Vol. 496, No. 1, 2021
Pleistocene Mammals from the Lang Trang Cave (Vietnam): New Data
p. 1 abstract
Giant Hyena Pachycrocuta brevirostris (Hyaenidae, Carnivora) from the Lower Pleistocene of Taurida Cave, Crimea
p. 5 abstract
On the Planar Geometric Patterns of the Exoskeletal Relief Formation in Early Vertebrates (Osteostraci, Agnatha)
p. 9 abstract
Revision of Flor’s Gene-for-Gene Theory for the Phenomena of Interaction of Cereals Seedlings with Rust Pathogens
p. 13 abstract
Structure of the Excretory System of the Plerocercoid Pyramicocephalus phocarum (Cestoda: Diphyllobothriidea): Proof for the Existence of Independent Terminal Cells
p. 17 abstract
Concentric Inclusions in the Intestinal Epithelium of Echiura Bonellia viridis: Structure and Possible Function
p. 21 abstract
Motor Activity and “Neotenic” Sleep in the Naked Mole Rat (Heterocephalus glaber) under Isolation
p. 25 abstract
Peculiarities of Tentacle Innervation of Flustrellidra hispida and Evolution of Lophophore in Bryozoa
p. 30 abstract
Evidences of the Oldest Trophic Interactions in the Riphean Biota (Lakhanda Lagerstätte, Southeastern Siberia)
p. 34 abstract