Fossil Frogs and Toads of North America

Fossil Frogs and Toads of North America

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The heart of this book consists of detailed systematic accounts of the known fossil frogs and toads (anurans) of North America and their localities. Extinct fossil frogs and toads are fully discussed and illustrated, and in some cases are re-diagnosed and re-described. For fossil taxa still living, the book gives the modern characteristics, ecological attributes, and modern ranges, and includes illustrations of diagnostic skeletal elements. The volume begins with an overview of the anurans and anuran studies, a general account of the skeleton and bones, and a discussion of the early evolution of the Anura, along with the formal classification of anuran taxonomic groups found in the North American fossil record. The third part of the book presents an epoch-by-epoch discussion of Mesozoic, Tertiary, and Pleistocene anurans, the classification and phylogeny of the anurans, and a comprehensive list of references.Fishes essentially have no neck, but in adult amphibians, with the disappearance of internal gills, a neck, albeit still a very short one, appears. ... Figure 2 is a semidiagrammatic depiction (in dorsal view) of an advanced frog. ... Intermediate vertebrae II-VIII have rounded transverse processes (not labeled in Figure 2), although in vertebrae II and III these ... is illustrated by the fact that, from a practical standpoint, aquot;frog legsaquot; are the only frog parts many modern humans choose to eat.

Title:Fossil Frogs and Toads of North America
Author: J. Alan Holman
Publisher:Indiana University Press - 2003-12-25

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