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Fig. 35 in Taxonomic Composition And Systematics Of Late Cretaceous Lizard Assemblages From Ukhaa Tolgod And Adjacent Localities, Mongolian Gobi Desert

Fig. 35. Varanoidea, undetermined genus and species: A, B, IGM 3/172, left maxillary fragment lateral and medial views; C–F, associated vertebrae in dorsal and ventral views.

Fig. 32 in Taxonomic Composition And Systematics Of Late Cretaceous Lizard Assemblages From Ukhaa Tolgod And Adjacent Localities, Mongolian Gobi Desert

Fig. 32. Anguimorpha, Estesia mongoliensis: IGM 3/14 (holotype), nearly complete skull with mandibles from Khulsan (courtesy of L. Meeker and C. Tarka).

Fig. 21 in Taxonomic Composition And Systematics Of Late Cretaceous Lizard Assemblages From Ukhaa Tolgod And Adjacent Localities, Mongolian Gobi Desert

Fig. 21. Macrocephalosaurus sp.: IGM 3/132, A, fused premaxillae anterior view; B, left maxilla medial view; C, D, right maxilla, lateral and medial views.

Fig. 22 in Taxonomic Composition And Systematics Of Late Cretaceous Lizard Assemblages From Ukhaa Tolgod And Adjacent Localities, Mongolian Gobi Desert

Fig. 22. Macrocephalosaurus chulsanensis: IGM 3/134, A, B, incomplete skull articulated with mandibles from Khulsan, dorsal and lateral views; C, closeup shot of right maxillary teeth.

Fig. 31 in Taxonomic Composition And Systematics Of Late Cretaceous Lizard Assemblages From Ukhaa Tolgod And Adjacent Localities, Mongolian Gobi Desert

Fig. 31. Anguimorpha, Monstersauria, Gobiderma pulchrum: A, B, IGM 3/55, nearly complete skull with mandibles from Udan Sayr, dorsal and ventral views.

Fig. 2 in Taxonomic Composition And Systematics Of Late Cretaceous Lizard Assemblages From Ukhaa Tolgod And Adjacent Localities, Mongolian Gobi Desert

Fig. 2. Landscape of the Gobi localities. Top photo: view of the Flaming Cliffs (the classic locality Bayn Dzak); bottom photo: the new fossil bonanza, Ukhaa Tolgod.

FIGURE 5 in The Mitochondrial Genome of Allonautilus (Mollusca: Cephalopoda): Base Composition, Noncoding-Region Variation, and Phylogenetic Divergence

FIGURE 5. Phylogenetic relationships among some cephalopod species (and their orders) based on mitochondrial DNA sequences. Parsimony phylogram is based on COX and ATPase genes for cephalopod species whose mitogenomes have been sequenced; Katharina tunicata was used as an outgroup (not shown). Bootstrap values are shown along branches.

FIGURE 2 in The Mitochondrial Genome of Allonautilus (Mollusca: Cephalopoda): Base Composition, Noncoding-Region Variation, and Phylogenetic Divergence

FIGURE 2. Arrangement of the mitogenome of Allonautilus scrobiculatus; the lengths of the individual genes are drawn approximately to scale. Genes encoding on the same strand as CO1 are shown (in white) on the outer portion of the circular genome and are transcribed in the clockwise direction. Genes on the other strand are transcribed in the counterclockwise direction and are indicated on the inner portion of the genome and shaded in blue; the nine largest noncoding regions (20 bp or greater) are shown in gray.

FIGURE 4 in The Mitochondrial Genome of Allonautilus (Mollusca: Cephalopoda): Base Composition, Noncoding-Region Variation, and Phylogenetic Divergence

FIGURE 4. Base composition of the major genes (excluding tRNAs) in the mitogenome of Allonautilus. Plusstrand (+) defined as the coding strand for CO1.

FIGURE 1 in The Mitochondrial Genome of Allonautilus (Mollusca: Cephalopoda): Base Composition, Noncoding-Region Variation, and Phylogenetic Divergence

FIGURE 1. Allonautilus differs from Nautilus in the size and shape of the umbilicus, type of periostracum, and texture of the hood (e.g., Saunders et al., 1987). A. Allonautilus scrobiculatus, Little Ndrova Island, Papua New Guinea, AMNH 101045. B. Nautilus macromphalus, New Caledonia, AMNH 94104.

FIGURE 3 in The Mitochondrial Genome of Allonautilus (Mollusca: Cephalopoda): Base Composition, Noncoding-Region Variation, and Phylogenetic Divergence

FIGURE 3. Architecture of the large noncoding region of extant nautilid mitogenomes. Features are shown for the strand on which CO1 is coded. Nautilus macromphalus (Boore, 2006) was characterized by a microsatellite, six copies of a 62 bp repeat (R1–R6), and a poly-T monomer; in Allonautilus, the microsatellite and first copy of the repeat were missing in one individual (indel pattern A), and an additional repeat was missing in two other individuals (indel pattern B); all individuals possessed the poly-T monomer (blue bar). The frequency of T and G nucleotides varied considerably through the noncoding region: their frequencies, in a 100 bp sliding window, are shown in the lower panel.

