Results 81 to 90 of about 6,729 (216)

*) Penulis Penanggung Jawab Studi Taksonomi Bintang Laut (Asteroidea, Echinodermata) Dari Kepulauan Karimunjawa, Jepara [PDF]

, 2012
Sea stars play an important role in food webs, generally as predators and detritus feeder. This research has been conducted in December 2011 – March 2012. This research is subjected to achieved its biodiversity in the Karimunjawa Islands.
Puspitasari, P. (Puspitasari)
core  

The Abundance and Diversity of Echinoder in Tidal Zone of Cingkuak Island and Pasumpahan Island West Sumatra [PDF]

, 2015
This research carried out in June 2013 on the island of Pasumpahan Cingkuak and West Sumatra Province. The purpose of research is to determine the abundance and diversity of Echinodermata. The method used in this research is a survey method.
Ikhwan, Y. (Yusni), Raya, R. D. (Rosanti), Tanjung, A. (Afrizal)   +2 more
core  

Análisis de la diversidad y nuevos registros de equinodermos (Echinodermata) para el Parque Nacional Revillagigedo, México

Revista Mexicana de Biodiversidad
Compuesto por 4 islas volcánicas tropicales, el archipiélago de Revillagigedo cuenta con ecosistemas únicos y bien preservados que lo han incluido en la lista de patrimonio mundial de la UNESCO.
Ingrid Yutzil Ruiz-Nuñez, Cristian M. Galván-Villa, Omar Domínguez-Domínguez, Rebeca Granja-Fernández, Miriam Hueytletl-Pérez, Franciso Alonso Solís-Marín   +5 more
doaj   +1 more source

A newly discovered radiation of endoparasitic gastropods and their coevolution with asteroid hosts in Antarctica

BMC Evolutionary Biology, 2019
Background Marine invertebrates are abundant and diverse on the continental shelf in Antarctica, but little is known about their parasitic counterparts. Endoparasites are especially understudied because they often possess highly modified body plans that ...
Kara K. S. Layton, Greg W. Rouse, Nerida G. Wilson   +2 more
doaj   +1 more source

NEW TRIASSIC ASTEROIDEA (ECHINODERMATA) SPECIMENS AND THEIR EVOLUTIONARY SIGNIFICANCE

Rivista Italiana di Paleontologia e Stratigrafia, 2017
The Paleozoic-Mesozoic transition saw the disappearance of asteroid stem groups and the ascent of the crown group, but late Paleozoic and Triassic asteroids are rare and transition events are poorly documented.
DANIEL B. BLAKE, ANDREA TINTORI, TEA KOLAR-JURKOVŠEK   +2 more
doaj   +1 more source

Opsin evolution in the Ambulacraria [PDF]

, 2015
Opsins - G-protein coupled receptors involved in photoreception - have been extensively studied in the animal kingdom. The present work provides new insights into opsin-based photoreception and photoreceptor cell evolution with a first analysis of opsin ...
A. Valero-Gracia, A. Wanninger, Brandenburger, Braun, Burke, C.J. Lowe, Cannon, Delroisse, Delroisse, Delroisse, E. Ullrich-Lüter, E.K. Lowe, Edgar, Edgecombe, Feuda, Feuda, Galtier, Gouy, Guindon, Hargrave, Holland, J. Delroisse, J. Mallefet, J.T. Cannon, Johnsen, K.M. Halanych, Koyanagi, Kumar, Kusakabe, M. Byrne, M.I. Arnone, M.R. Elphick, Metschnikoff, Nezlin, Nielsen, O'Hara, Ooka, P. Flammang, Palczewski, Plachetzki, Porter, Raible, Randel, S. D'Aniello, S. Kaul-Strehlow, Shichida, Tamura, Telford, Terakita, Terakita, Ullrich-Lüter, Ullrich-Lüter, Whelan   +52 more
core   +2 more sources

Esteroles libres de la estrella marina echinaster sentus

Revista Colombiana de Química, 2010
La fracción lipídica de la estrella marina Echinaster sentus se estudió para conocer su composición esterólica. Las estrellas marinas son especies de invertebrados-que pertenecen al phylumechinodermata de la clase Asteroidea.
Rosabel Segura de Correa, Carmenza Duque
doaj  

Una especie nueva de estrella de mar (Echinodermata: Asteroidea) de una caverna anquialina en el Caribe mexicano

Revista Mexicana de Biodiversidad, 2010
Se describe una especie nueva de la estrella de mar del género Copidaster encontrada en un sistema de cuevas anquihalinas del Caribe, en Cozumel, México. Copidaster cavernicola n. sp. es la primera especie cavernícola de equinodermo que es descrita, y se
Francisco Alonso Solís-Marín, Alfredo Laguarda-Figueras   +1 more
doaj   +1 more source

Chemotaxis of Arbacia punctulata spermatozoa to resact, a peptide from the egg jelly layer [PDF]

, 1985
Resact, a peptide of known sequence isolated from the jelly layer of Arbacia punctulata eggs, is a potent chemoattractant for A. punctulata spermatozoa. The chemotactic response is concentration dependent, is abolished by pretreatment of the spermatozoa ...
Brokaw, Charles J., Garbers, David L., Vacquier, Victor D., Ward, Gary E.   +3 more
core   +3 more sources

QUINODERMOS (ECHINODERMATA) DE LA COLECCIÓN DE REFERENCIA DE BENTOS COSTERO DE ECOSUR

Ecosistemas y Recursos Agropecuarios, 2014
La sección de equinodermos de la Colección de Referencia de Bentos Costero de El Colegio de la Frontera Sur (ECOSUR) contiene 924 organismos agrupados en cinco clases: Crinoidea (5), Asteroidea (18), Ophiuroidea (664), Echinoidea (184) y Holothuroidea ...
BR Trujillo-Luna, NE González-Vallejo
doaj   +1 more source