Results 31 to 40 of about 1,026 (191)

The phylogenetic position of dicyemid mesozoans offers insights into spiralian evolution

open access: yesZoological Letters, 2017
Background Obtaining phylogenomic data for enigmatic taxa is essential to achieve a better understanding of animal evolution. Dicyemids have long fascinated biologists because of their highly simplified body organization, but their life-cycles remain ...
Tsai-Ming Lu   +3 more
doaj   +1 more source

An Introduction to the Study of Gastrotricha, with a Taxonomic Key to Families and Genera of the Group

open access: yesDiversity, 2019
Gastrotricha is a group of meiofaunal-sized, free-living invertebrates present in all aquatic ecosystems. The phylum includes over 860 species globally, of which 505 nominal species have been recorded in marine sandy sediments; another 355 taxa inhabit ...
M. Antonio Todaro   +7 more
doaj   +1 more source

Contribution of soft-bodied meiofaunal taxa to Italian marine biodiversity

open access: yesThe European Zoological Journal, 2020
Meiofauna includes an astonishing diversity of organisms, whose census is far from being complete. Most classic ecological studies have focused on hard-bodied Ecdysozoan taxa (notably Copepoda and Nematoda), whose cuticle allows determination at species ...
M. Curini-Galletti   +10 more
doaj   +1 more source

Seek and you shall find: new species of the rare genus Ornamentula (Gastrotricha: Chaetonotida) and first record outside of type-locality [PDF]

open access: yesZoologia (Curitiba), 2021
Ornamentula Kisielewski, 1991 is a monospecific genus in Order Chaetonotida. The sole species, O. paraensis Kisielewsk, 1991, is a semiplanktonic gastrotrich found in a single pond in the Amazon region of Brazil.
Axell K. Minowa, André R.S. Garraffoni
doaj   +3 more sources

Neogosseidae (Gastrotricha, Chaetonotida) from the iSimangaliso Wetland Park, KwaZulu-Natal, South Africa

open access: yesZooKeys, 2013
Among the mostly benthic gastrotrichs, the Neogosseidae (Gastrotricha, Chaetonotida) are particularly interesting from an evolutionary point of view in virtue of their planktonic lifestyle; yet, they are poorly known and uncertainties concerning ...
M. Todaro   +2 more
doaj   +1 more source

Avaliação dos métodos de amostragem para fauna perifítica em macrófitas na Reserva da Biosfera, Serra do Espinhaço, Estado de Minas Gerais, Brasil - DOI: 10.4025/actascibiolsci.v30i3.377

open access: yesActa Scientiarum: Biological Sciences, 2008
Os métodos “Jarra”, “Remocao Manual” e “Draga de Eckman modificada” foram avaliados para amostrar a fauna perifitica associada a macrofitas aquaticas. Foram coletadas 63 amostras em cinco ambientes lenticos e tres loticos na reserva da biosfera da Serra ...
Helena Lucia Menezes Ferreira   +2 more
doaj   +1 more source

Environmental DNA Reveals Diverse and Depth‐Stratified Biodiversity in East Indian Ocean Submarine Canyons

open access: yesEnvironmental DNA, Volume 8, Issue 2, March/April 2026.
Environmental DNA metabarcoding reveals diverse animal communities across Cape Range and Cloates submarine canyons off Western Australia. Two assays detected 234 species spanning 125 families across 11 phyla, highlighting canyon‐specific assemblages and demonstrating the value of eDNA for establishing biodiversity baselines in remote and poorly ...
Georgia M. Nester   +7 more
wiley   +1 more source

Freshwater Gastrotricha of Poland. I. Gastrotricha from the Tatra and Karkonosze Mountains [PDF]

open access: yesFragmenta Faunistica, 1986
Res\ilts of the research on gastrotrichan fauna of the Tatra and Karkonosze Moun­ tains. 39 species were recorded, solely of the fam ily Chaetonotidae. Out of the identified 33 species, 3 species (Chaetonotus sudeticus, Aspidiophorus tatraensis and A. tetrachaetus) are new' to science, Ch. formosus is new to the fauna of Europe, w hile Ch.
Jacek Kisielewski, Grażyna Kisielewska
openaire   +1 more source

Environmental Gradients and Ecological Processes Are Main Drivers of Eukaryotic Diversity in the Eastern Red Sea

open access: yesEnvironmental DNA, Volume 8, Issue 1, January–February 2026.
Across 266 water column samples, COI eDNA metabarcoding detected 4298 eukaryotic MOTUs spanning 40 phyla in the Eastern Red Sea. Community composition varied strongly across depth and regions, revealing hidden biodiversity patterns and providing a baseline for conservation‐oriented monitoring in a future‐ocean analogue.
Carlos Angulo‐Preckler   +14 more
wiley   +1 more source

A new non-naked species of Ptychostomella (Gastrotricha) from Brazil

open access: yesZooKeys, 2013
A new species of marine Gastrotricha from Brazil is described and discussed. Ptychostomella lamelliphora sp. n. is one of the several new taxa that were found during an extensive survey of the gastrotrich fauna carried out in 2002 and 2003 along the ...
M. Todaro
doaj   +1 more source

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