Results 81 to 90 of about 6,692 (202)
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 +2 more
doaj +1 more source
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 +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. +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
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
Quantitative composition and distribution of the macrobenthic invertebrate fauna of the Continental Shelf ecosystems of the Northeastern United States [PDF]
, 1998 From the mid-1950's to the mid-1960's a series of quantitative surveys of the macrobenthic invertebrate fauna were conducted in the offshore New England region (Maine to Long Island, New York).
Theroux, Roger B., Wigley, Roland L.
core
BIODIVERSITY OF ECHINODERMATA IN MARSEGU ISLAND
Sriwijaya Journal of Environment, 2017 Echinoderms are key species that govern the structure and balance of communities and influence the sustainability of other organisms in different types of ecosystems in sea water.
Bijaya Latupono +2 more
doaj +1 more source
Abundance and Diversity of Echinoderm in Pari Island, Seribu Islands [PDF]
, 2012 Pari Island is one of the island in the Seribu Islands region. Abundance of echinoderms in Pari Island waters has been observed since 1969. In this research, data of echinoderms was collected on March 2011 applying quadratic transect method 1 x 1 m2, as ...
Arbi, U. Y. (Ucu), Supono, S. (Supono)
core +3 more sources
Improving the estimation of deep-sea megabenthos biomass: dimension to wet weight conversions for abyssal invertebrates [PDF]
, 2016 Deep-sea megafaunal biomass has typically been assessed by sampling with benthic sledges and trawls, but non-destructive methods, particularly photography, are becoming increasingly common.
Bett, Brian J. +6 more
core +2 more sources
Acta Botânica Brasílica, 2007 Levantamento de fungos zoospóricos realizado em lagos artificiais do Parque Estadual das Fontes do Ipiranga (PEFI), situado na cidade de São Paulo, Estado de São Paulo, Brasil, resultou no isolamento de 41 táxons, sendo 36 identificados em nível ...
Carmen Lidia Amorim Pires-Zottarelli +1 more
doaj +1 more source