Results 41 to 50 of about 498 (145)
European Journal of Taxonomy, 2022 The subgenus Hystricochaetonotus Schwank, 1990 is one of the most species-rich subgenera of Chaetonotus Ehrenberg, 1830. It has a worldwide distribution and encompasses 37 species predominantly living in the benthos and periphyton of limnetic habitats.
Františka Rataj Križanová +1 more
openaire +3 more sources
, 2017 Published as part of Kånneby, Tobias & Todaro, M. Antonio, 2017, A new species of Aspidiophorus (Gastrotricha: Chaetonotidae) from the Swedish west coast, pp.
Kånneby, Tobias, Todaro, M. Antonio
openaire +2 more sources
Meiofauna Biodiversity and Ecology [PDF]
, 2021 Sedimentary habitats cover the vast majority of the ocean floor and constitute the largest ecosystem on Earth. These systems supply fundamental services to human beings, such as food production and nutrient recycling.
core +1 more source
New Data on Reproductive System and Spermatozoa Confirm Macrodasys as a Model in Comparative Reproductive Analysis in Macrodasyida (Gastrotricha) [PDF]
, 2022 Gastrotricha Macrodasyida, aquatic worms, are primarily hermaphrodites with internal cross-fertilization and indirect sperm transfer. Insightful information on this matter dates to 1978 and derives from an illuminating work focused on two Macrodasys ...
Balsamo M. +4 more
core +1 more source
An Introduction to the Study of Gastrotricha, with a Taxonomic Key to Families and Genera of the Group [PDF]
, 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
Barquero, Juan D. +7 more
core +1 more source
Kingdom Animalia, phylum Gastrotricha (hairy-bellied worms) [PDF]
, 2023 The New Zealand Gastrotricha fauna is effectively unknown (Table 10.1; Fig. 10.1). The total number of recorded taxa from the Aotearoa New Zealand region is four genera and four undescribed species from the order Macrodasyida, and one undescribed ...
Todaro M. Antonio
core
Aspidiophorus polystictos, a new marine species (Gastrotricha, Chaetonotida) and its life cycle [PDF]
Bollettino di zoologia, 1987 Abstract Aspidiophorus polystictos, a new marine species of Gastrotricha Chaetonotida is described and compared with the species of the group A. marinus ‐ A. mediterraneus. This species is characterized by the subrectangular shape of the scales. The life cycle of individuals reared under laboratory conditions is described for the first time in marine ...
BALSAMO M. +1 more
openaire +2 more sources
First record of Chaetonotus (Primochaetus) heideri(Gastrotricha, Chaetonotida) from India [PDF]
, 2023 This study briefly reports a newly recorded gastrotrich species, Chaetonotus (Primochaetus) heideri Brehm, 1917, which was isolated from the water sample collected from the Ramsar site Khajjiar Lake, Himachal Pradesh, India.
Bharti D. +4 more
core
A comparison of intertidal metazoan biodiversity among different salinity zones of Louisiana coastal marshes [PDF]
, 2022 Tidal marshes are among the most valuable, productive, and vulnerable ecosystems with high biodiversity. Louisiana’s saltmarshes are endangered by natural and man-made stressors, including oil pollution, saltwater intrusion, and land loss due to sea ...
Aker, Benjamin G. +4 more
core +2 more sources
First ultrastructural description of an apomictic opsiblastic egg in freshwater Gastrotricha
Journal of Morphology, Volume 285, Issue 1, January 2024.The freshwater gastrotrich Lepidodermella squamata can produce up to three egg types: tachyblastic (fast hatching) parthenogenetic, opsiblastic (slow hatching) parthenogenetic, and plaque‐bearing (potentially sexual and diapause). Here, we provide an ultrastructural description of the opsiblastic egg, which is a single uncleaved ovum surrounded by a ...
Thiago Q. Araujo +3 more
wiley +1 more source