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Cracraft, Joel

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Most widely held works about Joel Cracraft
 
Most widely held works by Joel Cracraft
Assembling the tree of life by Joel Cracraft( )

29 editions published between 2004 and 2006 in English and Spanish and held by 2,469 WorldCat member libraries worldwide

This book is designed to be the most authoritative synthesis of knowledge about the history of life. All the major groups of organisms are treated by the leading workers in their fields. This book should prove indispensable for evolutionary biologists, taxonomists, and ecologists interested in biodiversity. It will also become a sourcebook for oranismic biologists, botanists, and microbiologists
Phylogenetic analysis of DNA sequences by Michael M Miyamoto( )

19 editions published between 1991 and 1992 in English and held by 1,535 WorldCat member libraries worldwide

With increasing frequency, systematic and evolutionary biologists have turned to the techniques of molecular biology to complement their traditional morphological and anatomical approaches to questions of historical relationship and descent among groups of animals and plants. In particular, the comparative analysis of DNA sequences is becoming a common and important focus of research attention today. This volume surveys the emerging field of molecular systematics of DNA sequences by focusing on the following topics: DNA sequence data acquisition; phylogenetic inference; congruence and consensus problems; limitations of molecular data; and integration of molecular and morphological data sets. The volume takes its inspiration from a major symposium sponsored by the American Society of Zoologists and the Society of Systematic Zoology in December, 1989
Phylogenetic patterns and the evolutionary process : method and theory in comparative biology by Niles Eldredge( Book )

14 editions published between 1980 and 2007 in English and held by 693 WorldCat member libraries worldwide

The living planet in crisis : biodiversity science and policy by Joel Cracraft( Book )

8 editions published between 1999 and 2004 in English and held by 578 WorldCat member libraries worldwide

Papers presented at a conference held at New York in 1995
Phylogenetic analysis and paleontology : proceedings of a symposium entitled "Phylogenetic models," convened at the North American Paleontological Convention II, Lawrence, Kansas, August 8, 1977 by Phylogenetic Models (Conference)( Book )

25 editions published in 1979 in English and held by 517 WorldCat member libraries worldwide

Studies how phylogenetic analysis is important in paleontology and that attempts to systematize fossil species should be based on an analysis of phylogenetic history
Audubon( Visual )

1 edition published in 2017 in English and held by 272 WorldCat member libraries worldwide

Naturalist and nineteenth century painter, John James Audubon was one of the most remarkable men of early America. The program brings to life his timeless paintings with dazzling footage of the living birds he immortalized, and celebrates visually the natural world he described in his writings. Interviews reveal the man, explore his art, and put his groundbreaking work in modern perspective
The functional morphology of the hind limb of the domestic pigeon, Columba livia by Joel Cracraft( Book )

6 editions published between 1969 and 1971 in English and held by 74 WorldCat member libraries worldwide

"The present paper presents the results of a study on the functional morphology of hind-limb locomotion in the domestic pigeon, Columba livia. The structure and function of the hind-limb joints is discussed first. The major morphological features of the joint are examined using techniques of microscopic and gross anatomy, and these results are correlated with the kinds and amounts of movement permitted at each joint. Next, a detailed description of the hind-limb muscles is presented. Included in the descriptions are data on origins and insertions, the arrangement of the fibers in relation to aponeuroses of origin and insertion, the relative length of the fibers, the angle of pinnation, and information about the histological composition twitch (fibrillenstruktur) and tonus (felderstruktur) fibers within the muscle. The data in the section on muscle description are then used in conjunction with some basic principles of muscle physiology to arrive at more well-founded conclusions as to the functions of the different muscles. A high-speed motion picture analysis of hind-limb locomotion in the pigeon is then given. Three different gaits (moderate walk, slow walk, and a run) are studied and compared with respect to angular displacements and angular velocities. The important aspects of landing are briefly considered. Finally, the results of the functional analysis of the muscles are combined with those of the motion picture analysis to enable the construction of an activity sequence of the muscles during a walk. Information such as when muscles are active during a step and the kinds of motion observed is considered. Certain features of one-joint and multi-joint muscles and of vertebrate joint structure and function are discussed"--P. 265
Systematics and evolution of the Gruiformes (class Aves) by Joel Cracraft( Book )

