. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Fig. 7: Rock wallaby Petrogale inornata (Macropodidae), left ramus with staggered is (Queensland, Australia). Redrawn from Hershkovitz (1982). Caenolestidae (Caenolestes, Lestoros, Rhyncholestes): Elongation of the upper jaw in caenolestids was not accompanied by an equivalent prolongation of the man- dible. Instead, the gap between the jaws was bridged by elongation of the lance-hke first-in-line incisor or phylogenetic Í2. Reduction to near obsolescence of the rem
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Fig. 7: Rock wallaby Petrogale inornata (Macropodidae), left ramus with staggered is (Queensland, Australia). Redrawn from Hershkovitz (1982). Caenolestidae (Caenolestes, Lestoros, Rhyncholestes): Elongation of the upper jaw in caenolestids was not accompanied by an equivalent prolongation of the man- dible. Instead, the gap between the jaws was bridged by elongation of the lance-hke first-in-line incisor or phylogenetic Í2. Reduction to near obsolescence of the remain- ing antemolar teeth decreased incisor tooth crowding in caenolestids but phylogenetic Í3 remains pinched between the adjacent incisors. Front teeth reduction in Rhyncholestes is more derived, but is staggers over Í2. Microbiotheriidae. In Dromiciops (figs 6a, 8), the lone surviving taxon of the family and Cohort Microbiotheriomorphia, the spatulate crowns of lower incisors touch, sometimes with slight overlap but without stagger. Mandibles of the holotypes of Miocene Microbiotherium tontor and M tehuelchum lack at least the. Fig. 8: Monito del monte, Dromiciops gliroides. Labial aspect, is not staggered, not Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
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