Results 61 to 70 of about 7,873 (234)

The Magelonidae (Annelida: Polychaeta) from the Seychelles 2: description of four additional species, three new to science

open access: yesScientia Marina, 2006
P align=justify>In 2000, the National Museum of Wales mounted a marine biological expedition to the Seychelles as part of the Shoals of Capricorn programme. Following this, three new species of Magelona (M. conversa, M. falcifera and M.
Kate Mortimer, Andrew S. Y. Mackie
doaj   +1 more source

Comparison of the life cycles of two populations of the polychaete Pereinereis cf. cultrifera from the Bay of Algiers (Mediterranean Sea)

open access: yesScientia Marina, 2008
The benthic phases of the life cycles of two populations of the polychaete Pereinereis cultrifera from the Bay of Algiers were investigated using field surveys. We found no differences in the life cycle of the two populations.
Leila Rouabah   +3 more
doaj   +1 more source

Flabelligena gascognensis sp. nov. (Polychaeta: Acrocirridae), a new species from the Capbreton Canyon (Bay of Biscay, NE Atlantic)

open access: yesScientia Marina, 2006
Flabelligena gascognensis (Annelida: Polychaeta), a new species of the family Acrocirridae Banse, 1969 is described from the northeastern Atlantic. The specimens were collected from the Capbreton Canyon, Bay of Biscay, at depths between 545 and 1113 m ...
Florencio Aguirrezabalaga   +1 more
doaj   +1 more source

The complete mitochondrial genome of an interstitial polychaete, Pharyngocirrus uchidai (Annelida, Saccocirridae)

open access: yesMitochondrial DNA. Part B. Resources, 2020
Pharyngocirrus Di Domenico, Martínez, Lana & Worsaae, 2014 belongs to the family Saccocirridae Bobretzky, 1872 and comprises 12 species. Of these, Pharynogocirrus uchidai is known as distributed in only East Asia (Korea and Japan). This study reports the
Jiseon Park, Taeseo Park, Jongwoo Jung
doaj   +1 more source

Intertidal macrozoobenthos in sandy beaches of Bahía Nueva (Patagonia, Argentina) and their use as bioindicators of environmental impact

open access: yesScientia Marina, 2010
Macrozoobenthos were collected from urban sandy beaches of Puerto Madryn and adjacent areas in November 2005. Multivariate analysis techniques (ANOVA, nMDS, ANOSIM, SIMPER and RDA) were used to characterize the area based on the relationships among ...
Agustina Ferrando   +3 more
doaj   +1 more source

Sperm ultra-structure and spermiogenesis in Syllis krohni (Polychaeta: Syllidae), with some observations on its reproductive biology

open access: yesScientia 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.
Elena Lepore   +5 more
doaj   +1 more source

Experimental evidence of polymorphysm of sexual development in Capitella sp. B (Polychaeta: Capitellidae) from Barcelona, Spain

open access: yesScientia Marina, 2002
The development and growth of Capitella sp. B obtained from Barcelona were studied under culture conditions. Trochophore and metatrochophore larvae hatched non-simultaneously (two release periods) from single brood tubes.
Nuria Méndez
doaj   +1 more source

Chapter 12. Class Polychaeta

open access: yes, 2020
Thorp and Covich's Freshwater Invertebrates, Volume 5: Keys to Neotropical and Antarctic Fauna, Fourth Edition, covers inland water invertebrates of the world. It began with Ecology and General Biology, Volume One (Thorp and Rogers, editors, 2015) and was followed by three volumes emphasizing taxonomic keys to general invertebrates of the Nearctic ...
Glasby, C. J.   +2 more
openaire   +1 more source

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