Chloroplasts (cp) are important organelles in plant cells that have been widely used phylogenetic, molecular evolution, and gene expression studies due to their conserved structure. In this study, we obtained the complete cp genome of Trivalvaria costata (Annonaceae) analyzed its structural characteristics. Additionally, rps12 phylogenetic framework magnoliids. The T. comprises 162,002 bp conta...

To the memory of William Ronald Sendall Sternaspid polychaetes are common and often abundant in soft bottoms in the world oceans. Some authors suggest that only one species should be recognized, whereas others regard a few species as widely distributed in many seas and variable depths from the low intertidal to about 4400 m. There are some problems with species delineation and the distinctive v...