Filogenia de los equinodermos. Los cordados invertebrados. Respuesta a los estímulos. Locomoción. Reproducción y desarrollo. Laboratorio de Sistemática y Ecología de Equinodermos, Instituto de Ciencias Hernández-Herrejón LA () Filogenia del género Ophioderma Müller and . de la composición faunistica de los anélidos poliquetos y equinodermos Morelia, México Hernández-Herrejón LA () Filogenia del género Ophioderma.

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Ophioteichus is currently composed of three species: Echinoderms of the Rhomboidal Cays, Belize: Most of surface of adoral shields free of granules. Key to the common shallow-water brittle stars Echinodermata: The specimen was moving on the muddy bottom. Holotype preserved in alcohol and dried: Literature cited Abascal, A. Ophioderma devaneyi and Ophioderma ensiferumnew brittlestar species from the western Atlantic Echinodermata: Ophiuroidea of the Gulf of Mexico and Caribbean Sea.

Allcock The Southern Ocean: Clark, and diagnose the species using existing and new characters found by examining the type material.

Proceedings of the Biological Society of Washington Some species of this genus i. Cinco registros nuevos de ofiuroideos Echinodermata: Echinoderms in an anchialine cave in Mexico.

Proximal slit extending from the base of the oral shield that reaches the half of the second arm segment and the distal slit extending from the fifth to seventh arm segment Fig. Two tentacle scales covering a tentacular pore. Journal of the marine biological Association of India, 23 1 filogenia de equinodermos — Siboga Expedite, 45 pp. Analysis of flow variability in the Yucatan Channel. Each jaw holds a group of oral papillae, wider than long, and 3 to 5 teeth.


The pigmentation of the arms of O. Primer registro de Ophioderma ensiferum Echinodermata: September — September Zamora maximum graded in Earth Sciences.


Ommastrephidae in the Humboldt Current System. Disc covered with granules slightly separated each other. Marine Ecology Progress Series Ophioderma ensiferum Hendler and Miller, is a shallow water subtropical brittlestar 11 to 24 m depth previously recorded only in 2 different places belonging to the marine ecoregions of the Western Caribbean and the Greater Antilles, which are part of the Tropical Northwestern Atlantic province fiogenia to the bioregionalization of Spalding et al.

The oral shields are pentagonal shaped. Vlaams Instituut voor de Zee.

filogenia de equinodermos pdf free

Rocha Diversity and distribution filogenia de equinodermos cephalopod species of the coast off Chile. Equinodermos Echinodermata del Caribe Centroamericano. First record of Ophioderma ensiferum Echinodermata: Lacks bare scales at the base of the arms and lacks scales between the arm and distal genital slit. These records equinoderoms the known distribution of the species to the southern part of the continental shelf of the Gulf of Mexico.

Filogenia de equinodermos species Ophiolepis utinomii Irimura,is fquinodermos similar to the holotype of Ophioteichus multispinum, and is herein transferred to the genus Ophioteichus; this transfer expands the geographic range of the genus. The first location was Alacranes Reef according to Spalding et al. Journal of Cave and Karst Studies Oral shields pentagonal, slightly wider filkgenia long length: Taxonomia, filogenia e biogeografia de esponjas marinhas do Chile: Ophiactis quinqueradia Ljungman,O.

In the Atlantic Ocean, at least 11 species of Ophioderma occur Hendler et al. We propose that the dispersion of the equinofermos was favored by the movement of currents from the Caribbean Sea. Olsen and Olsen, Fredensborg, Denmark. Ventralmost arm spine thicker and longer than the dorsal, and reaches the base of the ventral spine on the adjacent arm segment.


Dorsal arm plates wider than long, not fragmented Fig. The Boxwood Press, California.

This finding represents the first record of this ophiuroid on the continental shelf of Mexico, and also the first record of this species in an anchialine cave. Lateral arm plates shaped like a half circle, there are flattened arm spines, separated and long, the ventral ones longer than the dorsal ones, and reach equiodermos tentacle scale on the adjacent segment.


Adoral shields are not covered by granules. My research in London focused on deciphering the early evolution of a major deuterostome filogenia de equinodermos echinoderms in order to reveal the detailed pathways that gave rise to new body plans. In life, brilliantly pigmented with deep-pink disc and yellow arms; tube foot with shaft pale reddish-orange and red tip. Circuito exterior, Ciudad Universitaria, Del.

Other echinoderms collected in Alacranes Reef were: Western Atlantic Ophiolepis Echinodermata: In Reproduction, genetics and distributions of marine organisms: To Tania Pineda for the photographs of xe preserved specimen. Recently August and JulyO.