Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)

The cephalic and pectoral girdle structures of Pangasius macronema are described and compared with those of another representative of the same genus, Pangasius larnaudii, and of representatives of the other pangasiid genus, Helicophagus leptorhynchus and Helicophagus typus, as well as of several oth...

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Autor principal:	Diogo,Rui
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2007
Materias:	Catfish Helicophagus Pangasius Pangasiidae synapomorphies Morphology Phylogeny Siluriformes
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300001
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spelling	oai:scielo:S0717-950220070003000012007-10-30Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)Diogo,Rui Catfish Helicophagus Pangasius Pangasiidae synapomorphies Morphology Phylogeny Siluriformes The cephalic and pectoral girdle structures of Pangasius macronema are described and compared with those of another representative of the same genus, Pangasius larnaudii, and of representatives of the other pangasiid genus, Helicophagus leptorhynchus and Helicophagus typus, as well as of several other catfishes, as the foundation for a discussion of the synapomorphies and phylogenetic relationships of the Pangasiidae. The following two features could constitute Pangasiidae autapomorphies: 1) presence of prominent crest on the dorso-lateral surfaces of both the hyomandibulo-metapterygoid and the ento-ectopterygoid; 2) presence of a large, circular foramen between the anterodorsomedial surface of the extrascapular, the dorsomesial surface of the pterotic and the dorsolateral surface of the parieto-supraoccipital. With respect to the phylogenetic relationships of the Pangasiidae, this family is seemingly closely related to the Schilbidaeinfo:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.25 n.3 20072007-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300001en10.4067/S0717-95022007000300001
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Catfish Helicophagus Pangasius Pangasiidae synapomorphies Morphology Phylogeny Siluriformes
spellingShingle	Catfish Helicophagus Pangasius Pangasiidae synapomorphies Morphology Phylogeny Siluriformes Diogo,Rui Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)
description	The cephalic and pectoral girdle structures of Pangasius macronema are described and compared with those of another representative of the same genus, Pangasius larnaudii, and of representatives of the other pangasiid genus, Helicophagus leptorhynchus and Helicophagus typus, as well as of several other catfishes, as the foundation for a discussion of the synapomorphies and phylogenetic relationships of the Pangasiidae. The following two features could constitute Pangasiidae autapomorphies: 1) presence of prominent crest on the dorso-lateral surfaces of both the hyomandibulo-metapterygoid and the ento-ectopterygoid; 2) presence of a large, circular foramen between the anterodorsomedial surface of the extrascapular, the dorsomesial surface of the pterotic and the dorsolateral surface of the parieto-supraoccipital. With respect to the phylogenetic relationships of the Pangasiidae, this family is seemingly closely related to the Schilbidae
author	Diogo,Rui
author_facet	Diogo,Rui
author_sort	Diogo,Rui
title	Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)
title_short	Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)
title_full	Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)
title_fullStr	Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)
title_full_unstemmed	Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)
title_sort	osteology and myology of the cephalic region and pectoral girdle of pangasius macronema, with a discussion on the synapomorphies and phylogenetic relationships of the pangasiidae (teleostei: siluriformes)
publisher	Sociedad Chilena de Anatomía
publishDate	2007
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300001
work_keys_str_mv	AT diogorui osteologyandmyologyofthecephalicregionandpectoralgirdleofpangasiusmacronemawithadiscussiononthesynapomorphiesandphylogeneticrelationshipsofthepangasiidaeteleosteisiluriformes
_version_	1718444604647276544

Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)

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