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Fast-Evolving Mitochondrial DNA in Ceriantharia: A Reflection of Hexacorallia Paraphyly?
A pattern of divergence of mitochondrial DNA completely different from those estimated for other anthozoans is demonstrated, and phylogenetic analyses indicate that Ceriantharia is not included within hexacorallians in most performed analyses, and it is proposed that the Cerantharia should be addressed as a separate clade.
All non-indigenous species were introduced recently? The case study of Cassiopea (Cnidaria: Scyphozoa) in Brazilian waters
- A. Morandini, S. Stampar, M. Maronna, F. D. da Silveira
- Biology, Environmental ScienceJournal of the Marine Biological Association of…
- 5 April 2016
Genetic sequence data indicate that the Brazilian jellyfishes are genetically similar to those from Bermuda, Hawaii and Florida, which are related to specimens from the Red Sea (Cassiopea and Andromeda), and it is hypothesized that the presence of C. and Andromeda in Brazil is due to an invasion event.
Upside-Down but Headed in the Right Direction: Review of the Highly Versatile Cassiopea xamachana System
An overview of the broad range of interdisciplinary research that has utilized the Cassiopea model and highlights the advantages of using the model for future research is provided.
Revision of the genus Carybdea (Cnidaria: Cubozoa: Carybdeidae): clarifying the identity of its type species Carybdea marsupialis.
While records of Carybdea marsupialis in the literature suggest a worldwide distribution of this species, the validity of some of these records has been questioned recently, as has the validity of…
Description and life cycle of the hydrozoan Hydractinia uniformis, sp. nov. (Cnidaria: Hydrozoa: Hydractiniidae), from the coast of southeastern Brazil
This new species is distinguished from all known species of the genus Hydractinia by a combination of the following characters: monomorphic colonies, long tentacles of the polyp, production of frustules, and free medusae with branched mouth arms and ocelli.
Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters.
This census compiled available records in the literature for medusozoan cnidarians and ctenophores of South America includes a synonymy list for South America, taxonomical remarks, notes on habit, and information on geographical occurrence.
Evolutionary Diversification of Banded Tube-Dwelling Anemones (Cnidaria; Ceriantharia; Isarachnanthus) in the Atlantic Ocean
It is revealed that two different species exist in the Atlantic Ocean and genetic divergence within and between Ceriantharia species is more similar to that found in Medusozoa than Anthozoa and Porifera that have divergence rates similar to typical metazoans.
CLEANER SHRIMP (CARIDEA: PALAEMONIDAE) ASSOCIATED WITH SCYPHOZOAN JELLYFISH
The interaction between the cleaner shrimp Periclimenes paivai and jellyfish is poorly known, and the association is classified as facultative commensalism, since the shrimp gain protection and probably feed on mucus produced by the jellyfish.
Linear Mitochondrial Genome in Anthozoa (Cnidaria): A Case Study in Ceriantharia
- S. Stampar, Michael Broe, J. Macrander, A. Reitzel, M. Brugler, M. Daly
- BiologyScientific Reports
- 19 July 2018
The presence of tRNAMet and tRNATrp in both ceriantharian mitogenomes supports a closer relationship between Ceriantharia and Hexacorallia than between Ceria and any other cnidarian lineage, but phylogenetic analysis of the genes contained in the mitogenome suggests that Cerianstaria is sister to a clade containing Octocor allia indicating a possible suppression of tR NATrp.
A new species of Diadumene (Actiniaria: Diadumenidae) from the subtropical coast of Brazil.
Diadumene paranaensis n. sp., collected from the Yacht Club of Paranaguá (Paranaguá Bay, Paraná State, southern Brazil), is described as a new species of sea anemone, based on external and internal…