We present a combined molecular and morphological phylogenetic analysis of the
Loricariinae, with emphasis on the Harttiini (Cteniloricaria, Harttia, and Harttiella) and …

Arthropods are the most species-rich taxon within Metazoa and have gone through major
evolutionary changes with regard to body organization. Arthropod hearts and their …

Known as shovel head worms, members of Magelonidae comprise a group of polychaetes
readily recognised by the uniquely shaped, dorso-ventrally flattened prostomium and paired …

The emphasis on testing phylogenetic hypotheses has been prominent since the English
language introductions of Willi Hennig's Phylogenetic Systematics (1966) and Karl Popper's …

Morphology, the scientific discipline dealing with description and comparison of organismal
form, is one of the oldest disciplines in biology and traditionally strongly linked to the concept …

Melastomataceae Juss is a family well represented in tropical biomes and is characterized
by a distinctive venation pattern in its leaves. The worldwide fossil record consists mainly of …

Framing systematics as a field consistent with scientific inquiry entails that inferences of
phylogenetic hypotheses have the goal of producing accounts of past causal events that …

A phylogenetic analysis was performed to determine the monophyly of non-monotypic
genera of the terebelliform family Polycirridae, ie Polycirrus, Amaeana, Lysilla, and …

The question,'What are species?', has had a long history in biological systematics with no
success at achieving a scientifically viable consensus. This failure is due in large part to the …

This opinion paper examines the recent proposal for a new nomenclatural code for
prokaryotes (SeqCode). It addresses four problematic issues:(1) epistemological—failure of …