Capa do livro de Spire (Mollusc)
Título do livro:

Spire (Mollusc)

Mollusc, Shell, Snail, Gastropod, Habitat, Zoology

Part Press (2011-08-26 )

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ISBN- 1 3:

978-613-7-97654-8

ISBN- 1 0:
6137976548
EAN:
9786137976548
Idioma do livro:
Inglês
Anotações e citações/ texto breve:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A spire is a descriptive term for part of the shell of a snail, a gastropod mollusc shell or gastropod shell. The spire consists of all of the whorls of a coiled gastropod shell except for the body whorl. Each spire whorl is a turn of 360° of the spire. The word is a convenient aid in describing shells, it does not refer to an immutable part of shell anatomy. In textbook illustrations of gastropod shells, the tradition (with a few exceptions) is to show the majority of shells with the spire uppermost on the page. The spire, when not damaged, includes the protoconch (also called : the nuclear whorls) (which is the larval shell), and most of the subsequent teleoconch whorls (also called : postnuclear whorls), which gradually increase in size as they are formed. Thus the spire in most gastropods has a point, which is known as the "apex". This is why the word "spire" is used, in analogy to a church spire.
Editora:
Part Press
Website:
http://www.betascript-publishing.com
Editado por:
Ben Stacy Jerrik
Número de páginas:
84
Publicado em:
2011-08-26
Stock:
Disponível
Categoria:
Zoologia
Preço:
34 €
Palavras chave:
Zoology, habitat, mollusc, Shell, Snail, Gastropod

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