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ECHINODERMS COLLECTED BY CIOH-INVEMAR-SMITHSONIAN EXPEDITION FROM CARTAGENA TO GOLFO DE URABÁ, COLOMBIAN CARIBBEAN
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Se listan, diagnostican e ilustran 22 especies de equinodermos colectadas en 21 arrastres con red demersal realizados desde Cartagena hasta el Golfo de Urabá, entre 30 y 380 m de profundidad, por la expedición CIOH-INVEMAR-SMITHSONIAN en 1995. Las especies corresponden a dos crinoideos, siete asteroideos, cinco ofiuroideos, cuatro equinoideos y cuatro holoturoideos. De estas Astropecten nitidus Verrill, Plutonaster agassizi agassizi (Verrill), Tethyaster grandis (Verrill) y Leptopentacta deichmannae Domantay son primeros registros para el Mar Caribe, y Astropecten alligator Perrier, Anthenoides piercei Perrier, Amphiodia atra (Stimpson), Amphilimna olivacea (Lyman), Ophiomusium acuferum Lyman, Araeosoma fenestratum (Wyville - Thomson) y Molpadia parva Théel son primeros registros para el Caribe colombiano. Análisis de agrupamiento realizados entre estaciones con base en datos de presencia - ausencia evidencian una tendencia de agrupación de estaciones de acuerdo a la profundidad, si bien los datos son insuficientes para determinar esquemas de zonación en el área.
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As seguintes espécies de equinodermes sao assinaladas pela primeira vez para o Brasil: Holothuria (Cystipus) af. pseudofossor, Stylocidaris lineata, Clypeaster (Clypeaster) rosaceus, Chaetaster longipes, Luidia barbadensis, Amphiura princeps Ophiophragmus pulcher e Amphipholizona delicata. Cladodactyla crocea e Pseudocnus perrieri foram coletadas apenas ao sul do Rio da Prata. Pseudocnus dubiosus e Chiridota marenzelleri ocorreram na região do Uruguai.The geographical distribution of Holothuria (Cystipus) pseudofossor, Stylocidaris lineata, Clypeaster (Clypeaster) rosaceus Chaetaster longipes Luidia barbadensis, Amphiura princeps, Ophiophragmus pulcher and Amphipholizona delicata is extended to the Brazilian region. Cladodactyla croces and Pseudocnus perrieri were collected in the region near Mar del Plata (Argentina) and Pseudoonus dubiosus and Chiridota marenzelleri , in front of Uruguay.
Ophionema intricata Lütken and Amphiodia atra (Stimpson) are reported for the first time from Florida waters. Descriptions and illustrations are given, and Amphiodia gyraspis H. L. Clark and A. limbata (Grube) are synonymized with A. atra. A discussion of the genus Amphiodia is included.