Evolution of Synonymous Codon Usage in the Mitogenomes of Certain Species of Bilaterian Lineage with Special Reference to Chaetognatha [PDF]
Bioinformatics and Biology Insights, 2016 Chaetognatha is a minor phylum, comprising transparent marine invertebrates varying in size from 0.5 to 12 cm. The exact phylogenetic position of Chaetognatha in Metazoa has not been deciphered as some embryological characteristics place chaetognaths ...
Sudeesh Karumathil
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, 2015 AbstractAccording to palaeontological evidence, Chaetognatha (arrow worms), a group of small marine predators that are major components of the zooplankton throughout our world oceans, were already present in the Early Cambrian Chengjang, in the Middle Cambrian Burgess Shale.
Steffen Harzsch, Yvan Perez
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Pathways of Pelagic Connectivity: Eukrohnia hamata (Chaetognatha) in the Arctic Ocean
Frontiers in Marine Science, 2020 The dramatic warming of the Arctic Ocean will impact pelagic ecosystems in complex ways, including shifting patterns of species distribution and abundance, and altering migration pathways and population connectivity.
Leocadio Blanco-Bercial, Ann Bucklin
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POPULATION STRUCTURE OF FEROSAGITTA FEROX (CHAETOGNATHA) IN THE NORTHWEST COASTAL WATERS OF THE PERSIAN GULF [PDF]
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2008 Population dynamics of Ferosagittaferox (Chaetognatha) was carried out in coastal waters Of Khur-e-Mussa's Channel in Khuzestan Province, northwest Persian Gulf.
A. Savari; M. Haghi; s. Dehghan mediseh
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Chaetognatha of the Namibian Upwelling Region: Taxonomy, Distribution and Trophic Position [PDF]
PLoS ONE, 2013 In October 2010, the vertical distribution, biodiversity and maturity stages of Chaetognatha species were investigated at four stations located off Walvis Bay, Namibia.
Rolf Koppelmann
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Chaetognatha encontrados em águas brasileiras [PDF]
Boletim do Instituto Oceanográfico, 1961 Este trabalho contém a descrição de quatro espécies de Sagitta coletadas em águas brasileiras. Sagitta friderici - A epiderme apresenta numerosas manchas e cerdas sensoriais distribuídas regularmente. Colarinho nítido. Fórmula da armadura bucal:. Comprimento da cauda em relação ao comprimento total: 25,8 a 29,1%.
Melina Prado
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Role of arrowworm Sagitta elegans (Chaetognatha) in plankton communities of the western Bering Sea
Известия ТИНРО, 2021 Arrowworm Saggita elegans is one of the important and abundant species in zooplankton communities of the western Bering Sea. Interannual variability of their biomass is considered on the data of long-term surveys conducted in 1986–2018, the species ...
E. P. Dulepova
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Unveiling pelagic-benthic coupling associated with the biological carbon pump in the Fram Strait (Arctic Ocean) [PDF]
Nature CommunicationsSettling aggregates transport organic matter from the ocean surface to the deep sea and seafloor. Though plankton communities impact carbon export, how specific organisms and their interactions affect export efficiency is unknown.
Simon Ramondenc +7 more
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Chaetognatha, Spadellidae, Paraspadella nana Owre, 1963: new occurrence from the southwest Atlantic Ocean [PDF]
Check List, 2010 Chaetognaths are composed by six families and among them Spadellidae is strictly benthic. This study reports the first occurrence of Paraspadella nana Owre, 1963 in the coastal zone located in the northern region of Espírito Santo state (19°51’12” S, 40 ...
Michele Arruda +2 more
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Redescription ofHeterokrohnia mirabilis Ritter-Záhony, 1911 (Chaetognatha) [PDF]
Helgoländer Meeresuntersuchungen, 1991 The genusHeterokrohnia Ritter-Zahony, 1911 is redefined and the speciesH. mirabilis Ritter-Zahony, 1911 redescribed. The redescription is based upon the type specimens from Antarctic waters and additional specimens from Atlantic and Arctic waters. The species is compared to others of the genus.
H Kapp
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