By Anjali Goswami, Anthony Friscia
Individuals of the mammalian clade Carnivora have invaded approximately each continent and ocean, evolving into bamboo-eating pandas, clam-eating walruses and naturally, flesh-eating sabre-toothed cats. With this ecological, morphological and taxonomic range and a fossil list spanning over sixty million years, Carnivora has confirmed to be a version clade for addressing questions of wide evolutionary importance. This quantity brings jointly best overseas scientists with contributions that concentrate on present advances in our figuring out of carnivoran relationships, ecomorphology and macroevolutionary styles. themes diversity from the palaeoecology of the earliest fossil carnivorans to the affects of pageant and constraint on variety and biogeographic distributions. numerous reports deal with ecomorphological convergences between carnivorans and different mammals with morphometric and Finite aspect analyses, whereas others think about how new molecular and palaeontological info have replaced our knowing of carnivoran phylogeny. mixed, those experiences additionally illustrate the various suite of methods and questions in evolutionary biology and palaeontology.
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Additional info for Carnivoran Evolution: New Views on Phylogeny, Form and Function
First, fossil data provide a more complete sampling of the entire distribution of character states through the evolutionary history of a clade, documenting morphologies that through extinctions are no longer represented in the extant sample. Second, fossils provide temporal information associated with the specimens, which can be used to weight character state observations in the reconstructions. Adding fossil taxa has been shown to positively affect both accuracy and precision of ancestral character state reconstructions (Oakley and Cunningham, 2000; Polly, 2001; Finarelli and Flynn, 2006, 2007).
Zoologica Scripta, 32, 199–229. Polly, P. , Wesley-Hunt, G. , Heinrich, R. , Davis, G. and Houde, P. (2006). Earliest know carnivoran auditory bulla and support for a recent origin of crown-group carnivora (Eutheria, Mammalia). Palaeontology, 49, 1019–27. Rasmussen, D. , Tilden, C. D. and Simons, E. L. (1989). New specimens of the giant creodont Megistotherium (Hyaenodontidae) from Moghara, Egypt. Journal of Mammalogy, 70, 442–47. Riggs, E. S. (1934). A new marsupial saber-tooth from the pliocene of Argentina and its relationships to other South American predaceous marsupials.
2007). 3. , 2007 and Morlo and Peigne´, this volume [the latter includes detailed discussion of 26 species (in 9 genera) of simocyonine and ailurine ailurids, morphological and molecular phylogeny evidence, and the oldest ailurid, the 25 million year old Amphictis]). 4. ]); Mustelidae, Martes-group (Gulo gulo); Mustelidae, Mustela (Mustela frenata); Mustelidae, Lutrinae (Lontra canadensis). Phylogeny of the Carnivora and Carnivoramorpha 5. 6. 7. 8. , 2004a; Gaubert and Cordeiro-Estrela, 2006; Veron, this volume).