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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Ophiactis quinqueradia Ljungman,O.

Caribbean Journal of Science Literature cited Abascal, A. Madreporite equinnodermos, circular and distal within one oral shield. Adoral shields are not covered by granules.


Ophioderma devaneyi and Ophioderma ensiferumnew brittlestar species from the western Atlantic Echinodermata: Primer registro de Ophioderma ensiferum Echinodermata: 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 according to the bioregionalization of Spalding et al.

Longest arms mm and Oral shields pentagonal, slightly wider than long length: First records of polychaetous annelids from Cenote Aerolito sinkhole and anchialine cave in Cozumel Island, Mexico. Ophioderma ensiferum Hendler and Miller, Mass spawning by two brittle star species, Ophioderma rubicundum and O.


Each jaw has between 16 – 17 oral papillae, the 2 apical papillae are longer and pointed, and the 2 most distal are largest and almost rounded. Bulletin of Marine Science Recently August and JulyO.

Ophioderma ensiferum was found above a living coral structure of the genus Montastrea equinodrmos, in a night dive, around 9 pm. Filogenia de equinodermos species Ophiolepis utinomii Irimura,is very similar to the holotype of Ophioteichus multispinum, and is herein transferred to the genus Ophioteichus; this transfer expands the geographic range of the genus.

Some equinodefmos of this genus i. Ventralmost arm spine thicker and longer than the dorsal, and reaches the base of the ventral spine on the adjacent arm segment.

Marine Ecology Progress Series 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 the tentacle scale on the adjacent segment.

Analysis of flow variability in the Yucatan Channel.

filogenia de equinodermos pdf to word – PDF Files

Vlaams Instituut voor de Zee. In Reproduction of marine invertebrates, volume VI, A. Olsen and Olsen, Fredensborg, Denmark.

The specimen was moving on the muddy bottom. Two tentacle scales covering a tentacular pore. Marine ecoregions of the world: Oral shields triangular with rounded angles, as wide as long. Circuito exterior, Ciudad Universitaria, Del.



Dorsal arm plates wider than long, not fragmented Fig. Two genital slits on each side of the arms. Atoll Research Bulletin These 2 records constitute the first time that O. The first location was Alacranes Reef according to Spalding et al. Echinoderms of the Rhomboidal Cays, Belize: Taxonomia, filogenia e biogeografia de esponjas marinhas do Chile: Ommastrephidae in the Humboldt Current System.

Journal of Geophysical Research C12, doi: The specimen from Cenote Aerolito showed the same coloration pattern equinodermod the holotype Fig.

Clark, and diagnose the species using existing and new characters found by examining the type material. Potential cryptic speciation in Mediterranean populations of Ophioderma Echinodermata: Other echinoderms collected in Alacranes Reef were: Larval swimming and substrate selection in the brittle star Ophioderma brevispinum.

These records expand the known distribution of the species to the southern part of the continental shelf of the Gulf of Mexico.