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Deciphering deuterostome phylogeny: molecular, morphological, and palaeontological perspectives

Andrew B. Smith and Billie J. Swalla

in Animal Evolution: Genomes, Fossils, and Trees

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199549429
eISBN:
9780191721601
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199549429.003.0009
Subject:
Biology, Evolutionary Biology / Genetics, Developmental Biology

Deuterostomes are a monophyletic group of animals that include the vertebrates, invertebrate chordates, ambulacrarians, and xenoturbellids. Fossil representatives from most major deuterostome groups ... More


Improvement of molecular phylogenetic inference and the phylogeny of Bilateria

Nicolas Lartillot and Hervé Philippe

in Animal Evolution: Genomes, Fossils, and Trees

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199549429
eISBN:
9780191721601
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199549429.003.0012
Subject:
Biology, Evolutionary Biology / Genetics, Developmental Biology

Inferring the relationships among Bilateria has been an active and controversial research area since Haeckel. The lack of a sufficient number of phylogenetically reliable characters was the main ... More


TRIPLOBLASTICA

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0014
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The Triploblastica is a clade consisting of species with three germ layers: the primary ectoderm and endoderm, and the secondary mesoderm. Mesoderm is often organised as epithelial cells that exhibit ... More


Phylum Xenoturbellida

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0020
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The phylum Xenoturbellida, along with Acoela and Nemertodermatida, is possibly a monophyletic sister group of the Bilateria, or may represent one or two side branches on the line leading to the ... More


DEUTEROSTOMIA

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0056
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The Deuterostomia is a well-delimited group of bilateral animals known for their blastopore that develops into the anus in the adult and a mouth which is a new opening from the bottom of the ... More


Phylum Enteropneusta

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0060
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The Enteropneusta is a well-defined phylum consisting of approximately ninety species of burrowing or creeping, marine, worm-like invertebrates. On the basis of morphological characters, ... More


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