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Hooked on zombie worms? Genetic blueprints of bristle formation in Osedax japonicus (Annelida)
BackgroundThis study sheds light on the genetic blueprints of chaetogenesis (bristle formation), a complex biomineralization process essential not...
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Formation and degeneration of scaled capillary notochaetae in Owenia fusiformis Delle Chiaje, 1844 (Oweniidae, Annelida)
Phylotranscriptomic studies of the past decade have repeatedly placed Oweniidae together with Magelonidae, as the sister group to remaining annelids....
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Morphological-genetic analysis of Potamothrix hammoniensis (Michaelsen, 1901) (Clitellata: Oligochaeta) with phylogeographic inferences: a case study in Türkiye
Potamothrix hammoniensis (Michaelsen, 1901) is one of the freshwater Clitellata species of Ponto-Caspian origin. Nearly 30 distinct morphological...
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Polydora websteri—A Commensal of Anadara kagoshimensis in the Azov-Black Sea Region
AbstractThe occurrence of polychaete borers was recorded from the alien clam Anadara kagoshimensis (Tokunaga, 1906) at Chushka Spit near Port Kavkaz...
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Saccocirridae (Annelida) from the Canary Islands with a description of Saccocirrus slateri sp. nov.
Two species of Saccocirrus , S. slateri sp. nov. and S. parvus Gerlach, 1953 are recorded from samples collected in nine sandy beaches throughout the...
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Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Spionidae and Poecilochaetidae
This paper represents a continuation of taxonomic publications on the benthic fauna of polymetallic nodule fields in the eastern Clarion-Clipperton...
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Freshwater Annelida of Iraq
The Annelida is a large phylum , with over than 22,000 species, including ragworms...
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Ramisyllis kingghidorahi n. sp., a new branching annelid from Japan
Among over 20,000 species of Annelida, only two branching species with a highly modified body-pattern are known until now: the Syllidae Syllis ramosa ...
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Hidden burrow associates: macrosymbiotic assemblages of subtidal deep-burrowing invertebrates in the northern part of the Sea of Japan
The activity of deep-burrowing macrofauna strongly influences all biogeochemical processes in sublittoral soft sediments. Despite this key role,...
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Changes in Body Proportions during Growth of the Hydrothermal Vestimentiferan Oasisia alvinae Jones 1985 (Annelida, Siboglinidae)
AbstractDuring the growth of hydrothermal vestimentiferan Oasisia alvinae the trunk part of body was found to be elongated (from 51 to 83.4% of the...
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Chironomidae (Diptera: Insecta) from Sirwan River watershed of Kurdistan (Iran) with new faunistic records for Iran and range extensions for the Palearctic region
We present the description of Chironomidae (Diptera) collected from Sirwan River watershed in Kurdistan province of Iran. This study is part of a...
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Two new species of Branchiosyllis Ehlers, 1887 (Annelida: Polychaeta: Syllidae) and redescription of Branchiosyllis exilis (Gravier, 1900), from Socotra Archipelago (Yemen, Indian Ocean)
In this paper we describe three species belonging to the genus Branchiosyllis Ehlers, 1887, collected from different areas of the Socotra...
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A new cockroach, with bipectinate antennae, (Blattaria: Olidae fam. nov.) further highlights the differences between the Burmite and other faunas
Only a few families have been recognized in the 320 million year history of cockroaches. The 31st one, represented by monotypic Ol xiai sp. n. from...
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The central nervous system of Oweniidae (Annelida) and its implications for the structure of the ancestral annelid brain
BackgroundRecent phylogenomic analyses congruently reveal a basal clade which consists of Oweniidae and Mageloniidae as sister group to the remaining...
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C
a genus of ammonoids in the order Ammonitida and family Cardioceratidae. Generally about 4 inches in diameter and 2 inches wide at the aperture, it...
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Structure, function and cell dynamics during chaetogenesis of abdominal uncini in Sabellaria alveolata (Sabellariidae, Annelida)
BackgroundDynamic apical microvilli of a single cell, called the chaetoblast, inside an ectodermal invagination form the template of annelid chaetae....
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Chaetal type diversity increases during evolution of Eunicida (Annelida)
Annelid chaetae are a superior diagnostic character on species and supraspecific levels, because of their structural variety and taxon specificity. A...
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Phylogenetic significance of chaetal arrangement and chaetogenesis in Maldanidae (Annelida)
Chaetae are important structures to facilitate locomotion in annelids. Being at the interface between the organisms and its environment, chaetae are...
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Taxonomy, geographical and bathymetric distribution of vestimentiferan tubeworms (Annelida, Siboglinidae)
A review of the taxonomy and distribution of vestimentiferan tubeworms has been performed. The subfamily Vestimentifera comprises three...
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Neural reconstruction of bone-eating Osedax spp. (Annelida) and evolution of the siboglinid nervous system
BackgroundBone-devouring Osedax worms were described over a decade ago from deep-sea whale falls. The gutless females (and in one species also the...
