Luces y sombras en la incorporaci??n de la Directiva de servicios

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گت بلاگز Internet Two new species of “Sphaerodoropsis” Hartman & Fauchald, 1971 (Polychaeta: Sphaerodoridae) from Iceland (BIOICE programme) / دانلود فایل

مشخصات کلی Two new species of “Sphaerodoropsis” Hartman & Fauchald, 1971 (Polychaeta: Sphaerodoridae) from Iceland (BIOICE programme)

نویسنده کتاب (Author):

Moreira, Juan; Parapar, Julio

انتشارات (Publisher):

Taylor & Francis 2012

ویرایش و نوع فایل (Edition/Format):

 Downloadable article : English

منبع (Database):

WorldCat

عنوان ژورنال (Publication):

juan-moreira-julio-parapar-2012-two-new-species-of-sphaerodoropsis-hartman-fauchald-1971-polychaeta-sphaerodoridae-from-iceland-bioice-programme-marine-biology-research-87-584-593-doi

موضوع (Subject):

Polychaeta       Sphaerodoridae       Sphaerodoropsis gudmunduri sp. nov       View all subjects      

توضیحات خلاصه (Summary):

Two new species of Sphaerodoropsis Hartman & Fauchald, 1971 (Polychaeta: Sphaerodoridae), collected during the BIOICE programme on sedimentary bottoms off Iceland, are described. Sphaerodoropsis gudmunduri sp. nov. is a shelf species (<400 m) chiefly characterized by having one transverse row of up to 10–12 dorsal macrotubercles per chaetiger (‘Sphaerodoropsis group 2’) and body papillae present only on the prostomium, peristomium, parapodia and ventral surface. It also has up to 7–9 ventral papillae per chaetiger arranged following a non-random pattern and parapodia which bear one digitiform prechaetal lobe, 1–4 papillae and compound unidentate chaetae with blades with thin spinulation along their cutting edge. Sphaerodoropsis halldori sp. nov. has been found in deeper waters (>1000 m) and may be distinguished mostly by having up to 13 dorsal macrotubercles arranged in two transverse rows (6–7 macrotubercles, respectively) defining a zig-zag pattern (‘group 3’) and 7 dorsal papillae per chaetiger, up to 8–10 ventral papillae per chaetiger arranged in a non-random pattern and parapodia which bear one digitiform prechaetal lobe, one antero-lateral papilla and compound unidentate chaetae with blades with thin spinulation along their cutting edge. Both species show sexual dimorphism characterized by different arrangements of modified ventral cirri and/or special ventral structures in some mid-body chaetigers; a brief discussion about the presence of these structures on sphaerodorids and their possible importance on the systematics of the family is provided.  Read more…

ژانر / فرم:info:eu-repo/semantics/article

موضوع:Internet resource

نوع منبع:Internet Resource, Article

تمام نویسندگان / همکاران: Moreira, Juan; Parapar, Julio

شناسه OCLC:979265316

Language Note:English

فهرست محتوا:1745-1019 http://hdl.handle.net/2183/17592

نویسنده : getblogs