Results 121 to 130 of about 11,562 (259)

Hallazgo de Symplectoscyphus bathyalis Vervoort, 1972 (Cnidaria, Hydrozoa) en el Cañón de La Gaviera (Golfo de Vizcaya, España, Atlántico nordeste) [PDF]

open access: yesMunibe Ciencias Naturales, 2012
Durante una campaña de muestreo en el Cañón de La Gaviera (Golfo de Vizcaya, España, Atlántico nordeste), se ha obtenido el hidrozoo Symplectoscyphus bathyalis Vervoort, 1972 (Cnidaria, Hydrozoa) en dos estaciones a 700 m y 790 m de profundidad.
ALTUNA, A.
doaj  

Density regulation inSarsia tubulosa (Hydrozoa) [PDF]

open access: yesHelgoländer Meeresuntersuchungen, 1980
The majority of wild-caughtSarsia tubulosa M. Sars medusae are less dense than the surrounding water. The bell ofS. tubulosa is the buoyant structure; the tentacles and manubrium sink if cut off from the bell.S. tubulosa individuals placed in dilute seawater sink initially but recover positive or neutral buoyancy and normal activity within a couple of ...
openaire   +2 more sources

Heterochrony, generic distinction and phylogeny in the family Hydractiniidae (Hydrozoa, Cnidaria) [PDF]

open access: yes, 1998
The taxonomy of Hydractinia, Stylactaria and Podocoryna is discussed and the three genera are merged into Hydractinia since their diagnostic characters are liable to lead to polyphyly and paraphyly, due to repeated episodes of medusa reduction via ...
Boero, F., Bouillon, J., Piraino, S.
core  

Global Diversity of the Stylasteridae (Cnidaria: Hydrozoa: Athecatae)

open access: yesPLoS ONE, 2011
The history and rate of discovery of the 247 valid Recent stylasterid species are discussed and graphed, with emphasis on five historical pulses of species descriptions. A table listing all genera, their species numbers, and their bathymetric ranges are presented.
openaire   +6 more sources

Revisiting mitogenome evolution in Medusozoa with eight new mitochondrial genomes. [PDF]

open access: yesiScience, 2023
Ling MK   +5 more
europepmc   +1 more source

Sponges, Hydrozoa and Polyzoa of Seistan

open access: yes, 1919
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Speciation and phylogeography in the cosmopolitan marine moon jelly, Aurelia sp. [PDF]

open access: yes, 2005
Background: The cosmopolitan moon jelly Aurelia is characterized by high degrees of morphological and ecological plasticity, and subsequently by an unclear taxonomic status. The latter has been revised repeatedly over the last century, dividing the genus
Jarms, Gerhard   +3 more
core  

Records of the non-native alga Acanthophoraspicifera (Rhodophyta) and their colonial epibionts in La Paz Bay, Gulf of California. [PDF]

open access: yesBiodivers Data J, 2023
Mendoza-Becerril MA   +3 more
europepmc   +1 more source

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