Results 1 to 10 of about 1,318 (197)

A new genus and species of nudibranch-mimicking Syllidae (Annelida, Polychaeta). [PDF]

Sci Rep
Nudibranch mollusks, which are well-known for their vivid warning coloration and effective defenses, are mimicked by diverse invertebrates to deter predation through both Müllerian and Batesian strategies. Despite extensive documentation across different
Jimi N, Britayev TA, Sako M, Woo SP, Martin D.   +4 more
europepmc   +4 more sources

Morphological and molecular study of Syllinae (Annelida, Syllidae) from Bermuda, with the description of five new species. [PDF]

R Soc Open Sci, 2023
Although polychaetes from the Bermuda Archipelago have been studied since the beginning of the twentieth century, syllids have been particularly neglected in this area, which is surprising considering this family is usually a dominant group in marine ...
Moreno-Martín P, Mourín M, Verdes A, Álvarez-Campos P.   +3 more
europepmc   +2 more sources

Gaps and Data Ambiguities in DNA Reference Libraries: A Limiting Factor for Molecular-Based Biodiversity Assessments Using Annelids as a Case Study. [PDF]

Ecol Evol
Regional DNA reference libraries are crucial for molecular biodiversity assessments, yet they remain incomplete, limiting their effectiveness. Using annelids from the Arabian Peninsula as a case study, we identified considerable gaps in species coverage and minimal representation in public databases.
Teixeira MAL, Aylagas E, Pearman JK, Carvalho S.   +3 more
europepmc   +2 more sources

Sperm ultrastructure of Odontosyllis ctenostoma (Polychaeta: Syllidae) with inferences on syllid plylogeny and reproductive biology.

Scientia Marina, 2008
The analysis of the complex reproductive patterns of Syllidae may drastically change the taxonomic hierarchy of the family. To further contribute to the knowledge of Syllidae we have described the sperm ultra-structure and some steps of spermiogenesis of
MUSCO, LUIGI, Gherardi, Miriam, GIANGRANDE, Adriana, MERCURIO M, Mercurio, Maria, LEPORE E, SCISCIOLI M., Lepore, Elena, GHERARDI M, Sciscioli, Margherita   +9 more
core   +2 more sources

New insights into the <i>Syllis prolifera</i> species complex from the eastern Mediterranean Sea. [PDF]

Zookeys
Reports of cases of cryptic and pseudocryptic speciation have increased in the last decade among marine invertebrates thanks to the use of integrative taxonomy that combines all available data sources to correctly establish species boundaries, now ...
Belvis F, Martín-Hervás MR, Del Olmo I, Ruiz V, Álvarez-Campos P.   +4 more
europepmc   +4 more sources

Macroid Formation in <i>Salmacina stellaebayensis</i> n. sp. From Mauritania's Baie de l'Étoile With New Insights on Mitogenome Evolution in Serpulidae (Annelida). [PDF]

Ecol Evol
We describe Salmacina stellaebayensis n. sp. from Mauritania's Baie de l'Étoile and provide the first complete mitochondrial genome for the genus Salmacina. The species forms distinctive macroid colonies in Cymodocea nodosa seagrass meadows, offering new insights into serpulid life history and habitat specialization.
Cremer HA, Kupriyanova E, Knorrn AH, Moctar SMM, Freiwald A, Tilic E.   +5 more
europepmc   +2 more sources

Within-family plasticity of nervous system architecture in Syllidae (Annelida, Errantia). [PDF]

Front Zool, 2020
Background The ground pattern underlying the nervous system of the last common ancestor in annelids was long thought to be settled, consisting of a dorsal brain, circumoesophageal connectives and a subepithelial, ladder-like ventral nerve cord with ...
Schmidbaur H, Schwaha T, Franzkoch R, Purschke G, Steiner G.   +4 more
europepmc   +2 more sources

Ultra-estructura del esperma y espermiogénesis en Syllis krohni (Polychaeta: Syllidae) con algunas observaciones de su biología reproductiva

Scientia Marina, 2006
yllidae show a wide spectrum of both reproductive strategies and sperm types. Analysis of their reproductive patterns could drastically change the presently accepted taxonomic hierarchy of the group.
Mastrodonato, Maria, Gherardi, Miriam, Musco, Luigi, Lepore, Elena, Sciscioli, Margherita, Giangrande, Adriana   +5 more
core   +3 more sources

Morphological, histological and gene-expression analyses on stolonization in the Japanese Green Syllid, Megasyllis nipponica (Annelida, Syllidae). [PDF]

Sci Rep, 2023
Benthic annelids belonging to the family Syllidae (Annelida, Errantia, Phyllodocida) exhibit a unique reproduction mode called “schizogamy” or “stolonization”, in which the posterior body part filled with gametes detaches from the original body, as a ...
Nakamura M, Oguchi K, Sato DS, Kato S, Okanishi M, Hayashi Y, Aguado MT, Miura T.   +7 more
europepmc   +2 more sources

Regeneration of Lumbriculus variegatus requires post-amputation production of reactive oxygen species. [PDF]

Dev Growth Differ
In many animal species, regeneration requires reactive oxygen species (ROS), but it is unknown if ROS are needed for annelid regeneration. We observed rapid accumulation of ROS at the amputation site of the annelid Lumbriculus variegatus. Inhibiting ROS production impaired regeneration, arguing for a phylogenetically ancient involvement of ROS in ...
Beinart FR, Gillen K.
europepmc   +2 more sources