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Science carried out in South America has experienced a major rise in the levels of productivity and impact during the last decade. The continuity of this process depends upon strong policy decisions of personnel training...

The primary goal of the workshop “Meet the Chibanians” held at Novi Sad in 2023—and of the resulting papers—is to establish a broad consensus among the researchers on exactly how to describe the place of hominin ...

This paper serves as a reply to the Commentary by Brown and Gibbons (S Afr J Sci. 2022;118(9/10), Art. #12590) on our recently published paper on systematics of the moon jellyfish genus Aurelia (Lawley et al. PeerJ 2021;...

The family Xylariaceae represents a diverse assemblage of ascomycetous fungi, widely recognised for their prolific production of secondary metabolites with potent bioactive properties, including antimicrobial, anticancer...

ABSTRACT Hysterothylacium species are perhaps the most abundant and diverse group of marine ascaridoids. Identification of larval stages at specific levels is very problematic. This study describes the occurrence of Hyst...

As the twentieth century neared its midpoint, paleoanthropology was in dire need of revitalization and some coherent concept of evolution.  Sadly, as introduced to paleoanthropology by Ernst Mayr in 1950, the Modern Evo...

The oocysts of the coccidia are robust structures, frequently isolated from the feces or urine of their hosts, which provide resistance to mechanical damage and allow the parasites to survive and remain infective for pro...

When an earthworm reaches reproductive age, its clitellum, also referred to as the genital collar, observably enlarges and becomes more glandular. Genital features in Megascolecidae, including male and female pores, papi...

Dr. Carla Riva-Rossi has over 25 years’ experience studying the evolutionary ecology of anadromous fishes. She received an MS in biological sciences from the Facultad de Ciencias Naturales, Universidad Nacional de la P...