Contents

Paleontological Journal


Vol. 54, No. 12, 2020


New Genus and Species of Lymexylidae (Coleoptera) from Baltic Amber

V. Y. Nazarenko, E. E. Perkovsky and D. V. Vasilenko p. 1395  abstract

Mesozoic Gall Midges (Diptera, Cecidomyioidea) with a Description of a New Genus and Species from the Santonian Amber of Taimyr (Ugolyak)

Z. A. Fedotova and E. E. Perkovsky p. 1400  abstract

Sexual Dimorphism in the Postcranial Skeleton of Dinosaurs

V. S. Tereshchenko p. 1410  abstract

Evolution of Red Blood Cells in Extant and Extinct Tetrapods

I. Udroiu p. 1434  abstract

Revision of the Genera Spinodeflandrella Kozur, 1981, Holdsworthella Kozur, 1981 and Haplodiacanthus Nazarov et Rudenko, 1981 (Early Permian Radiolarians of the Order Albaillellaria) in the South Urals, Russia

M. S. Afanasieva p. 1443  abstract