A5067702501- Crustacean biology and ecology
- Biomedical Text Mining and Ontologies
- Physiological and biochemical adaptations
- Botanical Studies and Applications
- Plant and animal studies
- Fossil Insects in Amber
- Philosophy and History of Science
- Nutrition, Genetics, and Disease
- Species Distribution and Climate Change
- Genomics and Phylogenetic Studies
- Tardigrade Biology and Ecology
- Subterranean biodiversity and taxonomy
- Ion Transport and Channel Regulation
- Race, Genetics, and Society
- Barrier Structure and Function Studies
- Neurobiology and Insect Physiology Research
- Coleoptera Taxonomy and Distribution
- Neuroscience and Neuropharmacology Research
- Protist diversity and phylogeny
- Genetics and Physical Performance
- Invertebrate Taxonomy and Ecology
- Evolution and Paleontology Studies
- Scarabaeidae Beetle Taxonomy and Biogeography
- Fish biology, ecology, and behavior
- Animal Behavior and Reproduction
University of North Texas
2021-2024
University of Göttingen
2023-2024
University of Rostock
2015-2024
Species of the megadiverse ground beetle tribe Platynini occur on all continents except Antarctica. It has been long recognized that platynine beetles were preserved in Eocene Baltic amber. However, thus far only a single fossil described to species level. In present paper, new known as an amber inclusion is and imaged using light microscopy micro X-ray computed tomography. Since this cannot be assigned any recently genera, monotypic genus Praeanchodemus gen. n., with type P. punctaticeps...
Arthropods are the most species-rich taxon within Metazoa and have gone through major evolutionary changes with regard to body organization. Arthropod hearts their associated vascular systems thus morphologically highly disparate: while some arthropods exhibit very powerful complex systems, other do not possess any kind of system or heart at all. A comprehensive study investigating structure has never been undertaken. In this study, we therefore investigate 34 species from all arthropod...
Morphology, the oldest discipline in biosciences, is currently experiencing a renaissance field of comparative phenomics. However, morphological/phenotypic research still suffers on various levels from lack standards. This shortcoming, first highlighted as "linguistic problem morphology", concerns usage terminology and also need for formalization morphological descriptions themselves, something paramount importance not only to morphology but when it comes use phenotypic data systematics...
The field of morphology has recently seen the arrival computer-aided ontologies, tools which permit semantic organization defined concepts and therefore promise to be extremely useful in computer-mediated approaches involving morphological data, for example cladistics. theoretical relationship between ontologies cladistics, however, hardly been explored. Here we examine ontological status main terms i.e. morpheme, character, character state concept. Morphemes are units descriptional...
Abstract The morphology of hemolymph circulatory systems has been studied in many arthropod groups over the past decades. In most cases, however, focus these studies vascular system, while its counterpart, lacunar often neglected. To further understanding interrelationships between two complementary subsystems, we investigated both, system and decapod Penaeus vannamei using 3D‐imaging techniques (micro‐computed tomography confocal laser scanning microscopy) combination with 3D...
Abstract In the field of phylogenetic systematics, terms homology and homologue their relationship to cladistic such as character, character state, synapomorphy symplesiomorphy, well relationships each other, have been are still discussed frequently. A recent re‐emergence concepts homology/homologue free any reference explanatory hypotheses prompted us explore these other concept morpheme, introduced recently. All examined with regard ontological status bearing in epistemological process...
Abstract In this study, the hemolymph vascular system (HVS) in two cambarid crayfishes, i.e. Marbled Crayfish, Procambarus virginalis Lyko, 2017 and Spiny Cheek Faxonius limosus (Rafinesque, 1817), is investigated regard of areas non-genetic phenotypic variation. Despite their genetic identity, specimens P. show variability certain features HVS. Thus, we describe varying branching patterns, sporadic anastomoses, different symmetry states marbled crayfish. We visualize our findings by...
Morphology, the scientific discipline dealing with description and comparison of organismal form, is one oldest disciplines in biology traditionally strongly linked to concept homology. With morphological data being used knowledge applied other (younger) biological disciplines, morphology has often been degraded an only auxiliary or a mere set methods serving those disciplines. While this notion wrong all along, last decades have seen renaissance mostly due significant leaps imaging...
Data variability frequently complicates reproducibility and interpretation of experimental results. Such arises from numerous sources such as differences in procedures or not accounting for key biological factors (e.g. sex, rhythms, prandial state). Making the situation more problematic, variation physiological performance is often viewed highly labile, easily rapidly influenced by environmental stressors, development, etc., making it diffcult to pin down a source variation. Undeniably,...
Abstract An antagonistic hemolymph-muscular system is essential for soft-bodied invertebrates. Many ecdysozoans (molting animals) possess neither a heart nor vascular or circulatory system, whereas most arthropods exhibit well-developed system. How did this evolve and how was it subsequently modified in panarthropod lineages? As the closest relatives of tardigrades, onychophorans (velvet worms) represent key group addressing question. We therefore analyzed entire peripatopsid Euperipatoides...
Die grose Mehrheit der Biologen lehnt die Untergliederung des Menschen in verschiedene „Rassen“ ab. Vereinzelt wird jedoch auf Vergleichbarkeit mit anderen Wirbeltieren, z. B. Vogeln, verwiesen, bei denen „geografische Rassen“ beschrieben wurden. Der Begriff (geografischen) Rasse aber wissenschaftlichen Zoologie seit Jahrzehnten nicht mehr benutzt, er ist vollstandig durch den Unterart (Subspezies) ersetzt worden; eine ausschliesliche Verwendung verbietet sich schon aus diesem Grund. So...