A recent analysis of amino acid sequence data (Graur et al.) suggested that the mammalian order Rodentia is polyphyletic, in contrast to most morphological data, which support rodent monophyly. At issue is whether the hystricognath rodents, such as the guinea pig, represent an independent evolutionary lineage within mammals, separate from the sciurognath rodents. To resolve this problem, we seq...

Although diverse natural products have been isolated from the benthic, filamentous cyanobacterium Lyngbya majuscula, it is unclear whether this chemical variation can be used to establish taxonomic relationships among disparate collections. We compared morphological characteristics, secondary-metabolite compositions, and partial 16S ribosomal DNA (rDNA) sequences among several collections of L....

The ant subfamily Pseudomyrmecinae comprises three genera of hyperoptic, arboreal ants, widely distributed in tropical and subtropical regions: Pseudomyrmex ( 200 species, NewWorld),Myrcidris (two species, South America) and Tetraponera ( 100 species, Palaeotropics). The phylogenetic relationships among these ants were investigated using DNA sequence data ( 5.2 kb from 18S rDNA, 28S rDNA, wingl...

Since the first attempts to classify the evolutionary history of trypanosomes, there have been conflicting reports regarding their true phylogenetic relationships and, in particular, their relationships with other vertebrate trypanosomatids, e.g. Leishmania sp., as well as with the many insect parasitising trypanosomatids. Perhaps the issue that has provided most debate is that concerning the m...

Monophyly of a group of four species of Anastrepha is proposed based on characters of the head and the male terminalia. The group includes A. schausi Aldrich; A. Jernandezi Caraballo; A. hermosa Norrbom, n. sp.; and A. bellicauda Norrbom, n. sp. Sexual dimorphism in these species is noted. A discussion of morphological terminology in the Tephritoidea, especially concerning female terminalia, is...

Copyright © 2014 The Korean Society of Phycology 279 http://e-algae.kr pISSN: 1226-2617 eISSN: 2093-0860 What’s in a name? Monophyly of genera in the red algae: Rhodophyllis parasitica sp. nov. (Gigartinales, Rhodophyta); a new red algal parasite from New Zealand Maren Preuss* and Giuseppe C. Zuccarello School of Biological Sciences, Victoria University of Wellington, P. O. Box 600, Wellington ...