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| label
| - Ereskovsky <i>et al.</i> (2014)
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| dct:title
| - Ereskovsky <i>et al.</i> (2014)
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| dct:abstract
| - Five new species of Homoscleromorpha (Porifera) of four genera, Oscarella, Plakortis, Plakina and Corticium, are described from vertical walls of reef caves at depths ranging from 23 to 28m in the Caribbean Sea. Oscarella nathaliae sp. nov. has a leaf-like thinly encrusting, flat body, loosely attached to the substrate and a perforated, not lobate surface. Oscarella nathaliae sp. nov. contains two bacterial morphotypes and is characterized by two mesohylar cell types with inclusions. Plakortis myrae sp. nov. has diods of two categories: abundant large ones (83-119m long) and rare small ones (67-71m long) with sinuous, S-bent centres; triods Y- or T-shaped (18-5 m long), and abundant microrhabds (5-12m long). Plakortis edwardsi sp. nov. has diods of one category with thick, sinuous, S-bent centres (110 to 128m long); triods T-shaped (actines 28-59m long). It is the only species of this genus showing small diods (22-31m long). Plakortis dariae sp. nov. has diods of two categories: large ones (67-112m long) and small, rare, irregular ones, slightly curved, often deformed with one end blunt (30-59m long); triods rare and regular (actines 20-44m long). Corticium diamantense sp. nov. has oscula situated near its border, regular non-lophose calthrops of one size-class, very rare tetralophose calthrops and candelabra with the fourth actine ramified basally in 4-5 microspined rays. In addition, a re-description of Plakina jamaicensis is based on newly collected material and the type specimen. Plakortis jamaicensis has a convoluted brain-like surface; well developed sub-ectosomal cavities; irregular sinuous diods, triods, calthrops, rare monolophose calthrops, rare dilophose calthrops, rare trilophose calthrops and common tetralophose calthrops. Molecular barcoding' sequences for mitochondrial cob are given for Plakortis edwardsi sp. nov., P. dariae sp. nov., Plakina jamaicensis and Corticium diamantense sp. nov. An identification key for all western Atlantic Homoscleromorpha is provided.
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| bibo:abstract
| - Five new species of Homoscleromorpha (Porifera) of four genera, Oscarella, Plakortis, Plakina and Corticium, are described from vertical walls of reef caves at depths ranging from 23 to 28m in the Caribbean Sea. Oscarella nathaliae sp. nov. has a leaf-like thinly encrusting, flat body, loosely attached to the substrate and a perforated, not lobate surface. Oscarella nathaliae sp. nov. contains two bacterial morphotypes and is characterized by two mesohylar cell types with inclusions. Plakortis myrae sp. nov. has diods of two categories: abundant large ones (83-119m long) and rare small ones (67-71m long) with sinuous, S-bent centres; triods Y- or T-shaped (18-5 m long), and abundant microrhabds (5-12m long). Plakortis edwardsi sp. nov. has diods of one category with thick, sinuous, S-bent centres (110 to 128m long); triods T-shaped (actines 28-59m long). It is the only species of this genus showing small diods (22-31m long). Plakortis dariae sp. nov. has diods of two categories: large ones (67-112m long) and small, rare, irregular ones, slightly curved, often deformed with one end blunt (30-59m long); triods rare and regular (actines 20-44m long). Corticium diamantense sp. nov. has oscula situated near its border, regular non-lophose calthrops of one size-class, very rare tetralophose calthrops and candelabra with the fourth actine ramified basally in 4-5 microspined rays. In addition, a re-description of Plakina jamaicensis is based on newly collected material and the type specimen. Plakortis jamaicensis has a convoluted brain-like surface; well developed sub-ectosomal cavities; irregular sinuous diods, triods, calthrops, rare monolophose calthrops, rare dilophose calthrops, rare trilophose calthrops and common tetralophose calthrops. Molecular barcoding' sequences for mitochondrial cob are given for Plakortis edwardsi sp. nov., P. dariae sp. nov., Plakina jamaicensis and Corticium diamantense sp. nov. An identification key for all western Atlantic Homoscleromorpha is provided.
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| dct:issued
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| dct:bibliographicCitation
| - Ereskovsky, A. V., Lavrov, D. V. & Willenz, P. 2014. Five new species of Homoscleromorpha (Porifera) from the Caribbean Sea and re-description of <i>Plakina jamaicensis</i>. <i>Journal of the Marine Biological Association of the United Kingdom</i>, 94(2): 285-307.
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| bibo:doi
| - 10.1017/S0025315413000295
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