5 editions published in 1973 in English and held by 54 WorldCat member libraries worldwide

"A comparative analysis of both fossil and Recent species of the suborder Grues of the order Gruiformes is presented here. A phylogeny is proposed for the families studied and is constructed on the premise that monophyletic taxa can be defined only by the recognition of shared, derived character-states. The suborder Grues can be divided into two lineages, the infraorders Ralli and Grui. Two families comprise the Ralli: the Rallidae and Laornithidae. The Grui diverged into two major radiations at the beginning of the Tertiary: (1) the Geranoidea (Geranoididae, Bathornithidae, Idiornithidae), and (2) the Gruoidea (Eogruidae, Ergilornithidae, Gruidae, Aramidae, Psophiidae). The Geranoididae are the most morphologically primitive members of the Grui. The bathornithids and idiornithids share many derived features, presumably inherited from a geranoidid-like ancestor. The ergilornithids were apparently derived from an eogruid-like ancestor. The Gruidae, Aramidae, and Psophiidae form a separate lineage within the Gruoidea, with the last two families having the closest relationship. A new family of the infraorder Ralli, the Laornithidae, is described for the late Cretaceous species Laornis edvardsianus Marsh. The new fossil species described are: Palaeorallus brodkorbi (Rallidae), Quercyrallus quercy (Rallidae), Palaeoaramides minutus (Rallidae), and Idiornis gaillardi (Idiornithidae). Revisions are presented for the pre-Pleistocene extinct genera of the following families: Rallidae, Idiornithidae, Eogruidae, Ergilornithidae, Gruidae, and Aramidae. A number of genera are transferred from one family to another. Various schemes of classification for the Grues are briefly discussed It is suggested that a classification which expresses monophyletic relationships in a strict manner (i.e, dichotomously) is to be preferred"--P. 5
Evolutionary science and society : educating a new generation( Book )

2 editions published in 2005 in English and held by 32 WorldCat member libraries worldwide

Systematics and evolution of the Gruiformes (class Aves) by Joel Cracraft( Book )

3 editions published in 1971 in English and held by 28 WorldCat member libraries worldwide

"A new genus and species of bathornithid, Eutreptornis uintae, is described for a tibiotarsus and tarsometatarsus from the late Eocene of Utah. Eutreptornis exhibits many morphological features found in both the bathornithids and their presumed ancestors, the Geranoididae of the Eocene of North America. An additional tibiotarsus of Bathornis veredus and a tarsometatarsus of B. geographicus are placed on record. A new species, B. minor, is decribed from the early Miocene of South Dakota. This species was the smallest member of the family and was closely related to B. fricki. Contrary to my earlier assumptions, Paracrax wetmorei probably could fly. Phalacrocorax mediterraneus Shufeldt is a bathornithid, and the type carpometacarpus is referred to Paracrax antiqua"--P. 13
The Howard and Moore complete checklist of the birds of the world by Richard Howard( Book )

in English and held by 23 WorldCat member libraries worldwide

Phylogeny and evolutionary history of Old World suboscine birds (Aves, Eurylaimides)( )

1 edition published in 2006 in English and held by 15 WorldCat member libraries worldwide

Molecular and morphological data were used to derive a phylogenetic hypothesis for the Eurylaimides, an Old World bird group now known to be distributed pantropically, and to investigate the evolution and biogeography of the group. Phylogenetic results indicated that the Eurylaimides consist of two monophyletic groups, the pittas (Pittidae) and the broadbills (Eurylaimidae sensu lato), and that the broadbills consist of two highly divergent clades, one containing the sister genera Smithornis and Calyptomena, the other containing Pseudocalyptomena graueri, Sapayoa aenigma, the asity genera Philepitta and Neodrepanis, and five Asian genera. Our results indicate that over a ~10 million year time span in the early Tertiary, the Eurylaimides came to inhabit widely disjunct tropical regions and evolved disparate morphology, diet, and breeding behavior. Biogeographically, although a southern origin for the lineage is likely, time estimates for major lineage splitting do not correspond to Gondwanan vicariance events, and the biogeographic history of the crown clade is better explained by Laurasian climatic and geological processes. In particular, the timing and phylogenetic pattern suggest a likely Laurasian origin for the sole New World representative of the group, Sapayoa aenigma
Systematics and evolution of the Gruiformes (class, Aves) by Joel Cracraft( Book )