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Text-fig. 5. The generic composition of the rodent faunas on the family and subfamily level. The black line sets apart subfamilies of the Muridae (right side) from other rodents (left). The proportion of murid genera increases over time. in Generically Speaking, A Survey On Neogene Rodent Diversity At The Genus Level In The Now Database

Text-fig. 5. The generic composition of the rodent faunas on the family and subfamily level. The black line sets apart subfamilies of the Muridae (right side) from other rodents (left). The proportion of murid genera increases over time.

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FIG. 5 in Devonian vertebrates from East Greenland: a review of faunal composition and distribution

FIG. 5. — Patch of vertebrate remains containing acanthodian fin spines and scales, and possible interclavicle of a tetrapod (MGUH f.n. 155): A, overview; B, Acanthodidae indet., close up of spine. Scale bars: A, 1 cm; B, 0.5 cm.

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FIG. 3 in Devonian vertebrates from East Greenland: a review of faunal composition and distribution

FIG. 3. — Chondrichthyes indet., spine lodged in the right lower jaw of the tetrapod Acanthostega (MGUH f.n. 1300): A, overview of lower jaws and spine; B, close up of spine; C, spine in cross section. Scale bars: A, 1 cm; B, 0.5 cm; C, 0.1 cm.

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FIG. 1 in Devonian vertebrates from East Greenland: a review of faunal composition and distribution

FIG. 1. — Map of East Greenland showing extent of the Devonian outcrops. Based on Olsen & Larsen (1993).

Text-fig. 10. Dorsal view of endocranium of a ca. 53 mm Tachyglossus aculeatus. Derivatives of the teniform cartilages blue. con: orbitonasal commissure; tn: tectum nasi. (Modified from Kuhn 1971.) in Cartilago Teniformis And Its Derivatives: Additional Information On The Basic Composition And Evolution Of The Skull

Text-fig. 10. Dorsal view of endocranium of a ca. 53 mm Tachyglossus aculeatus. Derivatives of the teniform cartilages blue. con: orbitonasal commissure; tn: tectum nasi. (Modified from Kuhn 1971.)

Text-fig. 9. Tachyglossus aculeatus. Transverse section through the orbital region of the head of a juvenile specimen. ms: sphenobturatory membrane; plb: palatine bone; psw: primary endocranial sidewall; sll: secondary lateral lamella of Kuhn (1971); this endocranial process (blue) is here interpreted as a derivative of the cartilago teniformis. (From Kuhn and Zeller 1987.) in Cartilago Teniformis And Its Derivatives: Additional Information On The Basic Composition And Evolution Of The Skull

Text-fig. 9. Tachyglossus aculeatus. Transverse section through the orbital region of the head of a juvenile specimen. ms: sphenobturatory membrane; plb: palatine bone; psw: primary endocranial sidewall; sll: secondary lateral lamella of Kuhn (1971); this endocranial process (blue) is here interpreted as a derivative of the cartilago teniformis. (From Kuhn and Zeller 1987.)

Text-fig. 7. Tachyglossus aculeatus. Ventrolateral view of the head endoskeleton of a specimen shortly after it had left the pouch. fp: foramen prooticum; lpc: limbus praecapsularis (blue); ls: supracapsular lamina. (Modified from Gaupp 1913.) in Cartilago Teniformis And Its Derivatives: Additional Information On The Basic Composition And Evolution Of The Skull

Text-fig. 7. Tachyglossus aculeatus. Ventrolateral view of the head endoskeleton of a specimen shortly after it had left the pouch. fp: foramen prooticum; lpc: limbus praecapsularis (blue); ls: supracapsular lamina. (Modified from Gaupp 1913.)

Text-fig. 6. Ornithorhynchus anatinus. Transverse section through the otic region of the head of a 180-mm specimen. ls: supracapsular lamina; lsc: lateral semicircular canal; mt: musculus temporalis; opa: parietal bone; opl: pluteal bone; ppe: parietal process of endocranium (blue). (Modified from Zeller 1989.) in Cartilago Teniformis And Its Derivatives: Additional Information On The Basic Composition And Evolution Of The Skull

Text-fig. 6. Ornithorhynchus anatinus. Transverse section through the otic region of the head of a 180-mm specimen. ls: supracapsular lamina; lsc: lateral semicircular canal; mt: musculus temporalis; opa: parietal bone; opl: pluteal bone; ppe: parietal process of endocranium (blue). (Modified from Zeller 1989.)

Text-fig. 8. Tachyglossus aculeatus. Transverse section through the temporal region of the adult head. Membranous parts blue, autostoses brown and allostoses purple. gg: ganglion gasseri; lop: lamina obturatoria periotici; ms: sphenobturatory membrane; mt: musculus temporalis; oo: os obturans; opa: parietal bone. (Modified from Kuhn and Zeller 1987.) in Cartilago Teniformis And Its Derivatives: Additional Information On The Basic Composition And Evolution Of The Skull

Text-fig. 8. Tachyglossus aculeatus. Transverse section through the temporal region of the adult head. Membranous parts blue, autostoses brown and allostoses purple. gg: ganglion gasseri; lop: lamina obturatoria periotici; ms: sphenobturatory membrane; mt: musculus temporalis; oo: os obturans; opa: parietal bone. (Modified from Kuhn and Zeller 1987.)