Results 11 to 20 of about 1,404 (177)

Cytogenetics and Cladistics [PDF]

open access: yesSystematic Biology, 2004
Chromosomal data have been underutilized in phylogenetic investigations despite the obvious potential that cytogenetic studies have to reveal both structural and functional homologies among taxa. In large part this is associated with difficulties in scoring conventional and molecular cytogenetic information for phylogenetic analysis.
Gauthier, Dobigny   +3 more
openaire   +2 more sources

Les premiers représentants du genre Homo, en quête d’une identité. Apports de l’étude morphologique et de l’analyse cladistique

open access: yesBulletins et Mémoires de la Société d’Anthropologie de Paris, 2004
No consensus has been achieved concerning the taxonomic significance of the species Homo habilis. Four main hypotheses have been advanced: (1) the specimens from Olduvai, East Turkana and Omo belong to the same palaeospecies:  Homo habilis sensu lato; (2)
Sandrine Prat
doaj   +1 more source

“3D Cladistics”: a new perspective for phylogenetic analyses and a tool for citizen science

open access: yesAcademia Biology, 2023
This study uses the cladistics method, three-dimensional (3D) illustration, and its importance for scientific communication in referring to phylogeny study.
Márcia Venâncio   +2 more
doaj   +1 more source

Systematic revision and phylogenetic assessment of the foraminiferal family Globivalvulinidae [PDF]

open access: yesActa Palaeontologica Polonica, 2018
We present a systematic and phylogenetic revision of the Carboniferous–Permian subfamilies usually included within the family Globivalvulinidae (superfamily Biseriamminoidea), based for the first time on the interrelation between a morphological ...
Valerio Gennari   +2 more
doaj   +1 more source

Review and phylogeny of Lutzsimulium (Diptera: Simuliidae)

open access: yesZoologia (Curitiba), 2010
Lutzsimulium d'Andretta Jr & Vulcano, 1947 is an enigmatic South American genus with four species: L. flavopubescens Lutz, 1910, L. hirticosta Lutz, 1909, L. pernigrum Lutz, 1910 and L. simplicicolor Lutz, 1910.
Leonardo H. Gil-Azevedo
doaj   +1 more source

Description of Euchone anceps sp. nov. (Annelida: Sabellidae) from the Mediterranean Sea and Northeast Atlantic, with remarks on the difficulty of generic definition

open access: yesThe European Zoological Journal, 2017
The problem of the generic placement of some peculiar Mediterranean and Atlantic sabellids, showing a mixture of features found in the genera Euchone and Paradialychone, is addressed. Due to the high similarity to E.
A. Giangrande   +3 more
doaj   +1 more source

Two new Neotropical Chironominae genera (Diptera: Chironomidae)

open access: yesCHIRONOMUS Journal of Chironomidae Research, 2017
Claudiotendipes n. gen. and Sigmoitendipes n. gen. are described and figured based on adults, pupae and larvae. Two species are included in Claudiotendipes: the type species, C. froehlichi n. sp.
Trond Andersen   +2 more
doaj   +1 more source

Cladistics analysis of Calycanthaceae on the basis of morphological and anatomical characters

open access: yesEuropean Journal of Biological Research, 2020
Cladistics analysis was carried out to find the correct phylogenetic relationship of the four genera of Calycanthaceae. Morphological and anatomical information from all aspect of the data were considered for the analysis.
Niroj Paudel, Kweon Heo
doaj  

A biosystematic study of Pentameris (Arundineae, Poaceae)

open access: yesBothalia: African Biodiversity & Conservation, 1993
A biosystematic study of the endemic southwestern Cape grass genus Pentameris Beauv. is presented. Results of studies on the macro- and micromorphology, leaf blade anatomy and cytology are discussed and illustrated.
N. P. Barker
doaj   +1 more source

CLADISTICS: WHAT'S IN A WORD? [PDF]

open access: yesCladistics, 1993
Abstract—Cladistics has changed considerably with the availability of new methods and sources of data, and the increasing realization that cladograms are relevant to all manner of historical questions. Criticisms of, and justifications for, consensus hypotheses in phylogenetic inference are reviewed.
Kluge, Arnold G., Wolf, Alan J.
openaire   +5 more sources

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