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David L. Hayman; Peter G. Martin:

Chordata 4. Mammalia I

Monotrema and Marsupialia

1974. IV, 110 pages, 33 figures, 26 tables, 16 plates, 16x25cm, 380 g
Language: English

(Animal Cytogenetics, Volume 4)

ISBN 978-3-443-26002-6, paperback, price: 25.00 €

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Contents

Contents top ↑


1 General introduction 1
1.1 Phylogeneticbackground 1
1.2 Completeness of this survey 3
2 The monotremes 3
3 The marsupials 5
3.1 Introduction 5
3.2 Description of the karyotypes 5
3.3 Superfamily Didelphoidea (Grey) 6
3.4 Superfamily Caenolestoidea (Prouessart) 11
3.5 Superfamily Dasyuroidea (Goldfuss) 13
3.6 Superfamily Perameloidea (Waterhouse) 15
3.7 Superfamily Phalangeroidea (Thomas) 18
3.7.1 Families Vombatidae (Iredale and Troughton) and Phascolarctidae
(Owen) 18
3.7.2 Family Burramyidae (Broom) 18
3.7.3 Family Phalangeridae (Thomas) 23
3.7.4 Family Petauridae (Gill) 24
3.7.5 Family Tarsipedidae (Gill) 27
3.7.6 Family Macropodidae (Grey) 27
3.7.7 Summary of the Phalangeroidea 40
4 Chromosomal evolution in the Marsupials 41
4.1 Retention of the form of the basic karyotype 41
4.2 Pathways of evolutionary change of number in Marsupials 45
4.3 Mechanism of chromosomal changes 46
4.4 Variation in nuclear DNA content 48
4.5 Why does chromosome number vary? 51
4.6 For the taxonomist 53
5 Sex chromosomes in the Marsupials 55
5.1 The determination of sex 55
5.2 Sex-ratio in the marsupials 56
5.3 X-chromosome inactivation in marsupials 57
5.4 Variation in the size of sex-chromosomes 60
5.5 Sex chromosome mosaicism as a genetic system 66
5.6 Complex sex chromosome systems 72
6 Numerical variations in the chromosome complement 76
6.1 The occurrence of supernumerary chromosomes 76
6.2 Polymorphism for chromosome number 78
7 Interspecific hybrids among marsupials 79
8 Genetic and cytogenetic potential of marsupial species 80
Acknowledgements 86
Appendix 1: List of synonyms 87
Appendix 2: Localities of species described for the first time in this paper 87
Plates 89
References 101
Species index 109