Valentich scott p coan e v (1 risultati)

This book is a comprehensive guide to the identification of bivalve mollusks in the Per?-Chile Province. Nearly 240 species are detailed, and to facilitate its use, we have provided a series of to help the reader in making identifications. For the bivalve identification novice, we recommend beginning with an understanding of common bivalve morphological features found in the Introduction . Bivalve vocabulary is further defined in the Glossary . Once the basic morphological terms are understood, the Key to the Superfamilies will give the reader an opportunity to place a specimen in a general taxonomic group. It should be noted that this key, and all keys in this book, were written considering full size (adult) characteristics. Many superfamily sections begin with a short key to its contained families. A family containing more than one species have a Species Characteristics Table with images that will help readers separate a particular species of that family from others in the Per?-Chile Province. Readers can confirm their preliminary identification by considering the Species Descriptions? and Illustrations for every species. Within the species accounts are details about the known geographic and depth distributions. We have also included a maximum size for the species. New taxa: Gullerina n. gen., Kamenevus n. gen., Propeleda hickmanae n. sp., Semele iscovichorum n. sp. Santa Barbara, CA. Santa Barbara Museum. 593 pp., 135 plates, hardcover 4 [23 x 30.5 cm].…