Photo: Courtesy of Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences A new ...

Tillyard, Proc. Linn. Soc. N.S. Wales, 41, (1916). Withycombe, Trans. Entom. Soc. London, (1924). Killington, ” A Monograph of the British Neuroptera”, 1 (1936 ...

Segmentation of the vertebrate body is first established during embryogenesis by the periodic formation of pairs of somites — for example, every 120 minutes in mouse, 90 minutes in chicken and 3 ...

To assess the deeper phylogeny and origin of a single venom protein in general, all representative gene sets of closer related species of the discussed taxon lineage need to be incorporated in the ...

Dr. Croft uses a variety of approaches to study evolution and adaptation in extinct mammals, particularly those of South America. He has authored more than 75 peer-reviewed articles and book chapters ...

Univ Brest, Ifremer, Biologie et Ecologie des Ecosystèmes Marins Profonds (BEEP), Plouzané, France In my opinion, these discoveries challenge the “classical” models of DNA replication. Archaea are not ...

Shah and colleagues take advantage of the presence of maternal and somatic ribosomes in zebrafish and confirm their differential expression during development. The authors convincingly show that ...

沧龙类（沧龙超科 Mosasauroidea）是已经灭绝的海生爬行动物家族，其第一块化石于1766年发现于荷兰，它推动了古脊椎动物学的诞生。图注：霍夫曼沧龙，最早发现的沧龙类，图片来自网络 最近，古生物学家迈克尔·波尔辛（Michael ...

Animals can be divided into groups or 'classified' by looking at the similarities and differences between them. Animals are divided into two main groups. Animals that have a backbone are called ...