Results 21 to 30 of about 1,054 (181)
Echinoidea is a marine biota with many important roles in life. Echinoidea can be found in various sea and water areas, one of which is in the waters of Doreng Beach.
Yohanes Boli Tematan +3 more
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The gonadal index and reproductive state of the sea urchin Sphaerechinus granularis were studied for a year in three populations from southeast Spain.
Inés Martínez-Pita +2 more
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Biodiversitas Echinodermata pada Ekosistem Lamun di Perairan Pulau Karimunjawa, Jepara
The seagrass ecosystem is an important ecosystem as the place of feeding ground, nursery ground, and spawning ground. One of the biotas living in the seagrass was Echinoderms.
Reni Ria Yunita +2 more
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The Affinities of the Echinoidea [PDF]
THE recent discovery that the crinoids in their ontogeny increase the number of their anibulacral post-radial ossicles by the interpolation of numerous ossicles (in pairs) between the first two primitive brachials and the radial, forming what are known as "interpolated division series, " as well as by the addition of brachials in a linear series at the
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Echinoidea from Western Persia [PDF]
THE Geological Department of Glasgow University has recently received from Dr. W. R. Smellie and Mr. J. V. Harrison some fossils collected by them which throw further light on the age of the limestones of the Persian arc at the north-western end of Luristan, about 100 miles north-east of Baghdad.
Gregory, J. W., Currie, Ethel
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ABSTRACT Pedicellariae are small appendages on the surface of the echinoid test, involved in defence, cleaning, and locomotion. Pedicellariae in three species of camarodont sea urchins common in UK waters (Paracentrotus lividus [Lamarck, 1816], Psammechinus miliaris [P.L.S Müller, 1771] and Echinus esculentus [Linnaeus, 1758]) are the focus of this ...
H. C. Reinardy +6 more
wiley +1 more source
On the Perignathic Girdle of the Echinoidea.
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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The thermal responses of barren‐forming urchins: Common patterns and knowledge gaps
Abstract As climate change accelerates, there is increasing need to understand how species and ecosystems respond to warming. The challenge we face is the huge diversity of responses among species, and their variability across biological, temporal, and spatial scales.
Claire Butler +7 more
wiley +1 more source
The present study provides the first comprehensive morphological and taxonomic account of Salmacis bicolor L. Agassiz in L. Agassiz & Desor, 1846 from Pakistan, based on recently collected specimens from the intertidal rocky shore of Manbar Island along ...
Quratulan Ahmed +3 more
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Contribution to the knowledge of echinoid fauna from Persian Gulf (Echinodermata: Echinoidea) [PDF]
Species identification is always important. Records of sea urchins and sand dollars species (Echinodermata, Echinoidea) is given from Iranian waters. Nine Species of Echinoderms were identified through the study.
Seyed Afshin Nateghi Shahrokni +3 more
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