Modern lampreys (Petromyzontiformes) are one of two lineages of surviving jawless fishes
(agnathans), and are thus of critical importance to understanding the evolution of the …

Analysis of zoogeographic, paleogeographic, and molecular data has shown that the
ancestors of many fresh-and brackish-water cold-tolerant hydrobionts of the Mediterranean …

The lampreys (Petromyzontiformes), one of the two surviving groups of agnathan (jawless)
vertebrates, currently consist of 41 recognized species. This group has an antitropical …

Lampreys, one of two living lineages of jawless vertebrates, are always intriguing for their
feeding behavior via the toothed suctorial disc and life cycle comprising the ammocoete …

As one of only two surviving groups of ancient jawless vertebrates, lampreys are of enduring
evolutionary interest. Study of lamprey biology, for example, continues to provide invaluable …

The development of a movable jaw is one of the most important transitions in the
evolutionary history of animals. 1 Jawed vertebrates rapidly diversified after appearing …

Background The Argentinian pouched lamprey, classified as Petromyzon macrostomus
Burmeister, 1868 was first described in 1867 in De La Plata River, in Buenos Aires …

Despite their highly conserved body plan and larval stage, adult life history type in lampreys
diverges on two main axes related to migration and feeding. Of the 41–45 recognized …

The tendency of many species to abandon migration remains a poorly understood aspect of
evolutionary biology that may play an important role in promoting species radiation by both …

Phylogenetic relationships and phylogeography of six species of Caucasian barbels, the
genus Barbus s. str., were studied based on extended geographic coverage and using …