3 editions published between 1969 and 1973 in English and held by 9 WorldCat member libraries worldwide

"The present paper reviews the relationships of some fossil gruiform birds from the Eocene of North America. Geranoides jepseni Wetmore is gruiform, but the type tarsometatarsus was distorted during preservation and cannot be used as a basis for phylogenetic inferences. Paragrus prentici (Loomis) is transferred from the Gruidae to the Geranoididae, and a new species P. shufeldti is described. New material of the fossil Palaeophasianus meleagroides Shufeldt establishes a rather close relationship to the geranoidids; the largest member of the family, P. incompletus, is described and tentatively placed in Palaeophasianus. Two new genera are described and allocated to the Geranoididae. The first is Eogeranoides campivagus, which has definite affinities to the Geranoididae. The second, Geranodornis aenigma, has doubtful relationships with the other genera and may represent an independent line of Eocene gruiforms. The Geranoididae are probably derived from a common ancestor with the Eogruidae of the Eocene of eastern Asia. Furthermore, the geranoidids are likely candidates for the ancestors of the Bathornithidae, thus suggesting that the latter family is not actually closely related to the cariamid-phororhacoid line of gruiforms. Another line of gruiforms, which is separable from the geranoidids and bathornithids, apparently includes the Eogruidae, Gruidae, Aramidae, and Psophiidae"--P. 39-40
Speciation in African forest robins (Stiphronis) : species limits, phylogentic relationships, and molecular biology by Pamela Beresford( Book )

2 editions published in 1999 in English and held by 9 WorldCat member libraries worldwide

"The monotypic genus Stiphrornis (Aves: Turdidae) is revised under a phylogenetic species concept to include four species, one of which, from the southwest Central African Republic, is new. Mitochondrial DNA sequence data are analyzed to explore the phylogenetic relationships within Stiphrornis. These data indicate relatively high levels of sequence divergence among the species and corroborate their recognition as diagnosable taxa, a conclusion also supported by morphological evidence. These findings, along with the allopatric distributions of the species, compel attention to their phylogenetic and spatial history, which was not explored when this group was ascribed to a single "biological" species. Data reviewed here also suggest that the northwest Congo Basin forest, where the new species was discovered, is more zoogeographically complex than has been previously sus-pected. In addition, application of a phylogenetic species concept emphasizes the narrow endemism of S. gabonensis and S. sanghensis, along with its implications for conserving their threatened habitats. The findings of this paper also reinforce the notion that patterns of geographic variation in the lowland forests of West and Central Africa are still incompletely understood and that the impact of environmental and geological history on the diversification of the forest avifauna has not yet been fully explored"--P. [1]
The functional morphology of the hindd limb of the domestic pigeon, Columba livia by Joel Cracraft( Book )

2 editions published in 1971 in English and held by 8 WorldCat member libraries worldwide

The Howard and Moore complete checklist of the birds of the world by Richard Howard( Book )

in English and held by 6 WorldCat member libraries worldwide

Systematics and evolution of the gruiformes (class Aves) by Joel Cracraft( Book )

in English and held by 3 WorldCat member libraries worldwide

 
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Assembling the tree of life
Covers
Phylogenetic analysis of DNA sequencesThe living planet in crisis : biodiversity science and policyThe Howard and Moore complete checklist of the birds of the worldThe Howard and Moore complete checklist of the birds of the world
Alternative Names
Cracraft, Joel

Cracraft, Joel L. 1942-

Cracraft, Joel Lester.

Cracraft, Joel Lester 1942-

Joel Cracraft Amerikaans paleontoloog

Joel Cracraft ornitólogo e paleontólogo estadounidense

Joel Cracraft US-amerikanischer Ornithologe und Paläontologe

Joel Lester Cracraft paléontologue et ornithologue américain (1942-)

クレイクラフト, J

喬爾·克拉克拉夫特

Languages
English (128)

Spanish (1)