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datasets available to search
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Dataset results
13 results for “Hydrodynastes”
FIGURE 5–6 in A new species of Hydrodynastes Fitzinger, 1843 from central Brazil (Serpentes: Colubridae: Xenodontinae)
FIGURE 5–6. Hemipenis of Hydrodynastes melanogigas (IBSP 65383). 5, sulcate; 6, asulcate side. Scale bar 5 mm.
FIGURE 1–4 in A new species of Hydrodynastes Fitzinger, 1843 from central Brazil (Serpentes: Colubridae: Xenodontinae)
FIGURE 1–4. Holotype of Hydrodynastes melanogigas (IBSP 65796). 1, dorsal; 2, ventral view; 3, lateral of the head; 4, dorsum of the head.
FIGURE 7 in A new species of Hydrodynastes Fitzinger, 1843 from central Brazil (Serpentes: Colubridae: Xenodontinae)
FIGURE 7. Distribution of the examined specimens of Hydrodynastes. Hydrodynastes melanogigas (triangles); H. gigas (circles); and H. bicinctus (squares).
FIGURE 9 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 9. Lateral (A), dorsal (B), and ventral (D) views of the snout and detailed dorsolateral view of anterior region of skull (C) of Hydrodynastes bicinctus (MNRJ 4767). Frontal = F; nasal = N; prefrontal = PF; vomer = V; septomaxilla = SM; premaxilla = PM; palatine = PAL; maxilla = MX; parietal = P; postorbital = PO; ectopterygoid = ECT. Scale = 2.5 mm.
FIGURE 7 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 7. Cephalic glands of Hydrodynastes bicinctus (MNRJ 4769). Lateral view after removing the skin (A), lateral view after removing the orbit, Duvernoy's gland and adductor externus medius (aem), adductor externus superficialis (aes), and levator anguli oris (lao) muscles (B), and ventral view exposing infralabial and sublingual glands (C). Duvernoy's gland = D.g; supralabial gland = s.g.; nasal gland = n.g; premaxillary gland = p.g; Harderian gland = H.g.; lateral sublingual gland = l.s.g.; medial sublingual gland = m.s.g.; infralabial gland = i.g. Scale = 5 mm.
FIGURE 8 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 8. Dorsal (A), lateral (B), and ventral views (C) of the skull of Hydrodynastes bicinctus (MNRJ 4767). Premaxilla = PM; septomaxilla = SM; nasals = N; frontals = F; parietals = P; supratemporal = ST; exoccipital = EXO; supraoccipital = S; maxilla = MX; prefrontal = PF; postorbital = PO; prootic = PR; quadrate = Q; vomer = V; palatine = PAL; ectopterygoid = ECT; parabasisphenoid = PBS; pterygoid = PT; basioccipital = BO. Scale = 5 mm.
FIGURE 10 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 10. Lateral view of posterior region of the skull (MNRJ 4769 - A), detail of dorsal view of ectopterygoid (MNRJ 4767 – B), dorsal (C) and ventral (D) views of pterygoid and ectopterygoid (MNRJ 4769), medial (E), and lateral (F) views of quadrate (MNRJ 4769), and medial (G) and lateral (H) views of mandible of Hydrodynastes bicinctus (MNRJ 4767). Supratemporal = ST; prootic = PR; anterior foramen of prootic = f.a. PR; posterior foramen of prootic = f.p. PR; fenestra ovalis = fe.o.; Maxilla = MX; ectopterygoid = ECT; pterygoid = PT; quadrate = Q; compound bone = CB; articular = A; splenial = SP; dentary = D. Scale = 2.5 mm.
FIGURE 5 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 5. Dorsal color pattern of a juvenile of Hydrodynastes bicinctus (MZUSP 16976). Scale = 10 mm.
FIGURE 4 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 4. Dorsal (A), ventral (B), and lateral (C) views of body and dorsal (D), ventral (E), and lateral (F) views of head of the neotype of Hydrodynastes bicinctus (MPEG 24628) from municipality of Novo Progresso, state of Pará, Brazil. Scale = 10 mm.
FIGURE 6 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 6. Asulcate (A) and sulcate (B) views of the entirely expanded and completely filled hemipenis of Hydrodynastes bicinctus (MNRJ 4770). Scale = 5 mm.
FIGURE 3 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 3. Color in life of Hydrodynastes bicinctus: juvenile (A) from Juruena National Park, state of Mato Grosso, and adult (B) from municipality of Peixes, state of Tocantins, both in Brazil. Photos by P.S. Bernarde (A) and P.H. Bernardo (B).
FIGURE 2 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 2. Geographic distribution of Hydrodynastes bicinctus. Squares represent data from the literature and circles material examined.
FIGURE 1 in Taxonomic status and morphological variation of Hydrodynastes bicinctus (Hermann, 1804) (Serpentes: Dipsadidae)
FIGURE 1. Color pattern variables observed in Hydrodynastes bicinctus. Lateral view of head, showing shape of the postocular stripe—continuous "C" shaped directed to gular region (A), and as small black postocular dot not connected to "C" shaped stripe directed to gular region (B). Lateral view of the body, showing degree of definition of lateral blotches positioned between dorsal blotches on the paraventral region—conspicuous (C), and inconspicuous (D). Ventral view of body showing color pattern—checkered pattern (E) or with a set of dots reaching the lateral portion of the body (F).
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