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Titolo:
Internal anatomy and phylogenetic relationships among apterygote insect clades (Hexapoda)
Autore:
Bitsch, C; Bitsch, J;
Indirizzi:
Univ Toulouse 3, Entomol Lab, F-31062 Toulouse 4, France Univ Toulouse 3 Toulouse France 4 ntomol Lab, F-31062 Toulouse 4, France
Titolo Testata:
ANNALES DE LA SOCIETE ENTOMOLOGIQUE DE FRANCE
fascicolo: 4, volume: 34, anno: 1998,
pagine: 339 - 363
SICI:
0037-9271(199812)34:4<339:IAAPRA>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
NEOCONDEELLUM-DOLICHOTARSUM INSECTA; PROTURA INSECTA; PYLORIC REGION; CIRCULATORY ORGANS; FINE-STRUCTURE; ULTRASTRUCTURE; SPERMATOZOA; MORPHOLOGY; OOGENESIS; EVOLUTION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
164
Recensione:
Indirizzi per estratti:
Indirizzo: Bitsch, C UniveToulouse 3, Entomol Lab, 118 Route Narbonne, F-31062 Toulouse 4, Franc Univ Toulouse 3 118 Route Narbonne Toulouse France 4 e 4, Franc
Citazione:
C. Bitsch e J. Bitsch, "Internal anatomy and phylogenetic relationships among apterygote insect clades (Hexapoda)", ANN SOC ENT, 34(4), 1998, pp. 339-363

Abstract

The present study aims to discuss the phylogenetic relationships between higher taxa of the apterygote hexapods. Tt considers characters based on visceral anatomy and, to a lesser extent, reproductive behaviour and ontogeny. Cladistic analyses were performed using the computer program PAUP version 3.1.1. Taking into account 32 unordered and equally weighted characters, the possible assemblages of 8 apterygote taxa were studied in the presence oftwo additional pterygote taxa and of two representatives of myriapods (Lithobiomorpha and Symphyla), used as outgroups. The results of the analyses argue in favour of the monophyly of Protura and Collembola. Protura appear as distinctly separated from all other Hexapoda. Conversely, the groups Ellipura (Protura + Collembola), Diplura and Entognatha (Ellipura + Diplura) are not supported. The two dipluran taxa included (Campodeoidea and Japygoidea) are found as separate units whose positions relative either to Collembola or to Ectognatha, remain unresolved. The question of the monophyly of Archaeognatha and that of Zygentoma was not adressed here, because only one family of either order was considered. Likewise, the questionable monophyly of Zygentoma could not be studied, since only the family Lepismatidae was retained. The groupings Ectognatha and Dicondylia (Zygentoma + Pterygota) appear to be well supported. Our results confirm the paraphyly of the Apterygota and the close relationship between the Zygentoma and the Pterygota.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/05/19 alle ore 13:54:06