Panbiogeography: The New World |
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Page 31
Between Mid - Cretaceous and Late Cretaceous , however , we have positive
elements to judge because it is by then that were laid down the major massings
of life ; such as extending into unbroken major continuity to this day we can assay
...
Between Mid - Cretaceous and Late Cretaceous , however , we have positive
elements to judge because it is by then that were laid down the major massings
of life ; such as extending into unbroken major continuity to this day we can assay
...
Page 190
It is even less clear why mammals , having been in existence some 100 million
years before the Palaeocene ( i.e. , the whole span : Triassic ( age of fossilization
! ) Palaeocene ) should have waited that long before effecting one " Major and ...
It is even less clear why mammals , having been in existence some 100 million
years before the Palaeocene ( i.e. , the whole span : Triassic ( age of fossilization
! ) Palaeocene ) should have waited that long before effecting one " Major and ...
Page 794
uprooted overland as the aftermath of major tectonic and physiographic events . "
Judged by standards of time easily accessible to man this sounds like a great ,
sudden catastrophe . Spread , however , over the span of some twenty to thirty ...
uprooted overland as the aftermath of major tectonic and physiographic events . "
Judged by standards of time easily accessible to man this sounds like a great ,
sudden catastrophe . Spread , however , over the span of some twenty to thirty ...
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accordingly active Africa already Amazonas ancient Andean Antilles better biogeographic birds Bolivia Bond Brazil Caribbean Central America Chapter clear close Colombia concepts conclusion connections considering contrary course deal detail disconnected discussion dispersal distribution east Eastern Ecuador effect endemic essentially eventually evidence example fact finally follows form-making former forms fossil further Galapagos genera genus geography geological groups Guiana hand immediate interest islands kind known land least less Lesser living major marked massing matter means Mexico naturalist nature North Northern Northwestern occur once origin Pacific Panama particular pattern Peru plants Pleistocene possible present question races range reached reader reason records reference regard Santander score sector South America Southern space species stand student throughout track true turn understanding Venezuela Veracruz West Western whole World
Bibliographic information
| Title | Panbiogeography: The New World Volume 1 of Panbiogeography, León Croizat Volume 1 of Panbiogeography: Or, An Introductory Synthesis of Zoogeography, Phytogeography, and Geology, with Notes on Evolution, Systematics, Ecology, Anthropology, Etc, Léon Croizat |
| Author | Léon Croizat |
| Publisher | Léon Croizat, 1958 |
| Original from | the University of Michigan |
| Digitized | 23 Feb 2009 |
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