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CARNIVORASystematics & Biology
Mammalogy – EEOB 625
23 February 2004
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• Few orders have been successful, n = ?
• Adaptations: dental = canines & carnassials
• digestive & locomotory adaptations
• Primitive Order Creodonta
primitive carnassials: (M2/ M3)
• Cimolestes: weasel-like member of the ancestral family Miacidae
Risks &Advantages of Carnivory
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Fig. 15.1 FeldhamerSee Fig. 12-1 Vaughan
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• Dental ‑ Carnassial Teeth: last upper premolar & first lower molar (P4/ M1)
• Carnassial function - shearing action
• Digestion: Simple with rapid passage • Locomotion: Plantigrade to Digitigrade
• What is the most highly derived family?
• Function & control of retractile claws
Adaptations of Carnivores
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Fig. 6.6B, Feldhamer
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Shape of the Mandibular Fossa
Musteliae: “C”-shaped
Ursidae
flat
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lion
hyena
dog
Fig. 15.4
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Fig. 6.2, Feldhamer
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Fig. 6.2
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Schwartz
(1959)
Adaptations of an omnivorous carnivore
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• “Cat‑like” taxa in four families
• Felidae: most highly derived, speciose (36 species, Herpestidae with 37 species), and nearly Worldwide in distribution
• Herpestidae & Viverridae
• Hyaenidae: Highest in adaptive radiation?
• Ardwolves: transitional to true myrmecophagy?
Suborder Feliformia
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Schwartz & Schwartz (1959)
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Spotted hyaena
Adaptive radiation in Hyaenidae
Ardwolf
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• “dog‑like”families &marine carnivores
• Procyonidae: the New World ominvores
• Giant Panda ‑ a member of Ursidae?
‑ anatomy of the manus and skull
‑ DNA hybridization & other techniques
• The ursid phylogenetic tree • Mustelidae: Origin & diversity (65species)
Suborder Caniformia
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Brown bear
Giant Panda
Raccoon
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