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Hexactinellida

Definition of the noun Hexactinellida

What does Hexactinellida mean as a name of something?

Hexactinellida is a class of Porifera.

Hexactinellida is a class of Porifera.

Writings

"Hexactinellida" is a book by Maurice Burton.

Printed dictionaries and other books with definitions for Hexactinellida

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Google previewProgramme and Abstracts (2008)

Göttingen 7-11 April 2008 by Stephan Robbert Gradstein, Simone Klatt, Felix Normann, Rainer Willmann, Patrick Weigelt, Rosemary Wilson

Hexactinellida is a poriferan taxon, for which only fragmental molecular data so far exist, but which possesses a good fossil record. In terms of morphology, Hexactinellida is a conservative group, whose Late Mesozoic fossils are commonly ...

Google previewExtreme Biomimetics (2016)

by Hermann Ehrlich

A large pedonculate Hexactinellida is a representative of the family Euplectellidae, subfamily Bolosominae yet described, of the letter genus is known from the Indian Ocean, off Madagascar). Sarostegia oculata is widely distributed in the N ...

Google previewA Dictionary of Zoology (2014)

by Michael Allaby

Hexactinellida (Hyalospongea; phylum Porifera) A class of sponges whose skeleton is composed of mainly sixrayed, siliceous *spicules. Organic fibres do not occur. The body has a *leucon structure. They are marine, deepwater sponges and ...

Google previewThe Encyclopaedia Britannica (1911)

A Dictionary of Arts, Sciences, Literature and General Information by Hugh Chisholm

We can, however, hardly regard the Rhagon as representing a fundamental type of canal- system common to all the Non-calcarea, for in some of the Myxospongida, which are the most primitive of all, and again in the Hexactinellida, we find a ...

Google previewThe Century Dictionary: The Century dictionary (1911)

The hexactine is the fundamental form in the silicious skeletons of the Hexactinellida and is susceptible of modification into a vast variety of shapes, anchors, umbels, pine-trees, fish-hooks, rosettes, etc. The fusion of the arms of adjacent ...

Google previewEncyclopedia of Immunobiology (2016)

Homocleromorpha Hexactinellida PORIFERA ...

Google previewThe Rosen Comprehensive Dictionary of Biology (2007)

by John Owen Edward Clark, William Hemsley

Myosporidea Sarcomastigophora Actinopodea Phytomastigophora Rhizopodea Zoomastigophora Sporozoa Piroplasmea Sporozea Porifera Calcaria Demospongiae Hexactinellida Sclerospongiae Cnidaria Anthozoa Hydrozoa Scyphozoa ...

Google previewEncyclopedia of Inland Waters (2009)

Thereare three recognized classes ofextant sponge: Demospongiae, Hexactinellida, andCalcarea (Table1).Some have suggested, with compelling evidence, thata fourth group (the Homoscleromorpha) be distinguished asa separate class.

Google previewEncyclopedia of Marine Sciences (2012)

by Hanneke J.G. Baretta-Bekker, Egbert K. Duursma, Bouwe R. Kuipers

Hexactinellida (glass sponges) class of the Porifera. The marine animals have a skeleton of basically six-rayed siliceous spicules. Sometimes these spicules are fused to long needles. Glass sponges mainly live in the deep sea, especially in ...

Google previewThe Century dictionary and cyclopedia (1914)

with a new atlas of the world : a work of general reference in all departments of knowledge

The hexactine is the fundamental form in the silicious skeletons of the Hexactinellida and is susceptible of modification into a vast variety of shapes, anchors, umbels, pine-trees, fish-hooks, rosettes, etc. The fusion of the arms of adjacent ...

Google previewThe New Werner Twentieth Century Edition of the Encyclopaedia Britannica (1907)

A Standard Work of Reference in Art, Literature, Science, History, Geography, Commerce, Biography, Discovery and Invention

Hexactinellida, O. Sc-hmidt. Order 1. — hmsac&na ...

Google previewEncyclopedia of Evolutionary Biology (2016)

Hexactinellida are mainly deep-sea sponges and are the only ones that present syncytial tissues. Until recently, Homoscleromorpha was considered a subclass of Demospongiae, but it was recently elevated to a class status. In order to grow ...

Google previewEncyclopedia of Biology (2009)

by Don Rittner, Timothy Lee McCabe

Hexactinellida (glass sponges), and Demospongiae (the largest and most diverse, 90 percent of known species), and Sclerospongiae (mostly fossil records ). There are about 5,000 species of sponges. parenchyma One of the three types of ...

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Scrabble value of H4E1X8A1C3T1I1N1E1L1L1I1D2A1

The value of this 14-letter word is 27 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

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