Results 21 to 30 of about 396 (128)

Medusae and ctenophores from the Bahia Blanca Estuary and neighboring inner shelf (Southwest Atlantic Ocean, Argentina) [PDF]

open access: yes, 2017
An updated checklist of medusae and ctenophores is presented for the first time for the area comprised by the Bahía Blanca Estuary, the adjacent shelf El Rincón and Monte Hermoso beach, on the southwest coast of Buenos Aires province (Argentina).
Dutto, María Sofía   +5 more
core   +1 more source

Towards understanding the phylogenetic history of Hydrozoa: Hypothesis testing with 18S gene sequence data

open access: yesScientia Marina, 2000
Although systematic treatments of Hydrozoa have been notoriously difficult, a great deal of useful information on morphologies and life histories has steadily accumulated. From the assimilation of this information, numerous hypotheses of the phylogenetic
A. G. Collins
doaj   +1 more source

The Phylum Cnidaria: A Review of Phylogenetic Patterns and Diversity 300 Years After Linnaeus [PDF]

open access: yes, 2007
Systema Naturae includes representatives of every major lineage of the animal phylum Cnidaria. However, Linnaeus did not classify the members of the phylum as is now done, and the diversity of the group is not well represented.
Brugler, Mercer R.   +11 more
core   +5 more sources

Description of Some Oceanic Hydromedusae from Japan [PDF]

open access: yes, 1997
Based on zooplankton collections made by Fisheries Three species of oceanic hydromedusae, Sminthea eurygaster, Crossota alba, and Cytaeis tetrastyla, are described and illustrated based on the specimens collected in the Pacific Ocean, off central Honshu,
Kitamura, Minoru   +2 more
core   +1 more source

Are jellyfish increasing in response to ocean acidification? [PDF]

open access: yes, 2008
Ocean acidification may negatively affect calcifying plankton, opening ecological space for noncalcifying species. Recently, a study of climate-forcing of jellyfish reported the first analysis suggesting that there were more jellyfish (generally ...
Gibbons, Mark J., Richardson, Anthony J.
core   +1 more source

Trachymedusae Haeckel 1866

open access: yes, 2021
Order Trachymedusae Family Rhopalonematidae Russell ...
openaire   +2 more sources

On a New Deep-Water Trachymedusa [PDF]

open access: yesJournal of the Marine Biological Association of the United Kingdom, 1961
Anew species of deep-water txachymedusa from the North Atlantic is described and named Colobonema apicatum. Most specimens occurred deeper than 1500 m.
openaire   +1 more source

Questioning the rise of gelatinous zooplankton in the World's oceans [PDF]

open access: yes, 2012
During the past several decades, high numbers of gelatinous zooplankton species have been reported in many estuarine and coastal ecosystems. Coupled with media-driven public perception, a paradigm has evolved in which the global ocean ecosystems are ...
Acuña   +81 more
core   +4 more sources

Photosynthetic planulae and planktonic hydroids: contrasting strategies of propagule survival [PDF]

open access: yes, 2000
Settlement delays can be important to prevent propagule waste when proper settling substrates are not immediately available. Under laboratory conditions, the planulae of Clytia viridicans underwent two alternative developmental patterns.
Boero, F., Bouillon, J., Pagliara, P.
core   +3 more sources

Phylogenetics of Trachylina (Cnidaria: Hydrozoa) with new insights on the evolution of some problematical taxa [PDF]

open access: yes, 2014
This is the published version, also available here: http://dx.doi.org/10.1017/S0025315408001732.Some of the most interesting and enigmatic cnidarians are classified within the hydrozoan subclass Trachylina. Despite being relatively depauperate in species
Bentlage, Bastian   +8 more
core   +2 more sources

Home - About - Disclaimer - Privacy