By Anjali Goswami, Anthony Friscia
Participants 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 checklist spanning over sixty million years, Carnivora has confirmed to be a version clade for addressing questions of extensive 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. issues variety from the palaeoecology of the earliest fossil carnivorans to the affects of festival and constraint on variety and biogeographic distributions. numerous reports tackle ecomorphological convergences between carnivorans and different mammals with morphometric and Finite aspect analyses, whereas others ponder how new molecular and palaeontological information have replaced our knowing of carnivoran phylogeny. mixed, those reports additionally illustrate the various suite of techniques and questions in evolutionary biology and palaeontology.
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Extra info for Carnivoran Evolution: New Views on Phylogeny, Form and Function
This extinct clade is taxonomically diverse, with 34 genera, and a long fossil record spanning the Eocene to the Miocene (McKenna and Bell, 1997). Amphicyonids first appear in North America and Eurasia in the Eocene, only invading Africa in the Miocene. These medium- to large-bodied predators show a range of dental and locomotor morphologies similar to both canids and ursids, driving the confusion on their phylogenetic placement (Hunt, 1996). While early forms appear to be more cursorial, like canids, later amphicyonids display a more bear-like, semi-plantigrade stance, perhaps related to a trend of increasing body size that is well documented in this clade (Finarelli and Flynn, 2006).
Gittleman. Ithaca, NY: Comstock Publishing Associates, pp. 410–36. Van Valkenburgh, B. (1999). Major patterns in the history of carnivorous mammals. Annual Review of Earth and Planetary Science, 27, 463–93. Van Valkenburgh, B. (2007). Deja vu: the evolution of feeding morphologies in the Carnivora. Integrative and Comparative Biology, 47, 147–63. , Wang, X. M. and Damuth, J. (2004). Cope’s rule, hypercarnivory, and extinction in North American canids. Science, 306, 101–04. Wang, X. M. (1994). Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae).
And Flynn, J. J. (1993). A phylogenetic analysis and definition of the Carnivora. In Mammal Phylogeny, ed. F. S. Szalay, M. J. Novacek and M. C. McKenna. New York: Springer Verlag, pp. 32–52. Yoder, A. , Burns, M. , et al. (2003). Single origin of Malagasy Carnivora from an African ancestor. Nature, 421, 734–37. 2 Phylogeny of the Carnivora and Carnivoramorpha, and the use of the fossil record to enhance understanding of evolutionary transformations j o h n j . fl y n n , j o h n a . g. , 2005).
Carnivoran Evolution: New Views on Phylogeny, Form and Function by Anjali Goswami, Anthony Friscia