sea cucumber

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Related to Holothuroidea: Sea cucumbers

sea cucumber

A cylindrical marine invertebrate of the family Holothuria; some species have tentacles that contain a mild venom. Contact with the organism may produce dermatitis.
References in periodicals archive ?
Report on selected species of Banzare and Anare Holothuroidea, with reviews of Meseres Ludwig and Heterocucumis Panning (Echinodermata).
Taxonomia de Holothuroidea (Echinodermata) del mar del Peru.
Entre los moluscos se han reconocido 1526 especies de la Clase Gastropoda, 553 de la Clase Bivalvia y 20 de la Clase Cephalopoda (Keen 1971, Brusca 1980, Hendrickx y Brusca 2005), de equinodermos se conocen 63 especies de la Clase Asteroidea, 47 de Echinoidea y 57 de Holothuroidea (Holguin-Quinones et al.
Por el numero de especies domina Asteroidea con 12, le siguen Echinoidea con 10 y Holothuroidea con 4.
Asteroidea was the dominant class with 12 species, followed by Echinoidea with ten and Holothuroidea was represented by four species.
La mayor representacion la tiene la Clase Asteroidea (12 especies), seguida por la Echinoidea (10) y Holothuroidea (4) (Cuadro 1).
The Holothuroidea contains the highest number of viviparous species (O'Loughlin, 1994).
Table 1 Incidence of intragonadal development in the Echinodermata Class Reference Crinoidea Comatilia iridometriformis Messing (1984) Holothuroidea Leptosynapta clarki Sewell and Chia (1994) Oneirophanta mutabilis Hansen (1968) Taeniogyrus contortus Vaney (1925) Trachythyone mira Ludwig and Heding (1935) O'Loughlin (2002) Ophiuroidea Amphiura microplax Mortensen (1936) Amphiura monorima Mortensen (1936) Astrochlamys sol Madsen (1967) Ophionotus hexactis Mortensen (1921) Asteroidea Cryptasterina pacifica Komatsu et al.
The spermatozoa of the Holothuroidea (Echinodermata): an ultrastructural review with data on two Australian species and phylogenetic discussion.