Results 171 to 180 of about 16,885 (220)
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2008
Nella lista seguente sono elencate le specie di policheti segnalate in Italia; vengono riportate 876 specie appartenenti a 71 famiglie della classe Polychaeta. Rispetto alla precedente edizione della Checklist della fauna italiana (Castelli et al., 1995) si può osservare un incremento di oltre 50 specie, ampiamente superiore al 5% del totale delle ...
A. Castelli +11 more
openaire +5 more sources
Nella lista seguente sono elencate le specie di policheti segnalate in Italia; vengono riportate 876 specie appartenenti a 71 famiglie della classe Polychaeta. Rispetto alla precedente edizione della Checklist della fauna italiana (Castelli et al., 1995) si può osservare un incremento di oltre 50 specie, ampiamente superiore al 5% del totale delle ...
A. Castelli +11 more
openaire +5 more sources
1990
Abstract The annelids or ‘true’ worms form a major animal group, typically of elongated cylindrical shape and mostly ranging in length from 10mm to 150mm (although some are microscopic and a few exceed I m); the body is characteristically made up of a series of ring-like segments, indicated externally by annular constrictions.
A Nelson-Smith +2 more
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Abstract The annelids or ‘true’ worms form a major animal group, typically of elongated cylindrical shape and mostly ranging in length from 10mm to 150mm (although some are microscopic and a few exceed I m); the body is characteristically made up of a series of ring-like segments, indicated externally by annular constrictions.
A Nelson-Smith +2 more
openaire +1 more source
2020
Fil: Marchese Garello, Mercedes Rosa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral.
Marchese Garello, Mercedes Rosa +8 more
openaire +2 more sources
Fil: Marchese Garello, Mercedes Rosa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral.
Marchese Garello, Mercedes Rosa +8 more
openaire +2 more sources
2015
AbstractMyzostomida comprise a taxon of mainly soft-bodied, flattened, oval, and disc-like marine protostomes. They are usually associated with echinoderms. Most myzostomids exhibit five pairs of uniramous parapodia comprising aciculae and hooked setae, but a distinct head, pygidium, or signs of external segmentation are lacking.
Conrad Helm, Christoph Bleidorn
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AbstractMyzostomida comprise a taxon of mainly soft-bodied, flattened, oval, and disc-like marine protostomes. They are usually associated with echinoderms. Most myzostomids exhibit five pairs of uniramous parapodia comprising aciculae and hooked setae, but a distinct head, pygidium, or signs of external segmentation are lacking.
Conrad Helm, Christoph Bleidorn
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2022
The rocks with the worm passages in Donbas were known previously in the deposits of the upper carbon, in limestones and marls of araucarite thickness. For the last years the typical ??worm) layers of regional distribution and quite definite stratigraphical position are found in the deposits of low carbon in the West Donbas. They are met in the deposits
openaire +1 more source
The rocks with the worm passages in Donbas were known previously in the deposits of the upper carbon, in limestones and marls of araucarite thickness. For the last years the typical ??worm) layers of regional distribution and quite definite stratigraphical position are found in the deposits of low carbon in the West Donbas. They are met in the deposits
openaire +1 more source
2013
The phylum of segmented worms (Annelida) contains truly metameric animals. Their body consists of similar ‘rings’ that are alike not only concerning their appearance but also their inner structure. The epithelium of annelids composes a functional unit together with the muscle fibres beneath.
openaire +1 more source
The phylum of segmented worms (Annelida) contains truly metameric animals. Their body consists of similar ‘rings’ that are alike not only concerning their appearance but also their inner structure. The epithelium of annelids composes a functional unit together with the muscle fibres beneath.
openaire +1 more source