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Titlebook: Evolutionary Biology of Primitive Fishes; R. E. Foreman,A. Gorbman,R. Olsson Book 1985 Springer Science+Business Media New York 1985 biolo

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发表于 2025-3-21 18:18:25 | 显示全部楼层 |阅读模式
书目名称Evolutionary Biology of Primitive Fishes
编辑R. E. Foreman,A. Gorbman,R. Olsson
视频video
丛书名称NATO Science Series A:
图书封面Titlebook: Evolutionary Biology of Primitive Fishes;  R. E. Foreman,A. Gorbman,R. Olsson Book 1985 Springer Science+Business Media New York 1985 biolo
描述What, precisely, is a primitive fish? Most biologists would agree that the living cyclostomes, selachians, crossopterygians, etc. cannot be considered truly primitive. However, they and the fossil record have served to provide the information which forms the basis for speculation concerning the nature of the original vertebrates. This symposium of biologists from a variety of disciplines was called together to create collectively, from the best available current evidence, a picture of the probable line of evolution of the prototype primitive fishes. The symposium was designed to follow one that took place in Stockholm in 1967, convened for a similar purpose, with about the same number of participants. It is a matter of interest that almost the entire 1967 symposium (Nobel Symposium 4) dealt only with the hard tissues, whether fossil or modern. In charting the course of the present symposium it was felt that the intervening years have produced numerous lines of new evidence that could be employed in the same way that a navigator determines his position. Each field, be it adult morphology, geology, ecology, biochemistry, development or physiology, generates evidence that can be extra
出版日期Book 1985
关键词biology; development; evolution; evolutionary biology; physiology
版次1
doihttps://doi.org/10.1007/978-1-4615-9453-6
isbn_softcover978-1-4615-9455-0
isbn_ebook978-1-4615-9453-6
copyrightSpringer Science+Business Media New York 1985
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Facts and Thoughts on Piscine Phylogeny, extends back to the Upper Cambrian. Although craniate animals have many forms and shapes, they are readily subdivided into ten large groups: osteolepipods, urodelomorphs, struniiforms, actinopterygians, brachiopterygians, coelacanthiforms, dipnoans, elasmobranchiomorphs, pteraspidomorphs, and cepha
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The Brain and Sense Organs of the Earliest Vertebrates: Reconstruction of a Morphotype,proach has been to examine the brain and sense organs in living hagfishes and lampreys, with the assumption that these taxa are primitive and thus represent the starting point of vertebrate phylogeny (Worthington, 1906; Ariens Kappers, 1929; Heier, 1948; Stahl, 1977). This approach is confounded by
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Organ Development and Specialization in Lamprey Species,genesis begins with the maturation of the gametes, extends through fertilization and differentiation of organ systems, and ends with the death of the individual. Phylogenetic development follows the modification of a species or a group of species through an extended period of time. Due to their lowl
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Early Development of Oral, Olfactory and Adenohypophyseal Structures of Agnathans and Its Evolutionof present day agnathans. Unfortunately, paleontological evidence for evolution of certain soft structures of the head is not really available, so that embryonic development of such structures is often the basis for speculation in this field . Stensiö, 1968). Here, we would like to address one phase
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