea-spiders.
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Analysis of the ecological reasons for the development of free whorls in modem gastropods may explain the reason for this condition in the Scoliostomatidae.
