Results 21 to 30 of about 1,025 (146)
Morphological comparison of the genera Coullia Hamond, 1973 and Phycolaophonte Pallares, 1975 (Copepoda, Harpacticoida, Laophontidae) shows that the latter should be relegated to a junior synonym of the former.
Rony Huys
doaj +1 more source
The first complete 3D reconstruction of a Spanish fly primary larva (Lytta vesicatoria, Meloidae, Coleoptera). [PDF]
The first detailed anatomical study of a primary larva of Meloidae is presented. Thereby techniques such as three-dimensional reconstructions, microtome sections, SEM (scanning electronic microscopy) and CLSM (confocal laser scanning microscopy) are ...
Si-Qin Ge +6 more
doaj +1 more source
'Cand. Actinochlamydia clariae' gen. nov., sp. nov., a unique intracellular bacterium causing epitheliocystis in catfish (Clarias gariepinus) in Uganda. [PDF]
BACKGROUND AND OBJECTIVES: Epitheliocystis, caused by bacteria infecting gill epithelial cells in fish, is common among a large range of fish species in both fresh- and seawater. The aquaculture industry considers epitheliocystis an important problem. It
Andreas Steigen +10 more
doaj +1 more source
Background and aims – Pollen grain morphology is an important morphological character for aiding the systematics of flowering plants. For Malpighiaceae, only a single unpublished palynological study has comprehensively sampled ca 60 of this family’s 75 currently accepted genera.
Carolina Prandi da Silva +3 more
openaire +4 more sources
A Nature’s Curiosity: The Argonaut “Shell” and Its Organic Content
Molluscs are known for their ability to produce a calcified shell resulting from a genetically controlled and matrix-mediated process, performed extracellularly.
Morgane Oudot +6 more
doaj +1 more source
Mammalian enamel maturation: Crystallographic changes prior to tooth eruption. [PDF]
Using the distal molar of a minipig as a model, we studied changes in the microstructural characteristics of apatite crystallites during enamel maturation (16-23 months of postnatal age), and their effects upon the mechanical properties of the enamel ...
Anna Kallistová +4 more
doaj +1 more source
Lithobius yuchernovi sp. n. is described, based on type material from the Ola Plateau, Magadan Region, Russia. The new species is widely distributed in northeastern Siberia, ranging from the Magadan Region, until the eastern Chukot Autonomous Region and ...
Gyulli Sh. Farzalieva +2 more
doaj +3 more sources
The skeleton and the relationships of Libanopycnodus wenzi gen. et sp. nov. and of Sigmapycnodus giganteus gen. et sp. nov., two pycnodontiform fishes from the marine Cenomanian (Late Cretaceous) of Lebanon, are studied in detail.
Louis Taverne, Luigi Capasso
doaj +1 more source
Reassessment of the enigmatic crocodyliform "Goniopholis" paulistanus Roxo, 1936: Historical approach, systematic, and description by new materials. [PDF]
The Crocodyliformes are the most represented vertebrate clade in the Upper Cretaceous sequences of the Bauru Group, Paraná Basin. However, some of the species described have an uncertain taxonomic status and phylogenetic position.
André E Piacentini Pinheiro +7 more
doaj +1 more source
Polydesmida is the largest order in the class Diplopoda in terms of the number of species, genera and families, but there are few studies of the ovarian morphology of species in this order.
TG Pinheiro, MI Marques, CS Fontanetti
doaj +1 more source

